List of Intel Xeon processors

The Xeon microprocessor from Intel is a CPU brand targeted at the server and workstation markets. It competes with AMD's Opteron.

P6 based Xeons

Pentium II Xeon

"Drake" (250 nm)

All models support: MMX

Model	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date
Pentium II Xeon 400	400 MHz	512 KB	100 MT/s	4×	2.0 V	30.8 W	Slot 2	June 1998
Pentium II Xeon 400	400 MHz	1 MB	100 MT/s	4×	2.0 V	38.1 W	Slot 2	June 1998
Pentium II Xeon 450	450 MHz	512 KB	100 MT/s	4.5×	2.0 V	34.5 W	Slot 2	October 1998
Pentium II Xeon 450	450 MHz	1 MB	100 MT/s	4.5×	2.0 V	42.8 W	Slot 2	January 1999
Pentium II Xeon 450	450 MHz	2 MB	100 MT/s	4.5×	2.0 V	46.7 W	Slot 2	January 1999

Pentium III Xeon

"Tanner" (250 nm)

Based on P6 microarchitecture
All models support: MMX, SSE
All models support quad-processor configurations
Die size: 123 mm²
Steppings: B0, C0

Model	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)
Pentium III Xeon 500	500 MHz	512 KB	100 MT/s	5×	2.0 V	36 W	Slot 2	March 17, 1999	$931
Pentium III Xeon 500	500 MHz	1 MB	100 MT/s	5×	2.0 V	44 W	Slot 2	March 17, 1999	$1980
Pentium III Xeon 500	500 MHz	2 MB	100 MT/s	5×	2.0 V	36.2 W	Slot 2	March 17, 1999	$3692
Pentium III Xeon 550	550 MHz	512 KB	100 MT/s	5.5×	2.0 V	34 W	Slot 2	April 7, 1999	$1059
Pentium III Xeon 550	550 MHz	1 MB	100 MT/s	5.5×	2.0 V	34 W	Slot 2	August 23, 1999	$1980
Pentium III Xeon 550	550 MHz	2 MB	100 MT/s	5.5×	2.0 V	34 W	Slot 2	August 23, 1999	$3692

"Cascades" (180 nm)

All models support: MMX, SSE
Only Xeon 700 and 900 are capable of quadprocessor configurations

Model	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date
Pentium III Xeon 600	600 MHz	256 KB	100 MT/s	6×	5–12 V	19.2 W	Slot 2
Pentium III Xeon 600	600 MHz	256 KB	133 MT/s	4.5×	5–12 V	19.2 W	Slot 2	October 1999
Pentium III Xeon 667	667 MHz	256 KB	133 MT/s	5×	5–12 V	21.3 W	Slot 2	October 25, 1999
Pentium III Xeon 700	700 MHz	1 MB	100 MT/s	7×	5–12 V	29.6 W	Slot 2	May 22, 2000
Pentium III Xeon 700	700 MHz	2 MB	100 MT/s	7×	5–12 V	29.6 W	Slot 2	May 22, 2000
Pentium III Xeon 733	733 MHz	256 KB	133 MT/s	5.5×	5–12 V	23.3 W	Slot 2	October 25, 1999
Pentium III Xeon 800	800 MHz	256 KB	133 MT/s	6×	5–12 V	25.4 W	Slot 2	January 12, 2000
Pentium III Xeon 866	867 MHz	256 KB	133 MT/s	6.5×	5–12 V	29.6 W	Slot 2	March 13, 2000
Pentium III Xeon 900	900 MHz	2 MB	100 MT/s	9×	5–12 V	39.3 W	Slot 2	March 21, 2001
Pentium III Xeon 933	933 MHz	256 KB	133 MT/s	7×	5–12 V	29.6 W	Slot 2	July 2000
Pentium III Xeon 1.00	1000 MHz	256 KB	133 MT/s	7.5×	5–12 V	30.8 W	Slot 2	August 22, 2000

NetBurst based Xeons

Xeon (UP/DP)

"Foster" (180 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2

Model Number	sSpec Number	Frequency	L2-Cache	Front Side Bus	Multiplier	Voltage	TDP	Socket	Release Date	Part Number(s)
Xeon 1.4	SL4WX (C1) SL56G (C1)	1400 MHz	256 KiB	400 MT/s	14x	1.75 V	56 W	Socket 603	May 21, 2001	RN80528KC017G0K
Xeon 1.5	SL4ZT (C1) SL5U6 (D0) SL4WY (C1) SL5TD (D0)	1500 MHz	256 KiB	400 MT/s	15x	1.75 V	59.2 W	Socket 603	May 21, 2001	RN80528KC021G0K
Xeon 1.7	SL56N (C1) SL5U7 (D0) SL56H (C1) SL5TE (D0)	1700 MHz	256 KiB	400 MT/s	17x	1.75 V	65.8 W	Socket 603	May 21, 2001	RN80528KC029G0K
Xeon 2.0	SL5U8 (D0) SL5TH (D0)	2000 MHz	256 KiB	400 MT/s	20x	1.75 V	77.5 W	Socket 603	September 2001	RN80528KC041G0K

"Prestonia" (130 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, Hyper-Threading

Model Number	sSpec Number	Frequency	L2-Cache	Front Side Bus	Multiplier	Voltage	TDP	Socket	Release Date	Part Number(s)
Single Core
Xeon 1.8	SL5Z8 (B0) SL622 (B0) SL6EL (C1) SL6JX (C1) SL6W3 (D1) SL6YS (D1)	1800 MHz	512 KiB	400 MT/s	18x	1.5 V	55 W	Socket 603	February 25, 2002	RN80532KC033512 BX80532KC1800D
Xeon 2.0A	SL5Z9 (B0) SL623 (B0) SL6EM (C1) SL6JY (C1) SL6W6 (D1) SL6YT (D1)	2000 MHz	512 KiB	400 MT/s	20x	1.5 V	58 W	Socket 603	February 25, 2002	RN80532KC041512 BX80532KC2000D
Xeon 2.0B	SL6NP (C1) SL6RQ (C1) SL6VK (D1) SL6YM (D1) SL72C (M0) SL73K (M0)	2000 MHz	512 KiB	533 MT/s	15x	1.5 V	58 W	Socket 604	November 18, 2002	RK80532KE041512
Xeon 2.2	SL5ZA (B0) SL624 (B0) SL6EN (C1) SL6JZ (C1) SL6W7 (D1) SL6YU (D1)	2200 MHz	512 KiB	400 MT/s	22x	1.5 V	61 W	Socket 603	February 25, 2002	RN80532KC049512 BX80532KC2200D
Xeon 2.4	SL65T (B0) SL687 (B0) SL6EP (C1) SL6K2 (C1) SL6W8 (D1) SL6YV (D1)	2400 MHz	512 KiB	400 MT/s	24x	1.5 V	65 W	Socket 603	April 23, 2002	RN80532KC056512 BX80532KC2400D
Xeon 2.4B	SL6GD (C1) SL6NQ (C1) SL6VL (D1) SL6YN (D1) SL72D (M0) SL73L (M0)	2400 MHz	512 KiB	533 MT/s	18x	1.5 V	65 W	Socket 604	November 18, 2002	RK80532KE056512
Xeon 2.6	SL6EQ (C1) SL6K3 (C1) SL6W9 (D1) SL6YW (D1)	2600 MHz	512 KiB	400 MT/s	26x	1.5 V	60 W	Socket 603	September 11, 2002	RN80532KC064512 BX80532KC2600D
Xeon 2.66	SL6GF (C1) SL6NR (C1) SL6VM (D1) SL6YP (D1) SL72E (M0) SL73M (M0)	2667 MHz	512 KiB	533 MT/s	20x	1.5 V	72/77 W	Socket 604	November 18, 2002	RK80532KE067512
Xeon 2.8	SL6M7 (C1) SL6MS (C1) SL6WA (D1) SL6YX (D1)	2800 MHz	512 KiB	400 MT/s	28x	1.5 V	74 W	Socket 603	September 11, 2002	RN80532KC072512 BX80532KC2800D
Xeon 2.8B	SL6GG (C1) SL6NS (C1) SL6VN (D1) SL6YQ (D1) SL72F (M0) SL73N (M0)	2800 MHz	512 KiB	533 MT/s	21x	1.5 V	74 W	Socket 604	November 18, 2002	RK80532KE072512
Xeon 3.0	SL6VW (C1) SL6X4 (C1) SL6WB (D1) SL6YY (D1)	3000 MHz	512 KiB	400 MT/s	30x	1.525 V	85 W	Socket 603	March 10, 2003	RN80532KC080512
Xeon 3.06	SL6GH (C1) SL6RR (C1) SL6VP (D1) SL6YR (D1)	3066 MHz	512 KiB	533 MT/s	23x	1.525 V	85 W	Socket 604	March 10, 2003	RK80532KE083512
Single Core, low voltage
Xeon LV 1.6	SL6XK (D1)	1600 MHz	512 KiB	400 MT/s	16x	1.187-1.274 V	30 W	Socket 604	September 2003	RK80532EC025512
Xeon LV 2.0	SL6XL (D1)	2000 MHz	512 KiB	400 MT/s	20x	1.179-1.27 V	35 W	Socket 604	September 2003	RK80532EC041512
Xeon LV 2.4	SL74T (D1)	2400 MHz	512 KiB	533 MT/s	18x	1.17-1.265 V	40 W	Socket 604	September 2003	RK80532EE056512

"Gallatin" (130 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, Hyper-Threading

Model Number	sSpec Number	Frequency	L2-Cache	L3-Cache	Front Side Bus	Multiplier	Voltage	TDP	Socket	Release Date	Part Number(s)
Xeon 2.4B	SL7D4 (M0) SL7DF (M0)	2400 MHz	512 KiB	1024 KiB	533 MT/s	18x	1.525 V	77 W	Socket 604	March 2003	RK80532KE0561M
Xeon 2.8B	SL7D5 (M0) SL7DG (M0)	2800 MHz	512 KiB	1024 KiB	533 MT/s	21x	1.525 V	77 W	Socket 604	February 2004	RK80532KE0721M
Xeon 3.06	SL72G (M0) SL73P (M0)	3066 MHz	512 KiB	1024 KiB	533 MT/s	23x	1.525 V	87 W	Socket 604	July 14, 2003	RK80532KE0831M
Xeon 3.2	SL72Y (M0) SL73Q (M0)	3200 MHz	512 KiB	1024 KiB	533 MT/s	24x	1.525 V	92 W	Socket 604	October 6, 2003	RK80532KE0881M
Xeon 3.2	SL7AE (M0) SL7BW (M0)	3200 MHz	512 KiB	2048 KiB	533 MT/s	24x	1.525 V	92 W	Socket 604	February 2004^[1]	RK80532KE0882M

"Nocona" (90 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64
Steppings: D0, E0

Model Number	sSpec Number	Frequency	L2-Cache	Front Side Bus	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Single Core
Xeon 2.8	SL7DV (D0) SL7HF (D0) SL7TB (E0) SL84B (E0)	2800 MHz	1024 KiB	800 MT/s	14x	1.287-1.4 V	103 W	Socket 604	June 28, 2004	NE80546KG0721M	OEM
Xeon 2.8D	SL7PD (E0) SL8KN (G1)	2800 MHz	1024 KiB	800 MT/s	14x	1.287-1.4 V	103 W	Socket 604	June 28, 2004	B80546KG0721M	$209
Xeon 3.0	SL7DW (D0) SL7HG (D0) SL7TC (E0)	3000 MHz	1024 KiB	800 MT/s	15x	1.287-1.4 V	103 W	Socket 604	June 28, 2004	RK80546KG0801M	OEM
Xeon 3.0D	SL7PE (E0) SL8KP (G1)	3000 MHz	1024 KiB	800 MT/s	15x	1.287-1.4 V	103 W	Socket 604	June 28, 2004	NE80546KG0801M	$316
Xeon 3.2	SL7DX (D0) SL7HH (D0) SL7PF (E0) SL7TD (E0) SL8KQ (G1)	3200 MHz	1024 KiB	800 MT/s	16x	1.287-1.4 V	103 W	Socket 604	June 28, 2004	RK80546KG0881M	$455
Xeon 3.4	SL7DY (D0) SL7HJ (D0) SL7PG (E0) SL7TE (E0) SL8KR (G1)	3400 MHz	1024 KiB	800 MT/s	17x	1.287-1.4 V	103 W	Socket 604	June 28, 2004	RK80546KG0961M	$690
Xeon 3.6	SL7DZ (D0) SL7HK (D0) SL7PH (E0) SL7VF (E0) SL8KS (G1)	3600 MHz	1024 KiB	800 MT/s	18x	1.287-1.4 V	103 W	Socket 604	June 28, 2004	RK80546KG1041M	$851
Single Core, low voltage
Xeon LV 2.8	SL8RW (G0)	2800 MHz	1024 KiB	800 MT/s	14x	1.1125-1.2 V	55 W	Socket 604	October 2004	RK80546KG0721M	$260

"Irwindale" (90 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, SSE3, EIST, XD bit (an NX bit implementation)
E processors support Intel 64, but do not support Hyper-Threading.
Steppings: N0, R0

Model Number	sSpec Number	Frequency	L2-Cache	Front Side Bus	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Single Core
Xeon 2.8	SL7ZG (N0) SL8ZR (N0)	2800 MHz	2048 KiB	800 MT/s	14x	1.25-1.388 V	110 W	Socket 604	September 26, 2005	RK80546KG0722MM
Xeon 2.8E	SL8P7 (R0)	2800 MHz	2048 KiB	800 MT/s	14x	1.25-1.388 V	110 W	Socket 604	September 26, 2005	NE80546KG0722MM	$209
Xeon 3.0^[2]	SL8ZQ (N0)	3000 MHz	2048 KiB	800 MT/s	15x	1.25-1.388 V	110 W	Socket 604	February 14, 2005	RK80546KG0802MM
Xeon 3.0E	SL7ZF (N0) SL8P6 (R0)	3000 MHz	2048 KiB	800 MT/s	15x	1.2875-1.3875 V	110 W	Socket 604	February 14, 2005	NE80546JG0802MM	$316
Xeon 3.2	SL7ZE (N0) SL8ZP (N0)	3200 MHz	2048 KiB	800 MT/s	16x	1.25-1.388 V	110 W	Socket 604	February 14, 2005	RK80546KG0882MM
Xeon 3.2E	SL943 (N0) SL8P5 (R0)	3200 MHz	2048 KiB	800 MT/s	16x	1.2875-1.3875 V	110 W	Socket 604	February 14, 2005	NE80546KG0882MM	$455
Xeon 3.4	SL7ZK (N0) SL7ZD (N0)	3400 MHz	2048 KiB	800 MT/s	17x	1.25-1.3875 V	110 W	Socket 604	February 14, 2005	RK80546KG0962MM
Xeon 3.4E	SL8P4 (R0)	3400 MHz	2048 KiB	800 MT/s	17x	1.2875-1.3875 V	110 W	Socket 604	February 14, 2005	NE80546KG0962MM	$690
Xeon 3.6	SL7ZC (N0) SL7ZJ (N0)	3600 MHz	2048 KiB	800 MT/s	18x	1.25-1.3875 V	110 W	Socket 604	February 14, 2005	RK80546KG1042MM
Xeon 3.6E	SL8P3 (R0)	3600 MHz	2048 KiB	800 MT/s	18x	1.2875-1.3875 V	110 W	Socket 604	February 14, 2005	NE80546KG1042MM	$851
Xeon 3.8	SL8ZJ (N0) SL7ZB (N0)	3800 MHz	2048 KiB	800 MT/s	19x	1.2875-1.3875 V	110 W	Socket 604	September 26, 2005	RK80546KG1122MM
Xeon 3.8E	SL93Z (N0) SL8ZM (N0) SL8ZN (N0) SL8ZK (N0) SL8P2 (R0)	3800 MHz	2048 KiB	800 MT/s	19x	1.2875-1.3875 V	110 W	Socket 604	September 26, 2005	NE80546KG0722M	$851
Single Core, medium voltage
Xeon MV 3.2	SL8T3 (R0)	3200 MHz	2048 KiB	800 MT/s	16x	1.2125-1.3875 V	90 W	Socket 604	September 26, 2005	NE80546QG0882MM	$487
Single Core, low voltage
Xeon LV 3.0^[3]	SL8SV (R0)	3000 MHz	2048 KiB	800 MT/s	15x	1.05-1.20 V	55 W	Socket 604	September 26, 2005	NE80546JG0802MM	$519

Xeon (UP/DP), Dual Core

"Paxville DP" (90 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64, XD bit (an NX bit implementation)
Steppings: A0

Model Number	sSpec Number	Frequency	L2 Cache	FSB	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Xeon 2.8	SL8MA (A0)	2800 MHz	2 × 2048 KiB	800 MT/s	14x	1.2875-1.4125 V	135 W	Socket 604	October 10, 2005	NE80551KG0724MM	$1043

"Dempsey" (65 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support dual-processor configurations
Die size: 2 × 81 mm²
Demand Based Switching (Intel's Server EIST): Supported by: All except 5060, 5063.
Steppings: C1

Model Number	sSpec Number	Frequency	L2 Cache	FSB	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Dual Core
Xeon 5020	SL96F (C1)	2500 MHz	2 × 2048 KiB	667 MT/s	15x	1.075 - 1.35 V	95 W	LGA 771	2006	HH80555KF0604M
Xeon 5030	SL96E (C1)	2667 MHz	2 × 2048 KiB	667 MT/s	16x	1.075 - 1.35 V	95 W	LGA 771	May 23, 2006	HH80555KF0674M	$156
Xeon 5040	SL96D (C1)	2833 MHz	2 × 2048 KiB	667 MT/s	17x	1.075 - 1.35 V	95 W	LGA 771	2006	HH80555KF0734M
Xeon 5050	SL96C (C1)	3000 MHz	2 × 2048 KiB	667 MT/s	18x	1.075 - 1.35 V	95 W	LGA 771	May 23, 2006	HH80555KF0804M	$177
Xeon 5060	SL96A (C1)	3200 MHz	2 × 2048 KiB	1066 MT/s	12x	1.075 - 1.35 V	130 W	LGA 771	May 23, 2006	HH80555KH0884M	$316
Xeon 5070	SL969 (C1)	3467 MHz	2 × 2048 KiB	1066 MT/s	13x	1.075 - 1.35 V	130 W	LGA 771	2006	HH80555KH0994M
Xeon 5080	SL968 (C1)	3733 MHz	2 × 2048 KiB	1066 MT/s	14x	1.075 - 1.35 V	130 W	LGA 771	May 23, 2006	HH80555KH1094M	$851
Dual Core, medium voltage
Xeon MV 5063	SL96B (C1)	3200 MHz	2 × 2048 KiB	1066 MT/s	12x	1.075 - 1.35 V	95 W	LGA 771	May 23, 2006	HH80555QH0884M	$369

Xeon MP

"Foster MP" (180 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, Hyper-Threading

Model Number	sSpec Number	Frequency	L2-Cache	L3-Cache	Front Side Bus	Multiplier	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Xeon MP 1.4	SL5FZ (C0) SL5RV (C0)	1400 MHz	256 KiB	512 KiB	400 MT/s	14x	1.75 V	64 W	Socket 603	March 12, 2002	YF80528KC017512	$1177
Xeon MP 1.5	SL5G2 (C0) SL5RW (C0)	1500 MHz	256 KiB	512 KiB	400 MT/s	15x	1.75 V	68 W	Socket 603	March 12, 2002	YF80528KC021512	$1980
Xeon MP 1.6	SL5G8 (C0) SL5S4 (C0)	1600 MHz	256 KiB	1024 KiB	400 MT/s	16x	1.75 V	72 W	Socket 603	March 12, 2002	YF80528KC0251M	$3692

"Gallatin" (130 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, Hyper-Threading

Model Number	sSpec Number	Frequency	L2-Cache	L3-Cache	Front Side Bus	Multiplier	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Xeon MP 1.5	SL6GZ (A0) SL6KB (A0)	1500 MHz	512 KiB	1024 KiB	400 MT/s	15x	1.475 V	48 W	Socket 603	November 4, 2002	RN80532KC0211M	$1177
Xeon MP 1.9	SL6H2 (A0) SL6KC (A0)	1900 MHz	512 KiB	1024 KiB	400 MT/s	19x	1.475 V	55 W	Socket 603	November 4, 2002	RN80532KC0371M	$1980
Xeon MP 2.0	SL6YJ (B0) SL6Z6 (B0)	2000 MHz	512 KiB	1024 KiB	400 MT/s	20x	1.475 V	57 W	Socket 603	June 30, 2003	RN80532KC0411M
Xeon MP 2.0	SL66Z (A0) SL6KD (A0)	2000 MHz	512 KiB	2048 KiB	400 MT/s	20x	1.475 V	57 W	Socket 603	November 4, 2002	RN80532KC0412M	$3692
Xeon MP 2.2	SL7A5 (B0)	2200 MHz	512 KiB	2048 KiB	400 MT/s	22x	1.475 V	65 W	Socket 603	March 2, 2004	RN80532KC0492M	$1177
Xeon MP 2.5	SL6Z2 (B0) SL6Z7 (B0)	2500 MHz	512 KiB	1024 KiB	400 MT/s	25x	1.475 V	66 W	Socket 603	June 30, 2003	RN80532KC0601M
Xeon MP 2.7	SL79Z (B0)	2700 MHz	512 KiB	2048 KiB	400 MT/s	27x	1.475 V	80 W	Socket 603	March 2, 2004	RN80532KC0682M	$1980
Xeon MP 2.8	SL6YL (B0) SL6Z8 (B0)	2800 MHz	512 KiB	2048 KiB	400 MT/s	28x	1.475 V	72 W	Socket 603	June 30, 2003	RN80532KC0722M
Xeon MP 3.0	SL79V (B0)	3000 MHz	512 KiB	4096 KiB	400 MT/s	30x	1.5 V	85 W	Socket 603	March 2, 2004	RN80532KC0804M	$3692

"Cranford" (90 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64, XD bit (an NX bit implementation)
Steppings: A0, B0

Model Number	sSpec Number	Frequency	L2-Cache	Front Side Bus	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Xeon MP 3.16	SL84U (A0) SL8UM (B0)	3166 MHz	1024 KiB	667 MT/s	19x	1.2875V-1.4V	110 W	Socket 604	March 29, 2005	RK80546KF0871M	$722
Xeon MP 3.66	SL84W (A0) SL8UN (B0)	3667 MHz	1024 KiB	667 MT/s	22x	1.2875V-1.4V	110 W	Socket 604	March 29, 2005	RK80546KF1071M	$963

"Potomac" (90 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64, XD bit (an NX bit implementation)
Steppings: C0

Model Number	sSpec Number	Frequency	L2-Cache	L3-Cache	Front Side Bus	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Xeon MP 2.83	SL8ED (C0)	2833 MHz	1024 KiB	4096 KiB	667 MT/s	17x	1.25-1.4 V	129 W	Socket 604	March 29, 2005	RK80546KF0734M	$1177
Xeon MP 3.0	SL8EW (C0)	3000 MHz	1024 KiB	8192 KiB	667 MT/s	18x	1.25-1.4 V	129 W	Socket 604	March 29, 2005	RK80546KF0808M	$1980
Xeon MP 3.33	SL8EY (C0)	3333 MHz	1024 KiB	8192 KiB	667 MT/s	20x	1.25-1.4 V	129 W	Socket 604	March 29, 2005	RK80546KF0938M	$3692

Xeon MP, Dual Core

"Paxville MP" (90 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64, XD bit (an NX bit implementation), Intel VT-x
Demand Based Switching (Intel's Server EIST): All except 7030.
Steppings: A0

Model Number	sSpec Number	Frequency	L2-Cache	Front Side Bus	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Xeon 7020	SL8UA (A0)	2667 MHz	2 × 1024 KiB	667 MT/s	16x	1.2625-1.4125 V	165 W	Socket 604	December 2005	NE80560KF0672MH	$1177
Xeon 7030	SL8UB (A0)	2800 MHz	2 × 1024 KiB	800 MT/s	14x	1.2625-1.4125 V	165 W	Socket 604	December 2005	NE80560KG0722MH	$1980
Xeon 7040	SL8UC (A0)	3000 MHz	2 × 2048 KiB	667 MT/s	18x	1.2625-1.4125 V	165 W	Socket 604	December 2005	NE80560KF0804MH	$3157
Xeon 7041	SL8UD (A0)	3000 MHz	2 × 2048 KiB	800 MT/s	15x	1.2625-1.4125 V	165 W	Socket 604	December 2005	NE80560KG0804MH	$3157

"Tulsa" (65 nm)

Based on NetBurst microarchitecture
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support quad-processor and octo-processor configurations
Demand Based Switching (Intel's Server EIST): Supported by: All except 7110M/N & 7120M/N.
Die size: 435 mm²
Steppings: B0

Model Number	sSpec Number	Frequency	L2-Cache	L3-Cache	Front Side Bus	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Xeon 7110N	SL9QA (B0)	2500 MHz	2 × 1024 KiB	4096 KiB	667 MT/s	15x	1.1-1.35 V	95 W	Socket 604	August 27, 2006	LF80550KF0604M	$856
Xeon 7110M	SL9Q9 (B0)	2600 MHz	2 × 1024 KiB	4096 KiB	800 MT/s	13x	1.1-1.35 V	95 W	Socket 604	August 27, 2006	LF80550KG0644M	$856
Xeon 7120N	SL9HF (B0)	3000 MHz	2 × 1024 KiB	4096 KiB	667 MT/s	18x	1.1-1.35 V	95 W	Socket 604	August 27, 2006	LF80550KF0804M	$1177
Xeon 7120M	SL9HC (B0)	3000 MHz	2 × 1024 KiB	4096 KiB	800 MT/s	15x	1.1-1.35 V	95 W	Socket 604	August 27, 2006	LF80550KG0804M	$1177
Xeon 7130N	SL9HE (B0)	3166 MHz	2 × 1024 KiB	8192 KiB	667 MT/s	19x	1.1-1.35 V	150 W	Socket 604	August 27, 2006	LF80550KF0878M	$1391
Xeon 7130M	SL9HB (B0)	3200 MHz	2 × 1024 KiB	8192 KiB	800 MT/s	16x	1.1-1.35 V	150 W	Socket 604	August 27, 2006	LF80550KG0888M	$1391
Xeon 7140N	SL9HD (B0)	3333 MHz	2 × 1024 KiB	16384 KiB	667 MT/s	20x	1.1-1.35 V	150 W	Socket 604	August 27, 2006	LF80550KF093007	$1980
Xeon 7140M	SL9HA (B0)	3400 MHz	2 × 1024 KiB	16384 KiB	800 MT/s	17x	1.1-1.35 V	150 W	Socket 604	August 27, 2006	LF80550KG096007	$1980
Xeon 7150N	SL9YR (B0)	3500 MHz	2 × 1024 KiB	16384 KiB	667 MT/s	21x	1.1-1.35 V	150 W	Socket 604	Q1 2007	LF80550KF100007	$2622

Pentium M (Yonah) based Xeons

Xeon DP, Dual Core

"Sossaman" (65 nm)

Based on Enhanced Pentium M microarchitecture
All models support: MMX, SSE, SSE2, SSE3, Demand Based Switching (Intel's Server EIST) , XD bit (an NX bit implementation), Intel VT-x
All models support dual-processor configurations
Die size: 90.3 mm²
Steppings: C0, D0

Model	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)

Xeon LV 1.66	1.67 GHz	2 MB	667 MT/s	10×	1.1125–1.275 V	31 W	Socket M	March 14, 2006	$209
Xeon LV 2.0	2 GHz	2 MB	667 MT/s	12×	1.1125–1.275 V	31 W	Socket M	March 14, 2006	$423
Xeon LV 2.16	2.17 GHz	2 MB	667 MT/s	13×	1.1125–1.275 V	31 W	Socket M	Q3 2006

Xeon ULV 1.66	1.67 GHz	2 MB	667 MT/s	10×	0.8250–1.2125 V	15 W	Socket M	March 14, 2006

Core based Xeons

Xeon (UP/DP), Dual Core

"Allendale" (65 nm)

Based on Core microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support uni-processor configurations
Die size: 111 mm²
Steppings: L2

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon 3040	SL9VT (L2) SLAC2 (L2)	2	1.87 GHz	2 MB	1066 MT/s	7×	0.85–1.5 V	65 W	LGA 775	January 21, 2007	HH80557KH0362M	$183
Xeon 3050	SL9VS (L2) SLABZ (L2)	2	2.13 GHz	2 MB	1066 MT/s	8×	0.85–1.5 V	65 W	LGA 775	January 21, 2007	HH80557KH0462M	$224

"Conroe" (65 nm)

Based on Core microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support uni-processor configurations
Die size: 143 mm²
Steppings: B2, G0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon 3040	SL9TW (B2)	2	1.87 GHz	4 MB	1066 MT/s	7×	0.85–1.5 V	65 W	LGA 775	September 26, 2006	HH80557KH0362M	$183
Xeon 3050	SL9TY (B2)	2	2.13 GHz	4 MB	1066 MT/s	8×	0.85–1.5 V	65 W	LGA 775	September 26, 2006	HH80557KH0462M	$224
Xeon 3060	SL9TZ (B2) SL9ZH (B2) SLACD (B2)	2	2.4 GHz	4 MB	1066 MT/s	9×	0.85–1.5 V	65 W	LGA 775	September 26, 2006	HH80557KH0564M	$316
Xeon 3065	SLAA9 (G0)	2	2.33 GHz	4 MB	1333 MT/s	7×	0.85–1.5 V	65 W	LGA 775	October 7, 2007	HH80557KJ0534MG	$163
Xeon 3070	SL9U2 (B2) SL9ZC (B2) SLACC (B2)	2	2.67 GHz	4 MB	1066 MT/s	10×	0.85–1.5 V	65 W	LGA 775	September 26, 2006	HH80557KH0674M	$530
Xeon 3075^[4]	SLAA3 (G0)	2	2.67 GHz	4 MB	1333 MT/s	8×	0.85–1.5 V	65 W	LGA 775	October 7, 2007	HH80557KJ0674MG	$183
Xeon 3085^[5]	SLAA2 (G0)	2	3 GHz	4 MB	1333 MT/s	9×	0.85–1.5 V	65 W	LGA 775	October 7, 2007	HH80557KJ0804MG	$266

"Woodcrest" (65 nm)

Based on Core microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, Intel 64, EIST, XD bit (an NX bit implementation), Intel VT-x
All models support dual-processor configurations
Die size: 143 mm²
Steppings: B2, G0
For processors with G0 stepping V_min = 0.85 V

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon 5110	SL9RZ (B2) SLABR (B2) SLAGE (G0)	2	1.6 GHz	4 MB	1066 MT/s	6×	1.0–1.5 V	65 W	LGA 771	June 26, 2006	HH80556KH0254M	$209
Xeon 5120	SL9RY (B2) SLABQ (B2) SLAGD (G0)	2	1.87 GHz	4 MB	1066 MT/s	7×	1.0–1.5 V	65 W	LGA 771	June 26, 2006	HH80556KH0364M	$256
Xeon 5130	SL9RX (B2) SLABP (B2) SLAGC (G0)	2	2 GHz	4 MB	1333 MT/s	6×	1.0–1.5 V	65 W	LGA 771	June 26, 2006	HH80556KJ0414M	$316
Xeon 5140	SL9RW (B2) SLABN (B2) SLAGB (G0)	2	2.33 GHz	4 MB	1333 MT/s	7×	1.0–1.5 V	65 W	LGA 771	June 26, 2006	HH80556KJ0534M	$455
Xeon 5150	SL9RU (B2) SLABM (B2) SLAGA (G0)	2	2.67 GHz	4 MB	1333 MT/s	8×	1.0–1.5 V	65 W	LGA 771	June 26, 2006	HH80556KJ0674M	$690
Xeon 5160	SL9RT (B2) SLABS (B2) SLAG9 (G0)	2	3 GHz	4 MB	1333 MT/s	9×	1.0–1.5 V	80 W	LGA 771	June 26, 2006	HH80556KJ0804M	$851
Dual Core, low voltage
Xeon LV 5113	SLAG7 (G0)	2	1.6 GHz	4 MB	800 MT/s	8×	1.0–1.5 V	40 W	LGA 771	December 4, 2006	HH80556JG0254M
Xeon LV 5128	SL9XA (B2) SLAG6 (G0)	2	1.87 GHz	4 MB	1066 MT/s	7×	1.0–1.5 V	40 W	LGA 771	December 4, 2006	HH80556JH0364M	$412
Xeon LV 5133	SLABJ (B2) SLAG5 (G0)	2	2.2 GHz	4 MB	800 MT/s	11×	1.0–1.5 V	40 W	LGA 771	June 26, 2006	HH80556JG0494M
Xeon LV 5138	SL9RN (B2) SLAG3 (G0)	2	2.13 GHz	4 MB	1066 MT/s	8×	1.0–1.5 V	35 W	LGA 771	December 4, 2006	HH80556JH0464M	$617
Xeon LV 5148	SL9RR (B2) SLABH (B2) SLAG4 (G0)	2	2.33 GHz	4 MB	1333 MT/s	7×	1.0–1.5 V	40 W	LGA 771	June 26, 2006	HH80556JJ0534M	$519

"Wolfdale-CL" (45 nm)

Based on Penryn microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x
Models support only uni-processor configurations
Die size: 107 mm²
Steppings: C0, E0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)
Single Core, low voltage
Xeon L3014	SLBB2 (E0)	2	2.4 GHz	3 MB	1066 MT/s	9×	0.85–1.3625 V	30 W	LGA 771	February 27, 2008	AT80588JH0563M
Dual Core
Xeon E3113	SLBAX (E0)	2	3 GHz	6 MB	1333 MT/s	9×	0.85–1.3625 V	65 W	LGA 771	September 8, 2008	AT80588QJ0806M

"Wolfdale" (45 nm)

Based on Penryn microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Intel 64, XD bit (an NX bit implementation), Intel VT-x
All model support EIST
All models support only single-processor configurations
Die size: 107 mm²
Steppings: C0, E0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon E3110	SLAPM (C0) SLB9C (E0)	2	3 GHz	6 MB	1333 MT/s	9×	0.85–1.3625 V	65 W	LGA 775	January 8, 2008	EU80570KJ0806M AT80570KJ0806M	$188
Xeon E3120	SLB9D (E0)	2	3.17 GHz	6 MB	1333 MT/s	9.5×	0.85–1.3625 V	65 W	LGA 775	August 10, 2008	AT80570KJ0876M	$188
Dual Core, low voltage
Xeon L3110	SLGP9 (E0)	2	3 GHz	6 MB	1333 MT/s	9×	0.85–1.3625 V	45 W	LGA 775	February 22, 2009	AT80570JJ0806M	$224

"Wolfdale-DP" (45 nm)

Based on Penryn microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Intel 64, XD bit (an NX bit implementation), Intel VT-x
All model support EIST except L5238, L5240.
E5205, L5238, L5240, X5260, X5270, X5272 support Demand Based Switching.
All models support dual-processor configurations
Die size: 107 mm²
Steppings: C0, E0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon E5205	SLANG (C0) SLBAU (E0)	2	1.87 GHz	6 MB	1066 MT/s	7×	0.85–1.35 V	65 W	LGA 771	November 11, 2007	EU80573KH0366M AT80573KH0366M	$177
Xeon E5220	SLANF (C0) SLBAT (E0)	2	2.33 GHz	6 MB	1333 MT/s	7×	0.85–1.35 V	65 W	LGA 771	February 27, 2008	EU80573KJ0536M AT80573QJ0536M
Xeon E5240	SLAND (C0) SLBAW (E0)	2	3 GHz	6 MB	1333 MT/s	9×	0.85–1.35 V	65 W	LGA 771	February 27, 2008	EU80573KJ0806M AT80573QJ0806M
Xeon X5260	SLANJ (C0) SLBAS (E0)	2	3.33 GHz	6 MB	1333 MT/s	10×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80573KJ0936M AT80573KJ0936M	$851
Xeon X5270	SLBAQ (E0)	2	3.5 GHz	6 MB	1333 MT/s	10.5×	0.85–1.35 V	80 W	LGA 771	September 8, 2008	AT80573KJ1006M	$1172
Xeon X5272	SLANH (C0) SLBAR (E0)	2	3.4 GHz	6 MB	1600 MT/s	8.5×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80573KL0966M AT80573KL0966M	$1172
Dual Core, low voltage
Xeon L5215	SLBB3 (E0)	2	1.87 GHz	6 MB	1066 MT/s	7×	0.85–1.35 V	20 W	LGA 771	September 8, 2008	AT80573JH0366M
Xeon L5238	SLANM (C0) SLBAZ (E0)	2	2.67 GHz	6 MB	1333 MT/s	8×	0.85–1.35 V	35 W	LGA 771	February 27, 2008	EU80573JJ0676M AT80573JJ0676MT
Xeon L5240	SLAS3 (C0) SLBAY (E0)	2	3 GHz	6 MB	1333 MT/s	9×	0.85–1.35 V	40 W	LGA 771	February 27, 2008	EU80573JJ0806M AT80573JJ0806M	$669
Xeon L5248	SLBAV (E0)	2	3 GHz	6 MB	1333 MT/s	9×	0.85–1.35 V	55 W	LGA 771	September 8, 2008	AT80573KJ0806MT

Xeon (UP/DP), Quad Core

"Kentsfield" (65 nm)

Based on Core microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support uni-processor configurations
Die size: 2 × 143 mm²
Steppings: B3, G0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Quad Core
Xeon X3210	SL9UQ (B3) SLACU (G0)	4	2.13 GHz	2 × 4 MB	1066 MT/s	8×	0.85–1.5 V	105 W	LGA 775	January 7, 2007	HH80562QH0468M	$690
Xeon X3220	SL9UP (B3) SLACT (G0)	4	2.4 GHz	2 × 4 MB	1066 MT/s	9×	0.85–1.5 V	105 W	LGA 775	January 7, 2007	HH80562QH0568M	$851
Xeon X3230	SLACS (G0)	4	2.67 GHz	2 × 4 MB	1066 MT/s	10×	0.85–1.5 V	95 W	LGA 775	July 27, 2007	HH80562QH0678M	$530

"Yorkfield-6M" (45 nm)

Based on Penryn microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Enhanced Halt State (C1E), Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support uni-processor configurations
Die size: M1: 2 × 107 mm², R0: 2 × 81 mm²
Steppings: M1, R0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Quad Core
Xeon X3320	SLAWF (M1) SLB69 (R0)	4	2.5 GHz	2 × 3 MB	1333 MT/s	7.5×	0.85–1.3625 V	95 W	LGA 775	January 7, 2008	EU80580KJ0606M AT80580KJ0606M	$266
Xeon X3330	SLB6C (R0)	4	2.67 GHz	2 × 3 MB	1333 MT/s	8×	0.85–1.3625 V	95 W	LGA 775	August 10, 2008	AT80580KJ0676M	$266

"Yorkfield" (45 nm)

Based on Penryn microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Enhanced Halt State (C1E), Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support uni-processor configurations
Die size: 2 × 107 mm²
Steppings: C1, E0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Quad Core
Xeon X3350	SLAN7 (C0) SLAX2 (C1) SLB8Y (E0)	4	2.67 GHz	2 × 6 MB	1333 MT/s	8×	0.85–1.3625 V	95 W	LGA 775	January 7, 2008	EU80569KJ067N AT80569KJ067N BX80569X3350	$316
Xeon X3360	SLAN5 (C0) SLAWZ (C1) SLB8X (E0)	4	2.83 GHz	2 × 6 MB	1333 MT/s	8.5×	0.85–1.3625 V	95 W	LGA 775	January 7, 2008	EU80569KJ073N AT80569KJ073N BX80569X3360	$530
Xeon X3370	SLB8Z (E0)	4	3 GHz	2 × 6 MB	1333 MT/s	9×	0.85–1.3625 V	95 W	LGA 775	August 10, 2008	AT80569KJ080N	$530
Xeon X3380	SLGPG (E0)	4	3.17 GHz	2 × 6 MB	1333 MT/s	9.5×	0.85–1.3625 V	95 W	LGA 775	February 22, 2009	AT80569KJ087N	$530
Quad Core, low voltage
Xeon L3360	SLGPF (E0)	4	2.83 GHz	2 × 6 MB	1333 MT/s	8.5×	0.85–1.3625 V	65 W	LGA 775	February 22, 2009	AT80569JJ073N	$369

"Yorkfield-CL" (45 nm)

Based on Penryn microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Enhanced Intel SpeedStep Technology (EIST), Enhanced Halt State (C1E), Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support uni-processor configurations
Die size: 2 × 107 mm²
Steppings: C1, E0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)
Quad Core
Xeon X3323	SLASE (C1) SLBC5 (E0)	4	2.5 GHz	2 × 3 MB	1333 MT/s	7.5×	0.85–1.35 V	80 W	LGA 771	March 2008	EU80584KJ060J AT80584KJ060J
Xeon X3353	SLASD (C1) SLBC4 (E0)	4	2.67 GHz	2 × 6 MB	1333 MT/s	8×	0.85–1.35 V	80 W	LGA 771	March 2008	EU80584KJ067N AT80584KJ067N
Xeon X3363	SLASC (C1) SLBC3 (E0)	4	2.83 GHz	2 × 6 MB	1333 MT/s	8.5×	0.85–1.35 V	80 W	LGA 771	March 2008	EU80584KJ073N AT80584KJ073N

"Clovertown" (65 nm)

Based on Core microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, Intel 64, XD bit (an NX bit implementation), Intel VT-x
EIST support all except E5310, E5335.
Intel Demand Based Switching support E5320, E5345, L5318, X5355, X5365.
All models support dual-processor configurations
Steppings: B3, G0
Die size: 2 × 143 mm²

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Quad Core
Xeon E5310	SL9XR (B3) SLACB (B3) SLAEM (G0)	4	1.6 GHz	2 × 4 MB	1066 MT/s	6×	1.0–1.5 V	80 W	LGA 771	November 14, 2006	HH80563QH0258M	$455
Xeon E5320	SL9MV (B3) SLAC8 (B3) SLAEL (G0)	4	1.87 GHz	2 × 4 MB	1066 MT/s	7×	1.0–1.5 V	80 W	LGA 771	November 14, 2006	HH80563QH0368M	$690
Xeon E5330^[6]	SL9MW	4	2.13 GHz	2 × 4 MB	1066 MT/s	8×	1.0–1.5 V	80 W	LGA 771		HH80563QH0468M
Xeon E5335	SL9YK (B3) SLAC7 (B3) SLAEK (G0)	4	2 GHz	2 × 4 MB	1333 MT/s	6×	1.0–1.5 V	80 W	LGA 771	November 14, 2006	HH80563QJ0418M	$690
Xeon E5340^[7]	SL9MY	4	2.4 GHz	2 × 4 MB	1066 MT/s	9×	1.0–1.5 V	80 W	LGA 771		HH80563KH0568M
Xeon E5345	SL9YL (B3) SLAC5 (B3) SLAEJ (G0)	4	2.33 GHz	2 × 4 MB	1333 MT/s	7×	1.0–1.5 V	80 W	LGA 771	November 14, 2006	HH80563QJ0538M	$851
Xeon E5350, X5350^[8]	SL9N2	4	2.67 GHz	2 × 4 MB	1066 MT/s	10×	1.0–1.5 V	80,120 W	LGA 771		HH80563KH0678M
Xeon X5355	SL9YM (B3) SLAC4 (B3) SLAEG (G0)	4	2.67 GHz	2 × 4 MB	1333 MT/s	8×	1.0–1.5 V	120 W	LGA 771	November 14, 2006	HH80563KJ0678M	$1172
Xeon X5365	SLAC3 (B3) SLAED (G0)	4	3 GHz	2 × 4 MB	1333 MT/s	9×	1.0–1.5 V	150,120 W	LGA 771	March 12, 2007	HH80563KJ0808MP	$1350
Quad Core, low voltage
Xeon L5310	SL9MT (B3) SLACA (B3) SLAEQ (G0)	4	1.6 GHz	2 × 4 MB	1066 MT/s	6×	1.1–1.25 V	50 W	LGA 771	March 12, 2007	HH80563JH0258M	$455
Xeon L5318	SLAJE (G0)	4	1.6 GHz	2 × 4 MB	1066 MT/s	6×	0.9–1.25 V	40 W	LGA 771	August 13, 2007	HH80563JH0258M
Xeon L5320	SLA4Q (B3) SLAC9 (B3) SLAEP (G0)	4	1.87 GHz	2 × 4 MB	1066 MT/s	7×	1.1–1.25 V	50 W	LGA 771	March 12, 2007	HH80563JH0368M	$519
Xeon L5335	SLAEN (G0)	4	2 GHz	2 × 4 MB	1333 MT/s	6×	1.1–1.25 V	50 W	LGA 771	August 13, 2007	HH80563JJ0418MP	$380

E5330, E5340 and E5350 is not listed on [1] but it is mentioned on [2]. In August 2007, E5330 is widely available. In June 2007, E5340 Engineering Samples were available on eBay.

"Harpertown" (45 nm)

Based on Penryn microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Intel 64, XD bit (an NX bit implementation), Intel VT-x, Demand Based Switching except E5405, L5408; EIST except E5405
All models support dual-processor configurations
Die size: 2 × 107 mm²
Steppings: C0, E0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Quad Core
Xeon E5405	SLAP2 (C0) SLBBP (E0)	4	2 GHz	2 × 6 MB	1333 MT/s	6×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80574KJ041N AT80574KJ041N	$209
Xeon E5410	SLANW (C0) SLBBC (E0)	4	2.33 GHz	2 × 6 MB	1333 MT/s	7×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80574KJ053N AT80574KJ053N	$256
Xeon E5420	SLANV (C0) SLBBL (E0)	4	2.5 GHz	2 × 6 MB	1333 MT/s	7.5×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80574KJ060N AT80574KJ060N	$316
Xeon E5430	SLANU (C0) SLBBK (E0)	4	2.67 GHz	2 × 6 MB	1333 MT/s	8×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80574KJ067N AT80574KJ067N	$455
Xeon E5440	SLANS (C0) SLBBJ (E0)	4	2.83 GHz	2 × 6 MB	1333 MT/s	8.5×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80574KJ073N AT80574KJ073N	$690
Xeon E5450	SLANQ (C0) SLBBM (E0)	4	3 GHz	2 × 6 MB	1333 MT/s	9×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80574KJ080N AT80574KJ080N	$915
Xeon X5450	SLASB (C0) SLBBE (E0)	4	3 GHz	2 × 6 MB	1333 MT/s	9×	0.85–1.35 V	120 W	LGA 771	November 11, 2007	EU80574KJ080NT AT80574KJ080NT	$851
Xeon X5460	SLANP (C0)	4	3.17 GHz	2 × 6 MB	1333 MT/s	9.5×	0.85–1.35 V	120 W	LGA 771	November 11, 2007	EU80574KJ087N	$1172
Xeon E5462	SLANT (C0) SLBBN (E0)	4	2.8 GHz	2 × 6 MB	1600 MT/s	7×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80574KL072N AT80574KL072	$797
Xeon X5470	SLBBF (E0)	4	3.33 GHz	2 × 6 MB	1333 MT/s	10×	0.85–1.35 V	120 W	LGA 771	September 8, 2008	AT80574KJ093N	$1386
Xeon E5472	SLANR (C0) SLBBH (E0)	4	3 GHz	2 × 6 MB	1600 MT/s	7.5×	0.85–1.35 V	80 W	LGA 771	November 11, 2007	EU80574KL080N AT80574KL080	$1022
Xeon X5472	SLASA (C0) SLBBB (E0)	4	3 GHz	2 × 6 MB	1600 MT/s	7.5×	0.85–1.35 V	120 W	LGA 771	November 11, 2007	EU80574KL080NT AT80574KL080N	$958
Xeon X5482	SLANZ (C0) SLBBG (E0)	4	3.2 GHz	2 × 6 MB	1600 MT/s	8×	0.85–1.35 V	150 W	LGA 771	November 11, 2007	EU80574KL088 AT80574KL088N	$1279
Xeon X5492	SLBBD (E0)	4	3.4 GHz	2 × 6 MB	1600 MT/s	8.5×	0.85–1.35 V	150 W	LGA 771	September 8, 2008	AT80574KL096N	$1493
Quad Core, low voltage
Xeon L5408	SLAP5 (C0) SLBBT (E0)	4	2.13 GHz	2 × 6 MB	1066 MT/s	8×	0.85–1.35 V	40 W	LGA 771	February 27, 2008	EU80574JH046N AT80574JH046NT
Xeon L5410	SLAP4 (C0) SLBBS (E0)	4	2.33 GHz	2 × 6 MB	1333 MT/s	7×	0.85–1.35 V	50 W	LGA 771	March 25, 2008	EU80574JJ053N AT80574JJ053N	$320
Xeon L5420	SLARP (C0) SLBBR (E0)	4	2.5 GHz	2 × 6 MB	1333 MT/s	7.5×	0.85–1.35 V	50 W	LGA 771	March 25, 2008	EU80574JJ060N AT80574JJ060N	$380
Xeon L5430	SLBBQ (E0)	4	2.67 GHz	2 × 6 MB	1333 MT/s	8×	0.85–1.35 V	50 W	LGA 771	September 8, 2008	AT80574JJ067N	$562

Xeon MP, Multi Core

"Tigerton" (65 nm)

Based on Core microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support quad-processor configurations
Die size: 2 × 143 mm²
Steppings: G0

Model	sSpec number	Cores	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon E7210	SLA6D (G0)	4	2.4 GHz	2 × 4 MB	1066 MT/s	9×	1.2–1.325 V	80 W	Socket 604	September 6, 2007	LF80564QH0568M	$856
Xeon E7220	SLA6C (G0)	4	2.93 GHz	2 × 4 MB	1066 MT/s	11×	1.2–1.325 V	80 W	Socket 604	September 6, 2007	LF80564QH0778M	$1177
Quad Core
Xeon E7310	SLA6A (G0)	4	1.6 GHz	2 × 2 MB	1066 MT/s	6×	1.2–1.35 V	80 W	Socket 604	September 6, 2007	LF80565QH0254M	$856
Xeon E7320	SLA69 (G0)	4	2.13 GHz	2 × 2 MB	1066 MT/s	8×	1.2–1.35 V	80 W	Socket 604	September 6, 2007	LF80565QH0464M	$1177
Xeon E7330	SLA77 (G0)	4	2.4 GHz	2 × 3 MB	1066 MT/s	9×	1.2–1.35 V	80 W	Socket 604	September 6, 2007	LF80565QH0566M	$1391
Xeon E7340	SLA68 (G0)	4	2.4 GHz	2 × 4 MB	1066 MT/s	9×	1.2–1.35 V	80 W	Socket 604	September 6, 2007	LF80565QH0568M	$1980
Xeon X7350	SLA67 (G0)	4	2.93 GHz	2 × 4 MB	1066 MT/s	11×	1.2–1.35 V	130 W	Socket 604	September 6, 2007	LF80565KH0778M	$2301
Quad Core, low voltage
Xeon L7345	SLA6B (G0)	4	1.87 GHz	2 × 4 MB	1066 MT/s	7×	1.10–1.25 V	50 W	Socket 604	September 6, 2007	LF80565JH0368M	$2301

"Dunnington" (45 nm)

Based on Penryn microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Demand Based Switching, Intel 64, XD bit (an NX bit implementation), Intel VT-x
E7440, E7450, X7460 support EIST.
All models support quad-processor configurations
Die size: 503 mm²
Steppings: A1

Model Number	sSpec Number	Frequency	L2 Cache	L3 Cache	FSB	Mult	Voltage	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Quad Core
Xeon E7420	SLG9G (A1)	2133 MHz	2 × 3 MB	8 MB	1066 MT/s	8×	0.9–1.45 V	90 W	Socket 604	September 15, 2008	AD80583QH0468M	$1177
Xeon E7430	SLG9H (A1)	2133 MHz	2 × 3 MB	12 MB	1066 MT/s	8×	0.9–1.45 V	90 W	Socket 604	September 15, 2008	AD80583QH046003	$1391
Xeon E7440	SLG9J (A1)	2400 MHz	2 × 3 MB	16 MB	1066 MT/s	9×	0.9–1.45 V	90 W	Socket 604	September 15, 2008	AD80583QH056007	$1980
Quad Core, low voltage
Xeon L7445	SLG9L (A1)	2133 MHz	2 × 3 MB	12 MB	1066 MT/s	8×	0.9–1.45 V	50 W	Socket 604	September 15, 2008	AD80583JH046003	$1980
Six Core
Xeon E7450	SLG9K (A1)	2400 MHz	3 × 3 MB	12 MB	1066 MT/s	9×	0.9–1.45 V	90 W	Socket 604	September 15, 2008	AD80582QH056003	$2301
Xeon E7458 ^[9]	SLG9N (A1)	2400 MHz	3 × 3 MB	16 MB	1066 MT/s	9×	0.9–1.45 V	90 W	Socket 604	September 15, 2008	AD80582QH056007	$
Xeon X7460	SLG9P (A1)	2667 MHz	3 × 3 MB	16 MB	1066 MT/s	10×	0.9–1.45 V	130 W	Socket 604	September 15, 2008	AD80582KH067007	$2729
Six Core, low voltage
Xeon L7455	SLG9M (A1)	2133 MHz	3 × 3 MB	12 MB	1066 MT/s	8×	0.9–1.45 V	65 W	Socket 604	September 15, 2008	AD80582JH046003	$2729

Nehalem based Xeons

Xeon 3000-series (uniprocessor)

"Clarkdale" (32 nm)

Based on Westmere microarchitecture
All models support: MMX,^{[citation needed]} SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Smart Cache, Intel Turbo Boost
Die size: 81 mm² (CPU Component)
Steppings: C2

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core, low voltage
Xeon L3403^[10]	SLBRX (C2)	2 GHz	2267 MHz	2	2 × 256 KB	4 MB	DMI	15×	2 × DDR3-1066	0.65–1.40 V	30 W	LGA 1156	October 2010	CM80616005496AB
Xeon L3406	SLBQQ (C2)	2.27 GHz	2533 MHz	2	2 × 256 KB	4 MB	DMI	17×	2 × DDR3-1066	0.65–1.40 V	30 W	LGA 1156	March 16, 2010	CM80616005010AA	$189

"Lynnfield" (45 nm)

Based on Nehalem microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Turbo Boost, Smart Cache
All models except X3430 support Hyper-Threading
All models support uni-processor configurations
Die size: 296 mm²
Steppings: B1

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Quad Core
Xeon X3430	SLBLJ (B1)	2.4 GHz	1/1/2/3	4	4 × 256 KB	8 MB	DMI	18×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3430 BV80605001914AG	$189
Xeon X3440	SLBLF (B1)	2.53 GHz	1/1/2/3	4	4 × 256 KB	8 MB	DMI	19×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3440 BV80605002517AQ	$215
Xeon X3450	SLBLD (B1)	2.67 GHz	1/1/4/4	4	4 × 256 KB	8 MB	DMI	20×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3450 BV80605001911AQ	$241
Xeon X3460	SLBJK (B1)	2.8 GHz	1/1/4/5	4	4 × 256 KB	8 MB	DMI	21×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3460 BV80605001908AL	$316
Xeon X3470	SLBLH (B1)	2.93 GHz	2/2/4/5	4	4 × 256 KB	8 MB	DMI	22×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3470 BV80605001905AJ	$589
Xeon X3480	SLBPT (B1)	3.07 GHz	2/2/4/5	4	4 × 256 KB	8 MB	DMI	23×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	May 30, 2010	BX80605X3480 BV80605002505AH	$612
Quad Core, low voltage
Xeon L3426	SLBN3 (B1)	1.87 GHz	2/2/9/10	4	4 × 256 KB	8 MB	DMI	14×	2 × DDR3-1333	0.65–1.40 V	45 W	LGA 1156	September 8, 2009	BX80605L3426 BV80605004737AA	$284

"Bloomfield" (45 nm)

Based on Nehalem microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Demand Based Switching (Intel's Server EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support: Hyper-Threading, Turbo Boost except W3503, W3505
All models support uni-processor configurations
Die size: 263 mm²
Steppings: D0

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon W3503	SLBGD (D0)	2.4 GHz	—	2	2 × 256 KB	4 MB	1 × 4.8 GT/s QPI	18×	3 × DDR3-1066	0.8–1.225 V	130 W	LGA 1366	March 30, 2009	AT80601002868AA
Xeon W3505	SLBGC (D0)	2.53 GHz	—	2	2 × 256 KB	4 MB	1 × 4.8 GT/s QPI	19×	3 × DDR3-1066	0.8–1.225 V	130 W	LGA 1366	March 30, 2009	AT80601002865AA
Quad Core
Xeon W3520	SLBEW (D0)	2.67 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	20×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	March 30, 2009	AT80601000741AB	$284
Xeon W3530	SLBKR (D0)	2.8 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	21×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	March 16, 2010	AT80601000897AB	$294
Xeon W3540	SLBEX (D0)	2.93 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	22×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	March 30, 2009	AT80601000921AB	$562
Xeon W3550	SLBEY (D0)	3.07 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	23×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	August 9, 2009	AT80601002112AB	$562
Xeon W3565	SLBEV (D0)	3.2 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	24×	3 × DDR3-1066	0.8–1.225 V	130 W	LGA 1366	November 1, 2009	AT80601002727AB	$562
Xeon W3570	SLBES (D0)	3.2 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 6.4 GT/s QPI	24×	3 × DDR3-1333	0.8–1.375 V	130 W	LGA 1366	March 30, 2009	AT80601000918AB	$999
Xeon W3580	SLBET (D0)	3.33 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 6.4 GT/s QPI	25×	3 × DDR3-1333	0.8–1.375 V	130 W	LGA 1366	August 9, 2009	AT80601002274AB	$999

"Jasper Forest" (45 nm)

Based on Nehalem microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Demand Based Switching (Intel's Server EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x
LC3528 supports: Hyper-Threading, Turbo Boost
Die size: 263 mm²
Steppings: B0^[11]

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Single Core, low voltage
Xeon LC3518	SLBWH (B0)	1.73 GHz	—	1	1 × 256 KB	2 MB	DMI	13×	2 × DDR3-800	0.75–1.35 V	23 W	LGA 1366	February 12, 2010	AT80612002946AA	$192
Dual Core, low voltage
Xeon LC3528	SLBWG (B0)	1.73 GHz	1866 MHz	2	2 × 256 KB	4 MB	DMI	13×	2 × DDR3-800	0.75–1.35 V	35 W	LGA 1366	February 12, 2010	AT80612002931AB	$302
Quad Core
Xeon EC3539	SLBWJ (B0)	2.13 GHz	—	4	4 × 256 KB	8 MB	DMI	16×	3 × DDR3-1066	0.75–1.35 V	65 W	LGA 1366	February 12, 2010	AT80612003090AA	$302

"Gulftown" (32 nm)

Based on Westmere microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, AES-NI, Smart Cache
All models support: Hyper-Threading, Turbo Boost
Uniprocessor-only systems
Die size: 240 mm²
Steppings: B1

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Six Core
Xeon W3670	SLBVE (B1)	3.2 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	1 × 4.8 GT/s QPI	24×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	August 29, 2010	AT80613005490AC BX80613W3670	$885
Xeon W3680	SLBV2 (B1)	3.33 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	1 × 6.4 GT/s QPI	25×	3 × DDR3-1333	0.8–1.375 V	130 W	LGA 1366	March 16, 2010	AT80613003543AF BX80613W3680	$999
Xeon W3690	SLBW2 (B1)	3.47 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	1 × 6.4 GT/s QPI	26×	3 × DDR3-1333	0.8–1.375 V	130 W	LGA 1366	February 14, 2011	AT80613005931AB BX80613W3690	$999

Xeon 5000-series (dual-processor)

"Gainestown" (45 nm)

Based on Nehalem microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Demand Based Switching (Intel's Server EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x
All models support: Hyper-Threading, Turbo Boost except E5502, E5503, E5504, E5506, L5506, E5507
All models support dual-processor configurations
Die size: 263 mm²
Steppings: D0^[12]^[13]

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon E5502	SLBEZ (D0)	1.87 GHz	—	2	2 × 256 KB	4 MB	2 × 4.8 GT/s QPI	14×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000804AA	$188
Xeon E5503	SLBKD (D0)	2 GHz	—	2	2 × 256 KB	4 MB	2 × 4.8 GT/s QPI	15×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80602003636AA	$224
Dual Core, low voltage
Xeon L5508	SLBGK (D0)	2 GHz	2/3	2	2 × 256 KB	8 MB	2 × 5.86 GT/s QPI	15×	3 × DDR3-1066	0.75–1.35 V	38 W	LGA 1366	March 30, 2009	AT80602002697AC
Quad Core
Xeon E5504	SLBF9 (D0)	2 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	15×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000801AA	$224
Xeon E5506	SLBF8 (D0)	2.13 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	16×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000798AA	$266
Xeon E5507	SLBKC (D0)	2.27 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	17×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80602000795AA	$266
Xeon E5520	SLBFD (D0)	2.27 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	17×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602002091AA	$373
Xeon E5530	SLBF7 (D0)	2.4 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000792AA	$530
Xeon E5540	SLBF6 (D0)	2.53 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	19×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000789AA	$774
Xeon X5550	SLBF5 (D0)	2.67 GHz	2/2/3/3	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	20×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 30, 2009	AT80602000771AA	$958
Xeon X5560	SLBF4 (D0)	2.8 GHz	2/2/3/3	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	21×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 30, 2009	AT80602000768AA	$1172
Xeon X5570	SLBF3 (D0)	2.93 GHz	2/2/3/3	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	22×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 30, 2009	AT80602000765AA	$1386
Xeon W5580	SLBF2 (D0)	3.2 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	24×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	March 30, 2009	AT80602000756AD	$1600
Xeon W5590	SLBGE (D0)	3.33 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	25×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	August 9, 2009	AT80602000753AA	$1600
Quad Core, low voltage
Xeon L5506	SLBFH (D0)	2.13 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	16×	3 × DDR3-800	0.75–1.35 V	60 W	LGA 1366	March 30, 2009	AT80602002712AA	$423
Xeon L5518	SLBFW (D0)	2.13 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	16×	3 × DDR3-1066	0.75–1.35 V	60 W	LGA 1366	March 30, 2009	AT80602002265ABC
Xeon L5520	SLBFA (D0)	2.27 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	17×	3 × DDR3-1066	0.75–1.35 V	60 W	LGA 1366	March 30, 2009	AT80602000810AA	$530
Xeon L5530	SLBGF (D0)	2.4 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1066	0.75–1.35 V	60 W	LGA 1366	August 9, 2009	AT80602002927AB	$744

"Jasper Forest" (45 nm)

Based on Nehalem microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Demand Based Switching (Intel's Server EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x
EC5549, LC5528, and LC5518 support: Hyper-Threading, Turbo Boost
Die size: 263 mm²
Steppings: B0^[11]

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon EC5539	SLBWL (B0)	2.27 GHz	—	2	2 × 256 KB	4 MB	1 × 5.86 GT/s QPI	17×	3 × DDR3-1333	0.75–1.35 V	65 W	LGA 1366	February 12, 2010	AT80612003861AB	$388
Quad Core
Xeon EC5509	SLBWM (B0)	2 GHz	—	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	15×	3 × DDR3-1066	0.75–1.35 V	85 W	LGA 1366	February 12, 2010	AT80612004740AA	$266
Xeon EC5549	SLBWP (B0)	2.53 GHz	2933 MHz	4	4 × 256 KB	8 MB	1 × 5.86 GT/s QPI	19×	3 × DDR3-1333	0.75–1.35 V	85 W	LGA 1366	February 12, 2010	AT80612005712AB	$530
Quad Core, low voltage
Xeon LC5518	SLBWF (B0)	1.73 GHz	2133 MHz	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	13×	3 × DDR3-1066	0.75–1.35 V	48 W	LGA 1366	February 12, 2010	AT80612002928AC	$519
Xeon LC5528	SLBWK (B0)	2.13 GHz	2533 MHz	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	16×	3 × DDR3-1066	0.75–1.35 V	60 W	LGA 1366	February 12, 2010	AT80612003858AA	$519

"Westmere-EP" (32 nm)

Based on Westmere microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, AES-NI, Smart Cache
All models support: Hyper-Threading, Turbo Boost except E5603, E5606, E5607, L5609
Dual-socket configurations supported
Die size: 240 mm²
Steppings: B1

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core
Xeon X5698	SLC32 (B1)	4.4 GHz	—	2	2 × 256 KB	12 MB	2 × 4.8 GT/s QPI	33×	3 × DDR3-1066	0.75–1.35 V	130 W	LGA 1366	Q1, 2011	AT80614007314AA
Quad Core
Xeon E5603	SLC2F (B1)	1.6 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	12×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	February 14, 2011	AT80614006954AA BX80614E5603	$188
Xeon E5606	SLC2N (B1)	2.13 GHz	—	4	4 × 256 KB	8 MB	2 × 4.8 GT/s QPI	16×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	February 14, 2011	AT80614007290AE BX80614E5606	$219
Xeon E5607	SLBZ9 (B1)	2.27 GHz	—	4	4 × 256 KB	8 MB	2 × 4.8 GT/s QPI	17×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	February 14, 2011	AT80614006789AA BX80614E5607	$276
Xeon E5620	SLBV4 (B1)	2.4 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80614005073AB BX80614E5620	$387
Xeon E5630	SLBVB (B1)	2.53 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	19×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80614005463AA BX80614E5630	$551
Xeon E5640	SLBVC (B1)	2.67 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	20×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80614005466AA BX80614E5640	$774
Xeon X5647	SLBZ7 (B1)	2.93 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	22×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	February 14, 2011	AT80614006780AA	$774
Xeon X5667	SLBVA (B1)	3.07 GHz	2/2/3/3	4	4 × 256 KB	12 MB	2 × 6.4 GT/s QPI	23×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 16, 2010	AT80614005154AB	$1440
Xeon X5672	SLBYK (B1)	3.2 GHz	2/2/3/3	4	4 × 256 KB	12 MB	2 × 6.4 GT/s QPI	24×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	February 14, 2011	AT80614005922AA	$1440
Xeon X5677	SLBV9 (B1)	3.47 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 6.4 GT/s QPI	26×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	March 16, 2010	AT80614005145AB	$1663
Xeon X5687	SLBVY (B1)	3.6 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 6.4 GT/s QPI	27×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	February 14, 2011	AT80614005919AB	$1663
Quad Core, low power
Xeon L5609	SLBVJ (B1)	1.87 GHz	—	4	4 × 256 KB	12 MB	2 × 4.8 GT/s QPI	14×	3 × DDR3-1066	0.75–1.35 V	40 W	LGA 1366	March 16, 2010	AT80614005940AA	$440
Xeon L5618	SLBX3 (B1)	1.87 GHz	1/1/2/3	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	14×	3 × DDR3-1066	0.75–1.35 V	40 W	LGA 1366	March 16, 2010	AT80614005079AB	$530
Xeon L5630	SLBVD (B1)	2.13 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	16×	3 × DDR3-1066	0.75–1.35 V	40 W	LGA 1366	March 16, 2010	AT80614005484AA	$551
Six Core
Xeon E5645	SLBWZ (B1)	2.4 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1333	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80614003597AC	$551
Xeon E5649	SLBZ8 (B1)	2.53 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	19×	3 × DDR3-1333	0.75–1.35 V	80 W	LGA 1366	February 14, 2011	AT80614006783AB BX80614E5649	$774
Xeon X5650	SLBV3 (B1)	2.67 GHz	2/2/2/2/3/3	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	20×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 16, 2010	AT80614004320AD BX80614X5650	$996
Xeon X5660	SLBV6 (B1)	2.8 GHz	2/2/2/2/3/3	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	21×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 16, 2010	AT80614005127AA BX80614X5660	$1219
Xeon X5670	SLBV7 (B1)	2.93 GHz	2/2/2/2/3/3	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	22×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 16, 2010	AT80614005130AA BX80614X5670	$1440
Xeon X5675	SLBYL (B1)	3.07 GHz	2/2/2/2/3/3	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	23×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	February 14, 2011	AT80614006696AA BX80614X5675	$1440
Xeon X5680	SLBV5 (B1)	3.33 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	25×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	March 16, 2010	AT80614005124AA BX80614X5680	$1663
Xeon X5690	SLBVX (B1)	3.47 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	26×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	February 14, 2011	AT80614005913AB BX80614X5690	$1663
Six Core, low power
Xeon L5638	SLBWY (B1)	2 GHz	1/1/2/2/3/3	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	15×	3 × DDR3-1333	0.75–1.35 V	60 W	LGA 1366	March 16, 2010	AT80614003591AB	$958
Xeon L5640	SLBV8 (B1)	2.27 GHz	2/2/3/3/4/4	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	17×	3 × DDR3-1333	0.75–1.35 V	60 W	LGA 1366	March 16, 2010	AT80614005133AB BX80614L5640	$996

Xeon 7000-series (multiprocessor)

"Beckton" (45 nm)

Based on Nehalem microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Turbo Boost, Smart Cache
All models support: Hyper-Threading except X7542
65xx models support single- and dual-processor configurations, while 75xx models support up to 8-processor configurations
Transistors: 2.3 billion
Die size: 684 mm²
Steppings: D0

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Quad Core
Xeon E6510	SLBRL (D0)	1.73 GHz	—	4	4 × 256 KB	12 MB	4 × 4.8 GT/s QPI	13×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604004896AA	$744
Xeon E7520	SLBRK (D0)	1.87 GHz	—	4	4 × 256 KB	18 MB	4 × 4.8 GT/s QPI	14×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604004887AA	$856
Six Core
Xeon E7530	SLBRJ (D0)	1.87 GHz	2133 MHz	6	6 × 256 KB	12 MB	4 × 5.86 GT/s QPI	14×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604004884AA	$1391
Xeon E6540	SLBRC (D0)	2 GHz	2266 MHz	6	6 × 256 KB	18 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604001800AB	$1712
Xeon E7540	SLBRG (D0)	2 GHz	2266 MHz	6	6 × 256 KB	18 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604004878AA	$1980
Xeon X7542	SLBRM (D0)	2.67 GHz	2800 MHz	6	6 × 256 KB	18 MB	4 × 5.86 GT/s QPI	20×	4 × DDR3-1333	0.675–1.35 V	130 W	LGA 1567	March 30, 2010	AT80604005280AA	$1980
Six Core, low power
Xeon L7545	SLBRH (D0)	1.87 GHz	2533 MHz	6	6 × 256 KB	18 MB	4 × 5.86 GT/s QPI	14×	4 × DDR3-1333	0.675–1.35 V	95 W	LGA 1567	March 30, 2010	AT80604004881AA	$2087
Eight Core
Xeon X6550	SLBRB (D0)	2 GHz	2400 MHz	8	8 × 256 KB	18 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.675–1.35 V	130 W	LGA 1567	March 30, 2010	AT80604001797AB	$2461
Xeon X7550	SLBRE (D0)	2 GHz	2400 MHz	8	8 × 256 KB	18 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.675–1.35 V	130 W	LGA 1567	March 30, 2010	AT80604004872AA	$2729
Xeon X7560	SLBRD (D0)	2.27 GHz	2666 MHz	8	8 × 256 KB	24 MB	4 × 6.4 GT/s QPI	17×	4 × DDR3-1333	0.675–1.35 V	130 W	LGA 1567	March 30, 2010	AT80604004869AA	$3692
Eight Core, low power
Xeon L7555	SLBRF (D0)	1.87 GHz	2533 MHz	8	8 × 256 KB	24 MB	4 × 5.86 GT/s QPI	14×	4 × DDR3-1333	0.675–1.35 V	95 W	LGA 1567	March 30, 2010	AT80604004875AA	$3157

Xeon E7 (multiprocessor)

"Westmere-EX" (32 nm)

Based on Westmere microarchitecture.
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Intel VT-c, Hyper-threading (except E7-8837), Turbo Boost, AES-NI, Smart Cache.
28xx models support single- and dual-processor configurations, 48xx models support up to four-processor configurations, 88xx models support up to eight-processor configurations.
Transistors: 2.6 billion
Die size: 513 mm²
Steppings: A2

Model	sSpec number	Clock rate	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Six Core
Xeon E7-2803	SLC3M (A2)	1.73 GHz	—	6	6 × 256 KB	18 MB	4 × 4.8 GT/s QPI	13×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615006438AB	$774
Xeon E7-4807	SLC3L (A2)	1.87 GHz	—	6	6 × 256 KB	18 MB	4 × 4.8 GT/s QPI	14×	4 × DDR3-1333	0.6–1.35 V	95 W	LGA 1567	April 3, 2011	AT80615006432AB	$890
Eight Core
Xeon E7-2820	SLC3R (A2)	2 GHz	1/1/1/2	8	8 × 256 KB	18 MB	4 × 5.86 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615007245AA	$1334
Xeon E7-2830	SLC3J (A2)	2.13 GHz	1/1/1/2	8	8 × 256 KB	24 MB	4 × 6.4 GT/s QPI	16×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615005787AB	$1779
Xeon E7-4820	SLC3G (A2)	2 GHz	1/1/1/2	8	8 × 256 KB	18 MB	4 × 5.86 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615005772AC	$1446
Xeon E7-4830	SLT3Q (A2)	2.13 GHz	1/1/1/2	8	8 × 256 KB	24 MB	4 × 6.4 GT/s QPI	16×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615007089AA BX80615E74830	$2059
Xeon E7-8830	SLC3K (A2)	2.13 GHz	1/1/1/2	8	8 × 256 KB	24 MB	4 × 6.4 GT/s QPI	16×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615005826AB	$2280
Xeon E7-8837	SLC3N (A2)	2.67 GHz	1/1/1/1	8	8 × 256 KB	24 MB	4 × 6.4 GT/s QPI	20×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615006750AB	$2280
Ten Core
Xeon E7-2850	SLC3W (A2)	2 GHz	1/1/2/3/3	10	10 × 256 KB	24 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007452AA	$2558
Xeon E7-2860	SLC3H (A2)	2.27 GHz	1/1/2/3/3	10	10 × 256 KB	24 MB	4 × 6.4 GT/s QPI	17×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615005781AB	$3670
Xeon E7-2870	SLC3U (A2)	2.4 GHz	1/1/2/3/3	10	10 × 256 KB	30 MB	4 × 6.4 GT/s QPI	18×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007266AA	$4227
Xeon E7-4850	SLC3V (A2)	2 GHz	1/1/2/3/3	10	10 × 256 KB	24 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007449AA	$2837
Xeon E7-4860	SLC3S (A2)	2.27 GHz	1/1/2/3/3	10	10 × 256 KB	24 MB	4 × 6.4 GT/s QPI	17×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007254AA	$3838
Xeon E7-4870	SLC3T (A2)	2.4 GHz	1/1/2/3/3	10	10 × 256 KB	30 MB	4 × 6.4 GT/s QPI	18×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007263AA BX80615E74870	$4394
Xeon E7-8850	SLC3D (A2)	2 GHz	1/1/2/3/3	10	10 × 256 KB	24 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007446AA	$3059
Xeon E7-8860	SLC3F (A2)	2.27 GHz	1/1/2/3/3	10	10 × 256 KB	24 MB	4 × 6.4 GT/s QPI	17×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615005760AB	$4061
Xeon E7-8870	SLC3E (A2)	2.4 GHz	1/1/2/3/3	10	10 × 256 KB	30 MB	4 × 6.4 GT/s QPI	18×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615005757AB	$4616
Ten Core, low power
Xeon E7-8867L	SLC3P (A2)	2.13 GHz	1/1/2/3/3	10	10 × 256 KB	30 MB	4 × 6.4 GT/s QPI	16×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615007002AB	$4172

Sandy Bridge based Xeons

Xeon E3 (uniprocessor)

"Sandy Bridge" (32 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Turbo Boost, AES-NI, Smart Cache.
All models except Xeon E3-1220 and Xeon E3-1225 support Hyper-threading.
All models support uni-processor configurations only.
Intel HD Graphics P3000 uses drivers that are optimized and certified for professional applications, similar to nVidia Quadro and AMD FirePro products.
Die size: D2: 216 mm², Q0: 131 mm²
Steppings: D2, Q0

Model	sSpec number	Cores	Clock rate	Turbo	L2 cache	L3 cache	GPU model	GPU frequency	TDP	Socket	I/O bus	Release date	Part number(s)	Release price (USD)
Dual Core, low power
Xeon E3-1220L	SR070 (Q0)	2	2.2 GHz	10/12	2 × 256 KB	3 MB	—	—	20 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307262834	$189
Quad Core
Xeon E3-1220	SR00F (D2)	4	3.1 GHz	1/2/2/3	4 × 256 KB	8 MB	—	—	80 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062300921702 BX80623E31220	$189
Xeon E3-1225	SR00G (D2)	4	3.1 GHz	1/2/2/3	4 × 256 KB	6 MB	HD Graphics P3000	850–1350 MHz	95 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307262304 BX80623E31225	$194
Xeon E3-1230	SR00H (D2)	4	3.2 GHz	1/2/3/4	4 × 256 KB	8 MB	—	—	80 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307262610 BX80623E31230	$215
Xeon E3-1235	SR00J (D2)	4	3.2 GHz	1/2/3/4	4 × 256 KB	8 MB	HD Graphics P3000	850–1350 MHz	95 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307262206 BX80623E31235	$240
Xeon E3-1240	SR00K (D2)	4	3.3 GHz	1/2/3/4	4 × 256 KB	8 MB	—	—	80 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307262503 BX80623E31240	$250
Xeon E3-1245	SR00L (D2)	4	3.3 GHz	1/2/3/4	4 × 256 KB	8 MB	HD Graphics P3000	850–1350 MHz	95 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307262103 BX80623E31245	$262
Xeon E3-1270	SR00N (D2)	4	3.4 GHz	1/2/3/4	4 × 256 KB	8 MB	—	—	80 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307262403 BX80623E31270	$328
Xeon E3-1275	SR00P (D2)	4	3.4 GHz	1/2/3/4	4 × 256 KB	8 MB	HD Graphics P3000	850–1350 MHz	95 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307262003 BX80623E31275	$339
Xeon E3-1280	SR00R (D2)	4	3.5 GHz	1/2/3/4	4 × 256 KB	8 MB	—	—	95 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062307261903 BX80623E31280	$612
Xeon E3-1290	SR055 (D2)	4	3.6 GHz	1/2/3/4	4 × 256 KB	8 MB	—	—	95 W	LGA 1155	DMI 2.0	May 29, 2011	CM8062307261903	$885
Quad Core, low power
Xeon E3-1260L	SR00M (D2)	4	2.4 GHz	1/4/8/9	4 × 256 KB	8 MB	HD Graphics 2000	650–1250 MHz	45 W	LGA 1155	DMI 2.0	April 3, 2011	CM8062301061800	$294

Xeon E5

"Sandy Bridge-EP" (32 nm)

Based on Sandy Bridge microarchitecture.
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Hyper-threading (except E5-2603, E5-2609), Turbo Boost, AES-NI, Smart Cache.

Model	Cores	Clock rate	Turbo	L2 cache	L3 cache	GPU model	GPU frequency	TDP	Socket	I/O bus	Release date	Release price (USD)
standard power
Xeon E5-1660	6	3.3 GHz	3/3/4/4/6/6	6 × 256 KB	15 MB	—	—	130 W	LGA 2011	DMI 2.0	March 6, 2012	$1080
Xeon E5-2603^[14]	4	1.8 GHz		4 × 256 KB	10 MB	—	—	80 W	LGA 2011	DMI 2.0	March 6, 2012	$202
Xeon E5-2609	4	2.4 GHz		4 × 256 KB	10 MB	—	—	80 W	LGA 2011	DMI 2.0	March 6, 2012	$294
Xeon E5-2620	6	2 GHz		6 × 256 KB	15 MB	—	—	95 W	LGA 2011	DMI 2.0	March 6, 2012	$406
Xeon E5-2630	6	2.3 GHz		6 × 256 KB	15 MB	—	—	95 W	LGA 2011	DMI 2.0	March 6, 2012	$612
Xeon E5-2640	6	2.5 GHz		6 × 256 KB	15 MB	—	—	95 W	LGA 2011	DMI 2.0	March 6, 2012	$884
Xeon E5-2650	8	2 GHz		8 × 256 KB	20 MB	—	—	95 W	LGA 2011	DMI 2.0	March 6, 2012	$1106
Xeon E5-2660	8	2.2 GHz		8 × 256 KB	20 MB	—	—	95 W	LGA 2011	DMI 2.0	March 6, 2012	$1329
Xeon E5-2665	8	2.4 GHz		8 × 256 KB	20 MB	—	—	115 W	LGA 2011	DMI 2.0	March 6, 2012	$1440
Xeon E5-2670	8	2.6 GHz		8 × 256 KB	20 MB	—	—	115 W	LGA 2011	DMI 2.0	March 6, 2012	$1552
Xeon E5-2680	8	2.7 GHz		8 × 256 KB	20 MB	—	—	130 W	LGA 2011	DMI 2.0	March 6, 2012	$1723
Xeon E5-2687W	8	3.1 GHz		8 × 256 KB	20 MB	—	—	150 W	LGA 2011	DMI 2.0	March 6, 2012	$1885
Xeon E5-2690	8	2.9 GHz		8 × 256 KB	20 MB	—	—	135 W	LGA 2011	DMI 2.0	March 6, 2012	$2057

References

^ "Intel Xeon Processor Specification Update" (PDF). p. 7. Retrieved 2008-05-21. -035 Added new Processor Intel Xeon Processor with 2-MB L3 Cache with Processor Signature=0F25H (M0 Stepping). February 2004
^ standard voltage Xeon 3.0
^ Low voltage Xeon 3 GHz
^ Intel Xeon 3075
^ Intel Xeon 3085
^ Xeon E5330
^ Xeon E5340
^ Xeon E5350, X5350
^ Xeon MP E7458
^ Xeon L3403
^ ^a ^b Intel® Xeon® Processor C5500/C3500 series specification update (PDF)
^ http://www.tomshardware.com/news/intel-product-roadmap-2009,6384.html
^ http://www.tgdaily.com/content/view/40180/139/
^ http://www.cpu-world.com//news_2011/2011102701_Prices_of_Xeon_E5-2600-series_CPUs.html

External links

[1] "Intel Xeon Processor Specification Update" (PDF). p. 7. Retrieved 2008-05-21. -035 Added new Processor Intel Xeon Processor with 2-MB L3 Cache with Processor Signature=0F25H (M0 Stepping). February 2004

[2] standard voltage Xeon 3.0

[3] Low voltage Xeon 3 GHz

[4] Intel Xeon 3075

[5] Intel Xeon 3085

[6] Xeon E5330

[7] Xeon E5340

[8] Xeon E5350, X5350

[9] Xeon MP E7458

[10] Xeon L3403

[Jasper_Forest-11] Intel® Xeon® Processor C5500/C3500 series specification update (PDF)

[12] ttp://www.tomshardware.com/news/intel-product-roadmap-2009,6384.html

[13] ttp://www.tgdaily.com/content/view/40180/139/

[14] ttp://www.cpu-world.com//news_2011/2011102701_Prices_of_Xeon_E5-2600-series_CPUs.html

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P6 based Xeons

Pentium II Xeon

"Drake" (250 nm)

Pentium III Xeon

"Tanner" (250 nm)

"Cascades" (180 nm)

NetBurst based Xeons

Xeon (UP/DP)

"Foster" (180 nm)

"Prestonia" (130 nm)

"Gallatin" (130 nm)

"Nocona" (90 nm)

"Irwindale" (90 nm)

Xeon (UP/DP), Dual Core

"Paxville DP" (90 nm)

"Dempsey" (65 nm)

Xeon MP

"Foster MP" (180 nm)

"Gallatin" (130 nm)

"Cranford" (90 nm)

"Potomac" (90 nm)

Xeon MP, Dual Core

"Paxville MP" (90 nm)

"Tulsa" (65 nm)

Pentium M (Yonah) based Xeons

Xeon DP, Dual Core

"Sossaman" (65 nm)

Core based Xeons

Xeon (UP/DP), Dual Core

"Allendale" (65 nm)

"Conroe" (65 nm)

"Woodcrest" (65 nm)

"Wolfdale-CL" (45 nm)

"Wolfdale" (45 nm)

"Wolfdale-DP" (45 nm)

Xeon (UP/DP), Quad Core

"Kentsfield" (65 nm)

"Yorkfield-6M" (45 nm)

"Yorkfield" (45 nm)

"Yorkfield-CL" (45 nm)

"Clovertown" (65 nm)

"Harpertown" (45 nm)

Xeon MP, Multi Core

"Tigerton" (65 nm)

"Dunnington" (45 nm)

Nehalem based Xeons

Xeon 3000-series (uniprocessor)

"Clarkdale" (32 nm)

"Lynnfield" (45 nm)

"Bloomfield" (45 nm)

"Jasper Forest" (45 nm)

"Gulftown" (32 nm)

Xeon 5000-series (dual-processor)

"Gainestown" (45 nm)

"Jasper Forest" (45 nm)

"Westmere-EP" (32 nm)

Xeon 7000-series (multiprocessor)

"Beckton" (45 nm)

Xeon E7 (multiprocessor)

"Westmere-EX" (32 nm)

Sandy Bridge based Xeons

Xeon E3 (uniprocessor)

"Sandy Bridge" (32 nm)

Xeon E5

"Sandy Bridge-EP" (32 nm)

See also

References

External links