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Intel Ivy Bridge–based Xeon microprocessors

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Ivy Bridge-E
General information
LaunchedSeptember 10, 2013
Designed byIntel Corporation
CPUID code0306Exh
Product code80633, 80636, 80634, 80635
Max. CPU clock rateto 3.7 GHz
Cache
L1 cache32 KB per core
L2 cache256 KB per core
L3 cacheup to 37.5 MB shared
Architecture and classification
Applicationservers, workstations, high-end desktops
Technology node22 nm
Physical specifications
Transistors
Cores
  • up to 15 (physical)
    up to 30 (logical)
Socket
History
PredecessorSandy Bridge-E
SuccessorHaswell-E

Intel Ivy Bridge-based Xeon microprocessors (also known as Ivy Bridge-E) is the follow-up to Sandy Bridge-E, using the same CPU core as the Ivy Bridge processor, but in LGA 2011, LGA 1356 and LGA 2011-1[1] packages for workstations and servers.

There are five different families of Xeon processors that were based on Sandy Bridge architecture:

  • Ivy Bridge-E uses LGA 2011 socket and was branded as Core i7 Extreme Edition and Core i7 high-end desktop (HEDT) processors, despite sharing many similarities with Xeon E5 models.
  • Ivy Bridge-EP which also uses LGA 2011 socket for the Xeon E5 models aimed at high-end servers and workstations. It supports motherboards equipped with up to 4 sockets.
  • Ivy Bridge-EX introduces new LGA 2011-1 socket and features up to 15 cores. It supports motherboards equipped with up to 8 sockets.
  • Ivy Bridge-EN uses a smaller LGA 1356 socket for low-end and dual-processor servers on certain Xeon E5 and Pentium branded models.
  • Ivy Bridge Xeon with LGA 1155 socket were mostly identical to its desktop counterparts apart from the missing IGPU despite branded as Xeon processors.
  • Gladden with BGA 1284 package and was intended for embedded applications.

Features

  • Dual memory controllers for Ivy Bridge-EP and Ivy Bridge-EX[2]
  • Up to 12 CPU cores and 30 MB of L3 cache for Ivy Bridge-EP[2]
  • Up to 15 CPU cores and 37.5 MB L3 cache for Ivy Bridge-EX[3] (released on February 18, 2014 as Xeon E7 v2[4])
  • Thermal design power between 50 W and 155 W[5]
  • Support for up to eight DIMMs of DDR3-1866 memory per socket, with reductions in memory speed depending on the number of DIMMs per channel[6][7][8]
  • No integrated GPU
  • Ivy Bridge-EP introduced new hardware support for interrupt virtualization, branded as APICv.[9][10]

Models and steppings

The basic Ivy Bridge-E is a single-socket processor sold as Core i7-49xx and is only available in the six-core S1 stepping, with some versions limited to four active cores.

There are in fact three die "flavors" for the Ivy Bridge-EP, meaning that they are manufactured and organized differently, according to the number of cores an Ivy Bridge-EP CPU includes:[11]

  • The largest is an up-to-12-core die organized as three four-core columns with up to 30 MB L3 cache in two banks between the cores; these cores are linked by three rings of interconnects.
  • The intermediate is an up-to-10-core die organized as two five-core columns with up to 25 MB L3 cache in a single bank between the cores; the cores are linked by two rings of interconnects.
  • The smallest is an up-to-six-core die organized as two three-core columns with up to 15 MB L3 cache in a single bank between the cores; the cores are linked by two rings of interconnects.

Ivy Bridge-EX has up to 15 cores and scales to 8 sockets. The 15-core die is organized into three columns of five cores, with three interconnect rings connecting two columns per ring; each five-core column has a separate L3 cache.[12]

Die code name CPUID Stepping Die size Transistors Cores L3 cache Socket
Ivy Bridge-E-6 0x0306Ex S1 256.5 mm² 1.86 billion 6 15 MB LGA 2011
Ivy Bridge-EN-6 LGA 1356
Ivy Bridge-EP-6 LGA 2011
Ivy Bridge-EX-6 D1 LGA 2011-1
Ivy Bridge-EN-10 M1 341 mm² 2.89 billion 10 25 MB LGA 1356
Ivy Bridge-EP-10 LGA 2011
Ivy Bridge-EX-10 D1 LGA 2011-1
Ivy Bridge-EP-12 C1 541 mm² 4.31 billion 12 30 MB LGA 2011
Ivy Bridge-EX-15 D1 15 37.5 MB LGA 2011-1
Code name Brand name (list) Cores L3 cache Socket TDP I/O Bus
Ivy Bridge-E Core i7-48xx 4 10 MB 1×LGA 2011 130 W DMI
Core i7-49xx 6 12–15 MB 1×LGA 2011 130 W DMI
Ivy Bridge-EN Xeon E5-14xx v2 4–6 10–15 MB 1×LGA 1356 60–80 W DMI
Xeon E5-24xx v2 4–10 10–25 MB 2×LGA 1356 50–95 W DMI+QPI
Pentium 14xx v2 2 6 MB 1×LGA 1356 40–80 W DMI
Ivy Bridge-EP Xeon E5-16xx v2 4–8 10–15 MB 1×LGA 2011 130 W DMI
Xeon E5-26xx v2 4–12 10–30 MB 2×LGA 2011 80–150 W DMI+2×QPI
Xeon E5-26xxL v2 6–10 15–25 MB 2×LGA 2011 50–70 W DMI+2×QPI
Xeon E5-46xx v2 4–12 10–30 MB 4×LGA 2011 70–130 W DMI+2×QPI
Ivy Bridge-EX Xeon E7-28xx v2 12-15 24–37.5 MB 2×LGA 2011-1 105–155 W DMI+3×QPI
Xeon E7-48xx v2 6-15 12–37.5 MB 4×LGA 2011-1 105–155 W DMI+3×QPI
Xeon E7-88xx v2 6-15 24–37.5 MB 8×LGA 2011-1 105–155 W DMI+3×QPI

Ivy Bridge-E and Ivy Bridge-EP

Ivy Bridge EX

Ivy Bridge EN

  1. ^ Cite error: The named reference intel-xeon-e7-v2 was invoked but never defined (see the help page).
  2. ^ a b "Intel's Xeon E5-2600 V2: 12-core Ivy Bridge EP for Servers". AnandTech. September 17, 2013. Retrieved January 21, 2014.
  3. ^ "Some details of Ivy Bridge-EX processors". Cpu-world.com. Retrieved October 12, 2013.
  4. ^ Charlie Demerjian. "Intel releases Ivy Bridge-EX now known as Xeon E7 v2". SemiAccurate. Retrieved February 19, 2014.
  5. ^ "Intel Xeon E7 'Ivy Bridge-EX' Lineup Detailed – Xeon E7-8890 V2 'Ivy Town' Chip With 15 Cores and 37.5 MB LLC". Wccftech.com. February 2, 2014. Retrieved February 16, 2014.
  6. ^ Johan De Gelas (December 19, 2013). "Server Buying Decisions: Memory". AnandTech. Retrieved September 9, 2014.
  7. ^ "Fujitsu PRIMERGY Servers Memory Performance of Xeon E5-2600 v2 (Ivy Bridge-EP) based Systems" (PDF). fujitsu.com. November 14, 2013. pp. 4–5. Retrieved September 9, 2014.
  8. ^ Jason Fan (2013). "The importance of proper memory configuration for optimal performance (Intel Reference – E5-2600 v2 DDR3 RDIMM Memory Speeds; Intel Reference – E5-2600 v2 DDR3 LRDIMM & ECC UDIMM Memory Speeds)" (PDF). worldhostingdays.com. Kingston Technology. pp. 7–8. Archived from the original (PDF) on 10 September 2014. Retrieved 9 September 2014.
  9. ^ Khang Nguyen (December 17, 2013). "APIC Virtualization Performance Testing and Iozone". software.intel.com. Retrieved July 12, 2014.
  10. ^ "Product Brief Intel Xeon Processor E5-4600 v2 Product Family" (PDF). Intel. March 14, 2014. Retrieved July 12, 2014.
  11. ^ Novakovic, Nebojsa (February 12, 2014). "Ivy Bridge-EP: Xeon E5 gets its 2013 refresh". VR-Zone.com. Retrieved February 16, 2014.
  12. ^ "Better Late than Never: Monster 15-Core Xeon Chips Let Loose by Intel". The Register. February 18, 2014. Retrieved February 20, 2014.
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