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Comparison of third-generation video game home consoles
Name SG-1000 Family Computer/
Nintendo Entertainment System 		Sega Mark III/
Master System 		Atari 7800 Atari XEGS
Manufacturer Sega Nintendo Sega Atari Corporation
Image(s)



Release date
  • JP: July 15, 1983
  • AU: November 1983
  • JP: July 15, 1983
  • NA: late 1985
  • BR: 1985
  • EU: September 1986
  • WW: 1987
  • JP: October 20, 1985
  • NA: October 1986
  • WW: June 1987
  • BR: September 4, 1989
  • NA: May 1986
  • WW: July 1987
Launch prices US$ —
  • US$180 (equivalent to US$530 in 2024)[1][2]
  • US$199.99 (equivalent to $570 in 2024)
 US$140 (equivalent to $400 in 2024) US$159 (equivalent to $460 in 2024)
GBP — —
  • £99.95 (equivalent to £360 in 2023)[3]
 — —
JP¥ JP¥15,000 (equivalent to ¥18,600 in 2019)[4]
  • JP¥14,800 (equivalent to ¥18,400 in 2019)[5]
  • JP¥15,000 (equivalent to ¥17,800 in 2019)[6]
 — —
Media Type
  • Cartridge
  • 3″ floppy disk (Famicom Disk System required, Japan and Hong Kong)[7]
  • Cartridge
  • Data card (first model only)
 Cartridge Cartridge
Regional lockout Unrestricted Region locked Region locked Region locked None
Backward compatibility — — SG-1000 (Japanese systems only) Atari 2600 Atari 400 and Atari 800
Pack-in game N/A Super Mario Bros. (approx. 40 million units)[8]
Pole Position II[9] Missile Command (built-in)
Top-selling games N/A
N/A N/A N/A
Accessories
(retail)
  • Bike Handle Controller
  • Card Catcher
  • Sega Handle Controller
  • Sega Rapid Fire Unit
  • SK-1100
CPU
clock speed 		NEC 780C (Z80-derived)
(3.58 MHz (3.55 MHz PAL)[13] 		Ricoh 2A03 (6502-derived)
(1.79 MHz (1.66 MHz PAL))[14]: 149  		Zilog Z80A
(4 MHz) 		Custom 6502C
(1.19 MHz or 1.79 MHz)
GPU Ricoh PPU (Picture Processing Unit) Yamaha YM2602 VDP (Video Display Processor)
Sound chip(s)

Famicom Disk System:

Japan only:

Optional cartridge chip:

POKEY

Memory

3 KB RAM[13]

4.277 KB (4380 bytes) RAM

  • 2 KB main RAM)[14]: 149 
  • 2 KB video RAM[18]
  • 256 bytes sprite attribute RAM
  • 28 bytes palette RAM

Upgrades:

  • MMC chips: Up to 8 KB work RAM and 12 KB video RAM[19]
  • Famicom Disk System: 32 KB work RAM, 8 KB video RAM[16]

24.031 KB (24,608 bytes) RAM

  • 8 KB main XRAM
  • 16 KB video XRAM[20]
    (256 bytes sprite attribute table)
  • 32 bytes palette RAM[21]

4 KB RAM

64KB RAM

Video Resolution 256×192[22] 256×240[23] 256×192, 256×224, 256×240 160×200 or 320×200 160x192
Palette 21 colors[13] 54 colors[14]: 149  64 colors 256 colors (16 hues, 16 luma) 256 colors
Colors on screen 16 simultaneous (1 color per sprite) 25 simultaneous (4 colors per sprite) 32 simultaneous (16 colors per sprite) 25 simultaneous (1, 4 or 12 colors per sprite) 16 simultaneous
Sprites
  • 32 on screen (4 per scanline)
  • 8×8 or 16×16 pixels
  • Integer sprite zooming up to 32×32 pixels
  • 64 on screen (8 per scanline)[24]
  • 8×8 or 8×16 pixels[24]
  • Sprite flipping[25]: 119 
  • 64 on screen (8 per scanline)
  • 8×8 to 16×16 pixels
  • Integer sprite zooming up to 32×32 pixels[26]
  • Display list
  • 100 sprites (30 per scanline without background)
 8 on screen
Background Tilemap playfield, 8×8 tiles Tilemap playfield, 8×8 tiles Tilemap playfield, 8×8 tiles, tile flipping[21] N/A
Scrolling N/A Smooth hardware scrolling, vertical/horizontal directions
MMC chips: IRQ interrupt, diagonal scrolling, line scrolling, split‑screen scrolling 		Smooth hardware scrolling, vertical/horizontal/diagonal directions,[27] IRQ interrupt, line scrolling, split‑screen scrolling[26] Coarse scrolling, vertical/horizontal directions
Audio Mono audio with:[28] Mono audio with:[29]

Japan only upgrades:

Mono audio with:
  • Three square wave channels
  • One noise generator

Japan only:

Mono audio with:[25]: 121 
  • Two square waves

Optional cartridge chip:

  • Four square wave channels
  • One noise generator
Comparison of fifth-generation video game home consoles
Name 32X Sega Saturn PlayStation Nintendo 64
Manufacturer Sega Sony (SCE) Nintendo
Image(s)



32X connected to a model 2 Genesis with Sega CD and controller Top: North American Saturn Model 1 and controller
Bottom: Japanese Saturn Model 1 and updated controller 		Top: Original PlayStation with DualShock controller
Bottom: Revised PSOne with DualShock controller 		Top: Nintendo 64 with controller and game cartridge
Bottom: Nintendo 64 with 64DD peripheral attached
Release date
  • NA: November 21, 1994
  • EU: November 1994
  • JP: December 3, 1994
  • JP: November 22, 1994
  • NA: May 11, 1995
  • EU: July 8, 1995
  • JP: December 3, 1994
  • NA: September 9, 1995
  • EU: September 29, 1995
  • AU: November 15, 1995
  • JP: June 23, 1996
  • NA: September 29, 1996
  • EU: March 1, 1997
  • AU: March 1, 1997
Launch price US$ US$159.99 (equivalent to $340 in 2024) US$399.99 (equivalent to $830 in 2024) US$299.99 (equivalent to $620 in 2024)[30] US$199.99 (equivalent to $410 in 2024)
GBP £399.99[31] (equivalent to £970 in 2023) £299[32](equivalent to £730 in 2023)
A$ A$700 (equivalent to $1,460 in 2022)
JP¥ ¥29.800 (equivalent to ¥30 in 2019) ¥44,800 (equivalent to ¥46,530 in 2019) ¥39,800 (equivalent to ¥41,330 in 2019)
Media Type
  • CD-ROM
  • Cartridge (limited, Japan and Europe only)
 CD-ROM
Regional lockout Partial Region locked Region locked Region locked
Best-selling game Unknown Virtua Fighter 2, 1.7 million[33] Gran Turismo, 10.85 million[34][35] Super Mario 64, 11.62 million[36][37]
CPU
  • LSI LR333x0 (labelled as the Sony CXD8530CQ on the package) (based on the MIPS R3051 core) @ 33.8688 MHz (30 MIPS[42])
  • System control coprocessor (inside CPU)

NEC VR4300 (64‑bit RISC) @ 93.75 MHz (125 MIPS)[43][44]

GPU 32x Specific:
  • Sega 32x VDP (Sega Custom LSI) @ 23 MHz

Megadrive:

  • Yamaha YM7101 VDP (Video Display Processor)

Sega CD Add-on:

  • Sega VDP1 (32‑bit video display processor) @ 28.63 MHz (sprites, textures, polygons)[45]
  • Sega VDP2 (32‑bit video display processor) @ 28.63 MHz (backgrounds, scrolling)[46]
  • SCU DSP (inside SCU (32‑bit Saturn Control Unit))[41]
 Reality Co-Processor (64‑bit MIPS R4000 based, 128‑bit vector register processor) @ 62.5 MHz
Sound chip(s) 32x Specific:

Megadrive:

Sega CD Add-on:

Sony SPU (sound processing unit) Reality Signal Processor (DSP)
Memory 32x Specific:
  • 256 KB main RAM
  • 256 KB video RAM

Megadrive:

Sega CD Add-on:

  • 512 KB RAM
  • 256 KB VRAM
  • 64 KB ARAM
  • 16 KB cache
  • 8 KB Internal Back-up
 4.5 MB RAM 3587 KB RAM
  • 2 MB DRAM
  • 1026 KB VRAM (1 MB frame buffer, 2 KB texture cache, 64 bytes FIFO buffer)
  • 512 KB sound RAM
  • 1 KB non-associative SRAM data cache
 4 MB RDRAM (8 MB with Expansion Pak)
Video 32x Specific:

Megadrive:

  • Sprites: 80 on screen, 20 per scanline, 8×8 to 32×32 sizes, 16 colors per sprite, integer sprite zoom, sprite flipping
  • Tilemaps: 2 parallax scrolling planes with line & row scroll effects and tile flipping
  • Colors on screen: 64 to 75 (standard), 192 (shadow/highlight), 512 (160×224 resolution)
  • Color palette: 512 (standard), 1536 (shadow/highlight)
  • Resolution: 256×224 to 640×240 (progressive), 256×448 to 640×480 (interlaced)
  • Colors: 153,600 (640×240) on screen, out of 16,777,216 (24‑bit) palette
  • Polygons: 90,000/sec (textured, lighting, Gouraud shading)[52] to 360,000/sec[53] (flat shading)
  • Sprites/textures: 4,000/frame[54] (bitmap objects[47]), scaling, rotation, texture mapping
  • Background: 1 bitmap plane
Audio Stereo audio with:

Sega CD Add-on:

  • 8 PCM channels (16-bit, 32 kHz)
  • 1 streaming CD-DA channel (16-bit, 44.1 kHz)
 Stereo audio, with:[48]
  • 32 sound channels on SCSP
  • FM synthesis on all 32 SCSP channels
  • 16‑bit PCM audio with 44.1 kHz sampling rate on all 32 SCSP channels
  • 1 streaming CD-DA channel (16‑bit PCM, 44.1 kHz)
 Stereo audio, with:
  • 24 ADPCM channels on SPU
  • 16‑bit audio and 44.1 kHz sampling rate on all 24 ADPCM channels
  • 1 streaming CD-DA channel (16‑bit PCM, 44.1 kHz)
  • Optional Dolby Surround support
 Stereo audio, with:
  • Variable number of channels (up to 100 if all system resources are devoted to audio)
  • Capable of playing back different types of audio (including PCM, MP3, MIDI and tracker music)
  • 16‑bit audio and 44.1 kHz sampling rate on all channels
  • Optional Dolby Surround support
Accessories (retail) Megadrive peripherals supported
Online services
  • US: Lightspan Online Connection CD
  • JP: i-mode Mobile Phone Connection Cable
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