Processor

• Main Processor: Motorola 68000 running at 12 MHz
• Although the MC68000 CPU was designed by Motorola, there were many other clones of this CPU found in the Neo Geo hardware.
• The most common CPU is the TMP68HC000 manufactured by Toshiba.
• Co-Processor: Zilog Z80 running at 4 MHz. This is used as an audio controller.
• Sound chip: Yamaha YM2610 15 Sound Channels. 7 Digital, 4 FM synthesis, 3 PSG, and 1 Noise Channel.

Memory

• Main Memory (used directly by 68K): 64 KB
• Main Video memory : 74 KB
  • Video Memory: 64 KB
  • Palette Memory : 8 KB
  • Fast Video RAM : 2 KB
• Sound Memory (used directly by Z80): 2 KB

Display

• Display resolution: 320x224 (many games only used the centermost 304 pixels)
• Color Palette: 65,536
• Maximum Colors On-Screen: 4,096
• Maximum Sprites On-Screen: 380
• Minimum Sprite Size: 1x2
• Maximum Sprite Size: 16x512
• Maximum Sprites per scanline: 96
• Background Layers: 0
• Aspect ratio: 4:3
• A/V output: RF, composite video, RGB (with separate 21 pin SCART cable FCG-9).

Sound

• Sound CPU: Z80 at 4 MHz
• Sound hardware: YM2610 at 8 MHz, stereo sounds up to 56 kHz
• 4 channels FM (4 operators + LFO)
• 3 PSG
• 1 noise
• 7 4-bit ADPCM
• Work RAM (sound): 2KB
• Sound ROM 128KB on-board (only less than 32KB used)
• up to 512KB sound ROM on cartridges

Power

• Source: separate DC 5 V(older systems) and DC 9 V adapter (newer systems).
• Consumption: 8 W older Systems, 5 W newer Systems

Dimensions

• Console: 325 mm (width) x 237 mm (depth) x 60 mm (height).
• Controller: 280 mm (width) x 190 mm (depth) x 95 mm (height).

Storage

• Removable Memory Card: 8 KB or 68-pin JEIDA ver.3 spec memory
  • Any 68-pin memory that fits the JEIDA ver.3 spec will work