Game Boy - Technical Specifications

Technical Specifications

  • CPU: Custom 8-bit Sharp LR35902 core at 4.19 MHz which is similar to an Intel 8080 in that none of the registers introduced in the Z80 are present. However, some of the Z80's instruction set enhancements over the stock 8080, particularly bit manipulation, are present. Still other instructions are unique to this particular flavor of Z80 CPU. The core also contains integrated sound generation.
  • RAM: 8 kB internal S-RAM (can be extended up to 32 kB)
  • Video RAM: 8 kB internal
  • ROM: On-CPU-Die 256-byte bootstrap; 256 KB, 512 KB, 1 MB, 2 MB, 4 MB and 8 MB cartridges
  • Sound: 2 square wave generators, 1 PCM 4-bit wave sample (64 4-bit samples played in 1x64 bank or 2x32 bank) channel, 1 noise generator, and one audio input from the cartridge. The unit only has one speaker, but headphones provide stereo sound (for further information, see Game Boy music)
  • Display: Reflective STN LCD 160 × 144 pixels
  • Frame Rate: Approx. 59.7 frames per second on a regular Game Boy, 61.1 on a Super Game Boy
  • Vertical Blank Rate: Approx 1.1ms
  • Screen size: 66 mm (2.6 in) diagonal
  • Color Palette: 2-bit (4 shades of "gray" {light to very dark olive green})
  • Communication: Up to 2 Game Boys can be linked together via built-in serial ports, up to 4 with a DMG-07 4-player adapter.
  • Power: 6 V, 0.7 W (4 AA batteries provide ~15 hours)
  • Dimensions: 90 mm (W) x 148 mm (H) x 32 mm (D) / 3.5" x 5.8" 1.3"

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