

- CPU: Custom 8-bit Sharp x80 core at 4.19 MHz which is similar to an Intel 8080? in that all of the registers introduced in the Z80 are not present. However, some of the instruction set enhancements from the Z80, particularly bit manipulation are present. Still other instructions are unique to this particular flavor of x80 CPU. The core also contains integrated sound generation
- RAM: 8 KB internal S-RAM
- 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 Waves, 1 programmable 32-sample 4-bit PCM Wave, 1 White noise. The unit only has one speaker, but headphones provide stereo sound (for further information, see Game Boy music)
- Display: Reflective LCD 160 × 144 pixels
- Screen size: 66 mm (2.6 in) diagonal
- Color Palette: 4 shades of gray (green to (very) dark green)
- Communication: Up to 4 Game Boys can be linked together via serial ports
- Power: 6 V, 0.7 W (4 AA batteries provide #35 hours)
- Dimensions: 90 mm(W) × 148 mm(H) × 32 mm(D)/3.5 × 5.8 × 1.3 (in)
As of March 31, 2005, the Game Boy and Game Boy Color combined have sold 118.69 million units worldwide.