CPU: Custom 8-bit Sharp x80 core at 4.19 MHz which is similar to an Intel8080 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 kByte internal S-RAM
Video RAM: 8 kByte internal
ROM: On-CPU-Die 256-byte bootstrap; 256 kbit, 512 kbit, 1 Mbit, 2 Mbit and 4 Mbit and 8 Mbit 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
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 2 Game Boys can be linked together via serial ports
Power: 6 V, 0.7 W (4 AA batteries provide ~35 hours)
Dimensions: 90mm(W) × 148mm(H) × 32mm(D)/3.5 × 5.8 × 1.3 (inch)
