Game Boy Technical Data

The copy of Pan Docs hosted on this wiki is considered deprecated.

Pan Docs is now officially hosted on gbdev.io as a living document. Please go to https://gbdev.io/pandocs/ to read Pan Docs or to https://github.com/gbdev/pandocs to contribute.

Click here to go to this section of Pan Docs in the new location: https://gbdev.io/pandocs/#specifications

• CPU - 8-bit Sharp LR25902 (similar to the Z80 processor)
• Clock Speed - 4.194304MHz (4.295454MHz for SGB, max. 8.4MHz for CGB)
• Work RAM - 8K Byte (32K Byte for CGB)
• Video RAM - 8K Byte (16K Byte for CGB)
• Screen Size - 2.6"
• Resolution - 160x144 (20x18 tiles)
• Max sprites - Max 40 per screen, 10 per line
• Sprite sizes - 8x8 or 8x16 pixels
• Palettes - 1x4 BG, 2x3 OBJ (for CGB: 8x4 BG, 8x3 OBJ)
• Colors - 4 grayshades (32768 colors for CGB)
• Horiz Sync - 9198 KHz (9420 KHz for SGB)
• Vert Sync - 59.73 Hz (61.17 Hz for SGB)
• Sound - 4 channels with stereo sound
• Power - DC6V 0.7W (DC3V 0.7W for GB Pocket, DC3V 0.6W for CGB)