7 Manufacturer: Nintendo Released: 1989 Units sold: 118.69 million (all models) Best-selling game: Tetris CPU: 8-bit Zilog Z80 @ 4.194304 MHz RAM: 8 KB / VRAM: 8 KB Graphics: PPU (embedded in CPU) Resolution: 160×144 pixels, 4 shades of "gray" Sound: 4 channels, stereo Cart size: 32 KB to 1 MB