6 Manufacturer : Nintendo Year of Release : 1989 Units sold : 118.69 million Best-selling game : Tetris CPU : 8-bit Zilog Z80 @ 4.194304MHz RAM : 8kB / VRAM : 8kB Video : PPU (embedded in CPU) Resolution : 160x144 pixels, 4 shades of "gray" Sound : 4 channels stereo sound Cart Size : 32kB - 1MB