7 Manufacturer : Sony Computer Entertainment Year of Release : 1994 Units sold : 102.48 million Best-selling game : Gran Turismo CPU : 32-bit R3000A RISC running at 33.8688 Mhz RAM : 16 Mbits Picture Processor Unit : 32-bit Video RAM : 8 Mbits Audio RAM : 4 Mbits GPU : GFX processor unit