Procesador Fecha de presentacion Velocidad del reloj Ancho de Bus Nº de transistores Mem. Virtual4004 1971 108 khz 4 bits 2.3008008 1972 108 khz 8 bits 3.5008080 1974 2 mhz 8 bits 6.0008086 1978 5, 8, 10 mhz 16 bits 29.0008088 1979 5, 8 mhz 8 bits 29.00080286 1982 8, 10, 12 mhz 16 bits 134.000 1 GigabyteIntel 386 Dx 1985 16, 20, 25, 33 mhz 32 bits 275.000 64 TbytesIntel 386 Sx 1988 16, 20 mhz 16 bits 275.000 64 TbytesIntel 486 Sx 1989 25, 33, 50 mhz 32 bits 1.185.000 64 TbytesIntel 486 Dx 1991 16, 20, 25, 33 mhz 32 bits 1.185.000 64 TbytesCore 2 Duo 2006 3.33 ghz 64 bits 400 m 64 TbytesCore 2 Quad 2007 3 ghz 64 bits 800 m 64 TbytesCore 2007 2.33 ghz 64 bits 100 m 64 TbytesPentium 1993 60, 66, 75, 90, 100, 120, 133, 150, 166, 200 mhz32 bits 3.2 m 64 TbytesPentium Pro 1994 150, 180, 200 mhz 64 bits 5.5 m 64 TbytesPentium II 1997 233, 266, 300 mhz 64 bits 7.5 m 64 TbytesPentium M 2001 1700 mhz 64 bits 140 m 4 Gbytes