The Number of Transistors on an Intel CPU



Intel CPU name The Year it was made Number of Transistors Size of Transistor (1,000,000 microns = 1 meter)

4004

1971

2,300 10 microns
8008 1972 3,500 10 microns
8080 1974 6,000 6 microns
8086 1978 29,000 3 microns
80286 1982 134,000 1.5 microns
80386 1985 275,000 1.5 microns
80486 1989 1.2 million 1.0 microns
Pentium 1993 3.1 million 0.8 microns
Pentium Pro 1995 5.5 million 0.8 and 0.6 microns
Pentium II 1997 7.5 million 0.35 and 0.28 microns



Updated on June 6, 1999
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