Intel 386 and 486 microprocesors, 1985 and 1989.
4 0 c m
actual image size: 26cm x 32cm

Intel 386 and 486 microprocesors, 1985 and 1989.

Richardson, Claire

© Science Museum / Science & Society Picture Library


The Intel 386 microprocesor (top) featured 275,000 transistors, more than 100 times as many as the original Intel 4004 microprocesor. It was a 32-bit chip (meaning it could proces 32 bits of information at a time) and could run multiple programs at the same time. The Intel 486, introduced in 1989, was the first procesor to offer a built-in mathematic co-procesor. This increased computing speeds because complex mathematical functions could be procesed away from the central procesor.



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