Stone to Silicon

Computing · 1971

Microprocessor (Intel 4004)

A whole computer processor on one chip.

Intel's 4004, designed by Federico Faggin, Ted Hoff and Masatoshi Shima for a Busicom calculator, packed 2,300 transistors at 740 kHz. It made programmable intelligence cheap enough to put in almost anything.

See it in the living treeWikipedia

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 2

What it led to 15

Related measurements

The dashed line marks when it first worked.

Transistors per microprocessor Latest: 58.2B transistors (2021) Source: Our World in Data

Computation per constant dollar, 1850-2006 Latest: 7.3B million units of computer power per 2006 $ (2003) Source: Nordhaus 2007, Two Centuries of Productivity Growth in Computing, J. Econ. Hist. 67(1), Table 6