The Intel 4040 microprocessor was the successor to the Intel 4004, introduced in 1974. The 4040 employed a 10 μm silicon gate enhancement-load PMOS technology, was made up of 3,000 transistors and could execute approximately 62,000 instructions per second.
The ceramic C4040 variant
The ceramic D4040 variant
The plastic P4040 variant
The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971. Sold for US$60, it was the first commercially produced microprocessor, and the first in a long line of Intel CPUs.
Intel C4004 processor with grey traces
Intel 4004 CPU and associated chips on the circuit board from a Busicom calculator
The Unicom 141P is an OEM version of the Busicom 141-PF.
Intel 4004 advertisement in Electronic News magazine from 1971