Content for Intel 4004

Intel 4004

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 8080 Emulator on 4004 Evaluation Board A self-made 4004 experimental board and an 8080 emulator running on it. We have achieved a level of functionality that allows Palo Alot Tiny BASIC to operate almost as it is. Restrictions, etc …

Calculating Pi digits on first Intel microprocessor (intel 4004)

“Introduction One day I thought about the performance gap between the first Intel processor and modern machines. Of course, we can try to do some estimations empirically – we know clock rate and how the pipeline is organized and what features …