Katherine the Sixth on X: "Here's an AMD K5. Notable for being the first AMD x86-compatible they designed from the ground up. Also originated the fucking PR system - it's a “PR166”
AMD - From humble beginnings 😇 On the left you can see an AMD K5 PR133 from 1996 in the 0.35 micrometre manufacturing process with a core and clock rates from 90
![Timisoara, Romania - October 17, 2020: Close-up of an AMD-K6-2/450AFX processor, 333 MHz, Socket 7 with sand in the background Stock Photo - Alamy Timisoara, Romania - October 17, 2020: Close-up of an AMD-K6-2/450AFX processor, 333 MHz, Socket 7 with sand in the background Stock Photo - Alamy](https://c8.alamy.com/comp/2DAP8EF/timisoara-romania-october-17-2020-close-up-of-an-amd-k5-pr100abq-processor-100-mhz-socket-7-with-sand-in-the-background-2DAP8EF.jpg)