List of AMD CPU microarchitectures
The following is a list of AMD CPU microarchitectures. == Nomenclature == Historically, AMD's CPU families were given a "K-number" (which originally stood for Kryptonite, an allusion to the Superman comic book character's fatal weakness) starting with their first internal x86 CPU design, the K5, to represent generational changes.
Source: Wikipedia — List of AMD CPU microarchitectures (CC BY-SA 4.0)