Microarchitectures from AMD and the highest x86-64 level they support. Some models support less; see the notes in the level column.
MicroarchitectureYearLevelProducts
K8 (Hammer)2003v1Athlon 64, Opteron, Turion 64 and 64-bit Sempron
K10 (Family 10h)2007v1Phenom, Phenom II, Athlon II; Opteron (Barcelona, Shanghai, Istanbul)
Bulldozer2011v2FX-4100, 6100 and 8100; Opteron 4200 and 6200
Piledriver2012v2FX-4300, 6300 and 8300; A-series (Trinity, Richland); Opteron 4300 and 6300
Steamroller2014v2A-series (Kaveri, Godavari); Athlon X4 860K
Excavator2015v3A-series (Carrizo, Bristol Ridge); Athlon X4 845
Zen2017v3Ryzen 1000; Ryzen 2000 APUs; EPYC 7001
Zen+2018v3Ryzen 2000 desktop; Ryzen 3000 APUs
Zen 22019v3Ryzen 3000 desktop; Ryzen 4000 APUs; EPYC 7002
Zen 32020v3Ryzen 5000; EPYC 7003
Zen 42022v4Ryzen 7000 and 8000; EPYC 9004 and 8004
Zen 52024v4Ryzen 9000; Ryzen AI 300; EPYC 9005
Zen 6 announcedQ4 2026v4EPYC 9006 (Venice), announced
Bobcat2011v1E-, C-, G- and Z-series APUs (for example E-350 and C-50)
Jaguar2013v2A4, A6, E1 and E2 APUs (Kabini, Temash); the PlayStation 4 and Xbox One
Puma2014v2A-series and E-series APUs (Beema, Mullins)