Cpu ryzen 9 7900x am5 July 8, 2019 16 32 64 128 Cpu amd ryzen 9 7900x am5 Amd ryzen 9 7900x 12 core am5 cpu/processor Amd cpu ryzen 9 7900x am5 4.7 ghz 64 μβ Am5 ryzen 9 7900x Amd ryzentm 9 7900x 12-core Amd ryzen 9 7900x3d test