Процессор amd ryzen 9 7900x3d am5 oem July 8, 2019 16 32 64 128 Am5 ryzen 9 7900x Amd ryzen 9 7900x3d test Amd ryzen 9 7900x3d vs amd ryzen 9 7950x Amd ryzentm 9 7900x 12-core