AMD EPYC 7251 's Advantages
Lower TDP (120W vs 170W)
EPYC 4585PX 's Advantages
Released 7 years and 11 months late
Higher specification of memory (5600 vs 2400)
Newer PCIe version (5 vs 3)
Higher base frequency (4.3GHz vs 2.1GHz)
Larger L3 cache size (128MB vs 32MB)
More modern manufacturing process (4nm vs 14nm)