AMD EPYC 7251 's Advantages
Lower TDP (120W vs 155W)
AMD EPYC 7F52 's Advantages
Released 2 years and 10 months late
Higher specification of memory (DDR4-3200 vs DDR4-2400)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 2.1GHz)
Larger L3 cache size (256MB vs 32MB)
More modern manufacturing process (7nm vs 14nm)