AMD EPYC 7251 's Advantages
Lower TDP (120W vs 160W)
AMD EPYC 8224P 's Advantages
Released 6 years and 3 months late
Higher specification of memory (DDR5-4800 vs DDR4-2400)
Newer PCIe version (5 vs 3)
Higher base frequency (2.55GHz vs 2.1GHz)
Larger L3 cache size (64MB vs 32MB)
More modern manufacturing process (5nm vs 14nm)