AMD EPYC 7451 's Advantages
Released 5 years and 7 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (64MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Opteron 6276 's Advantages
Lower TDP (115W vs 180W)