Opteron 6276 's Advantages
Lower TDP (115W vs 130W)
AMD EPYC 7303P 's Advantages
Released 11 years and 10 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (2.4GHz vs 2.3GHz)
Larger L3 cache size (64MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)