Opteron 6308 's Advantages
Higher base frequency (3.5GHz vs 3.05GHz)
Lower TDP (115W vs 240W)
AMD EPYC 7373X 's Advantages
Released 9 years and 4 months late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 2)
Larger L3 cache size (768MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)