Opteron 6274 's Advantages
Lower TDP (115W vs 190W)
AMD EPYC 7343 's Advantages
Released 9 years and 4 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (3.2GHz vs 2.2GHz)
Larger L3 cache size (128MB vs 16MB)
More modern manufacturing process (7nm vs 32nm)