Opteron 6274 's Advantages
Lower TDP (115W vs 200W)
AMD EPYC 7552 's Advantages
Released 7 years and 9 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (192MB vs 16MB)
More modern manufacturing process (7nm vs 32nm)