AMD EPYC 9455 's Advantages
Released 14 years and 7 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (3.15GHz vs 1.9GHz)
Larger L3 cache size (192MB vs 12MB)
More modern manufacturing process (4nm vs 45nm)
Opteron 6168 's Advantages
Lower TDP (115W vs 300W)