Opteron 4386 's Advantages
Lower TDP (95W vs 200W)
AMD EPYC 9255 's Advantages
Released 11 years and 10 months late
Higher specification of memory (6000 vs 3)
Higher base frequency (3.25GHz vs 3.1GHz)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (4nm vs 32nm)