AMD EPYC 9655P 's Advantages
Released 12 years and 11 months late
Higher specification of memory (6000 vs 1600)
Newer PCIe version (5 vs 2)
Larger L3 cache size (384MB vs 8MB)
More modern manufacturing process (4nm vs 32nm)
Opteron 6238 's Advantages
Lower TDP (115W vs 400W)