AMD EPYC 9655 's Advantages
Released 5 years and 1 months late
Higher specification of memory (6000 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (384MB vs 256MB)
More modern manufacturing process (4nm vs 7nm)
AMD EPYC 7H12 's Advantages
Lower TDP (280W vs 400W)