AMD EPYC 9634 's Advantages
Released 3 years and 3 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (384MB vs 128MB)
More modern manufacturing process (5nm vs 7nm)
AMD EPYC 7542 's Advantages
Higher base frequency (2.9GHz vs 2.25GHz)
Lower TDP (225W vs 290W)