AMD EPYC 7663P 's Advantages
Released 10 months late
Lower TDP (240W vs 360W)
AMD EPYC 9654P 's Advantages
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (384MB vs 256MB)
More modern manufacturing process (5nm vs 7nm)