AMD EPYC 7663P 's Advantages
Released 10 months late
Lower TDP (240W vs 290W)
AMD EPYC 9454P 's Advantages
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.75GHz vs 2GHz)
More modern manufacturing process (5nm vs 7nm)