AMD EPYC 7663P 's Advantages
Lower TDP (240W vs 360W)
AMD EPYC 9555 's Advantages
Released 1 years and 1 months late
Higher specification of memory (6000 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.2GHz vs 2GHz)
More modern manufacturing process (4nm vs 7nm)