AMD EPYC 7663P 's Advantages
Released 6 years and 3 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 64MB)
More modern manufacturing process (7nm vs 14nm)
AMD EPYC 7601 's Advantages
Higher base frequency (2.2GHz vs 2GHz)
Lower TDP (180W vs 240W)