AMD EPYC 7663 's Advantages
Larger L3 cache size (256MB vs 64MB)
AMD EPYC 4564P 's Advantages
Released 3 years and 2 months late
Higher specification of memory (DDR5-5200 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Higher base frequency (4.5GHz vs 2GHz)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (170W vs 240W)