AMD EPYC 4564P 's Advantages
Released 8 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)
AMD EPYC 7663P 's Advantages
Larger L3 cache size (256MB vs 64MB)