AMD EPYC 7663 's Advantages
Larger L3 cache size (256MB vs 64MB)
AMD EPYC 8124PN 's Advantages
Released 2 years and 6 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (100W vs 240W)