AMD EPYC 7663 's Advantages
Released 2 years and 3 months late
Higher specification of memory (3200 vs 4)
Larger L3 cache size (256MB vs 16.5MB)
More modern manufacturing process (7nm vs 14nm)
Xeon Platinum 8256 's Advantages
Higher base frequency (3.8GHz vs 2GHz)
Lower TDP (105W vs 240W)