AMD EPYC 7663 's Advantages
Larger L3 cache size (256MB vs 82.5MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (240W vs 350W)
Intel Xeon Platinum 8458P 's Advantages
Released 1 years and 10 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.7GHz vs 2GHz)