AMD EPYC 7663 's Advantages
More modern manufacturing process (7nm vs 10nm)
Lower TDP (240W vs 350W)
Intel Xeon Platinum 8580 's Advantages
Released 2 years and 9 months late
Higher specification of memory (5600 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (300MB vs 256MB)