AMD EPYC 7643P 's Advantages
Released 8 months late
Higher base frequency (2.3GHz vs 2GHz)
Larger L3 cache size (256MB vs 105MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (225W vs 300W)
Intel Xeon Platinum 8460Y 's Advantages
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)