AMD EPYC 7643P 's Advantages
Released 7 months late
Larger L3 cache size (256MB vs 45MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (225W vs 270W)
Intel Xeon w5 3435X 's Advantages
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.1GHz vs 2.3GHz)