Xeon w7 3555 's Advantages
Released 3 years and 5 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
AMD EPYC 7543 's Advantages
Higher base frequency (2.8GHz vs 2.7GHz)
Larger L3 cache size (256MB vs 75MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (225W vs 325W)