Intel Xeon w7 3455 's Advantages
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.5GHz vs 2GHz)
AMD EPYC 7663P 's Advantages
Released 7 months late
Larger L3 cache size (256MB vs 67.5MB)
Lower TDP (240W vs 270W)