AMD EPYC 7543P 's Advantages
Higher base frequency (2.8GHz vs 1.9GHz)
Larger L3 cache size (256MB vs 108MB)
Lower TDP (225W vs 250W)
Xeon 6766E 's Advantages
Released 3 years and 3 months late
Higher specification of memory (DDR5-6400 vs DDR4-3200)
Newer PCIe version (5 vs 4)