Intel Xeon Platinum 8558 's Advantages
Higher specification of memory (DDR5-5200 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (260MB vs 256MB)
AMD EPYC 7663P 's Advantages
Lower TDP (240W vs 330W)