Intel Xeon Platinum 8558 's Advantages
Released 8 years and 6 months late
Higher specification of memory (DDR5-5200 vs DDR4-2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (260MB vs 30MB)
More modern manufacturing process (7nm vs 22nm)
Intel Xeon E5 4650 v3 's Advantages
Lower TDP (105W vs 330W)