Intel Xeon E5 1620 v2 's Advantages
Higher base frequency (3.7GHz vs 2.1GHz)
Lower TDP (130W vs 330W)
Intel Xeon Platinum 8558 's Advantages
Released 10 years and 3 months late
Higher specification of memory (5200 vs 1866)
Newer PCIe version (5 vs 3)
Larger L3 cache size (260MB vs 10MB)
More modern manufacturing process (7nm vs 22nm)