Intel Xeon E5 2637 v2 's Advantages
Higher base frequency (3.5GHz vs 2GHz)
Lower TDP (130W vs 270W)
Intel Xeon Platinum 8581V 's Advantages
Released 10 years and 3 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (300MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)