Xeon E5 2650 v4 's Advantages
Higher base frequency (2.2GHz vs 2GHz)
Lower TDP (105W vs 205W)
Intel Xeon Gold 5420 's Advantages
Released 6 years and 10 months late
Higher specification of memory (4400 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (52.5MB vs 30MB)
More modern manufacturing process (10nm vs 14nm)