Intel Xeon E5 1620 's Advantages
Lower TDP (130W vs 195W)
Intel Xeon Gold 6434 's Advantages
Released 10 years and 10 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.7GHz vs 3.6GHz)
Larger L3 cache size (22.5MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)