Intel Xeon E5 1620 v3 's Advantages
Higher base frequency (3.5GHz vs 2.8GHz)
Lower TDP (140W vs 230W)
Intel Xeon Gold 6342 's Advantages
Released 6 years and 7 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (36MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)