Intel Xeon E5 4620 's Advantages
Lower TDP (130W vs 250W)
Intel Xeon Gold 6542Y 's Advantages
Released 11 years and 7 months late
Higher specification of memory (5200 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.9GHz vs 2.2GHz)
Larger L3 cache size (60MB vs 16MB)
More modern manufacturing process (10nm vs 32nm)