Intel Xeon E5 4650 's Advantages
Higher base frequency (2.7GHz vs 2.5GHz)
Lower TDP (130W vs 185W)
Intel Xeon Gold 6426Y 's Advantages
Released 10 years and 8 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (37.5MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)