Intel Xeon E5 4660 v3 's Advantages
Lower TDP (120W vs 195W)
Intel Xeon Gold 6526Y 's Advantages
Released 8 years and 6 months late
Higher specification of memory (5200 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.8GHz vs 2.1GHz)
Larger L3 cache size (37.5MB vs 35MB)
More modern manufacturing process (10nm vs 22nm)