Intel Xeon E5 1681 v3 's Advantages
Higher base frequency (2.9GHz vs 2.8GHz)
Lower TDP (135W vs 195W)
Intel Xeon Gold 6526Y 's Advantages
Released 9 years and 3 months late
Higher specification of memory (5200 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (37.5MB vs 25MB)
More modern manufacturing process (10nm vs 22nm)