Intel Xeon E5 2649 v3 's Advantages
Lower TDP (105W vs 195W)
Intel Xeon Gold 6526Y 's Advantages
Released 9 years and 3 months late
Higher specification of memory (DDR5-5200 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.8GHz vs 2.3GHz)
Larger L3 cache size (37.5MB vs 25MB)
More modern manufacturing process (10nm vs 22nm)