Intel Xeon E5 2697 v2 's Advantages
Lower TDP (130W vs 200W)
Intel Xeon w5 2455X 's Advantages
Released 9 years and 5 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2.7GHz)
More modern manufacturing process (10nm vs 22nm)