Intel Xeon E5 2643 v2 's Advantages
Higher base frequency (3.5GHz vs 2.5GHz)
Lower TDP (130W vs 225W)
Intel Xeon w7 2495X 's Advantages
Released 9 years and 5 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (45MB vs 15MB)
More modern manufacturing process (10nm vs 22nm)