Intel Xeon E5 2686 v3 's Advantages
Larger L3 cache size (45MB vs 22.5MB)
Lower TDP (120W vs 165W)
Intel Xeon w3 2435 's Advantages
Released 8 years and 5 months late
Higher specification of memory (4400 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.1GHz vs 2GHz)
More modern manufacturing process (10nm vs 22nm)