Intel Xeon E5 4660 v3 's Advantages
Higher base frequency (2.1GHz vs 1.9GHz)
Lower TDP (120W vs 350W)
Intel Xeon w9 3495X 's Advantages
Released 7 years and 8 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (105MB vs 35MB)
More modern manufacturing process (10nm vs 22nm)