Intel Xeon W 2135 's Advantages
Released 2 years and 11 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (3.7GHz vs 3GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 1660 v3 's Advantages
Larger L3 cache size (20MB vs 8.25MB)