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 3.5GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 1620 v3 's Advantages
Larger L3 cache size (10MB vs 8.25MB)