Intel Xeon W 2133 's Advantages
Released 2 years and 11 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (3.6GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2686 v3 's Advantages
Larger L3 cache size (45MB vs 8.25MB)
Lower TDP (120W vs 140W)