Intel Xeon W 2191B 's Advantages
Released 3 years and 3 months late
Higher specification of memory (2666 vs 2133)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2695 v3 's Advantages
Larger L3 cache size (35MB vs 24.75MB)
Lower TDP (120W vs 140W)