Intel Xeon W 2191B 's Advantages
Released 3 years and 3 months late
Higher specification of memory (2666 vs 1866)
Larger L3 cache size (24.75MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 1607 v3 's Advantages
Higher base frequency (3.1GHz vs 2.3GHz)