Intel Xeon E5 2650L v3 's Advantages
Larger L3 cache size (30MB vs 24.75MB)
Lower TDP (65W vs 140W)
Intel Xeon W 2191B 's Advantages
Released 3 years and 3 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (2.3GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 22nm)