Intel Xeon W 2191B 's Advantages
Released 5 years and 7 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (24.75MB vs 20MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5 4650 's Advantages
Higher base frequency (2.7GHz vs 2.3GHz)
Lower TDP (130W vs 140W)