Intel Xeon W 2191B 's Advantages
Released 4 years and 6 months late
Higher specification of memory (2666 vs 1600)
Larger L3 cache size (24.75MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1225 v3 's Advantages
Higher base frequency (3.2GHz vs 2.3GHz)
Lower TDP (84W vs 140W)