Intel Xeon W 2140B 's Advantages
Released 4 years and 6 months late
Higher specification of memory (2666 vs 1600)
Larger L3 cache size (11MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1240 v3 's Advantages
Higher base frequency (3.4GHz vs 3.2GHz)
Lower TDP (80W vs 120W)