Intel Xeon W 2145 's Advantages
Released 2 years and 11 months late
Higher specification of memory (2666 vs 1866)
Higher base frequency (3.7GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2640 v3 's Advantages
Larger L3 cache size (20MB vs 11MB)
Lower TDP (90W vs 140W)