Intel Xeon E5 1428L v2 's Advantages
Larger L3 cache size (15MB vs 11MB)
Lower TDP (60W vs 140W)
Intel Xeon W 2145 's Advantages
Released 3 years and 7 months late
Higher specification of memory (DDR4-2666 vs DDR3-1333)
Higher base frequency (3.7GHz vs 2.2GHz)
More modern manufacturing process (14nm vs 22nm)