Intel Xeon E5 4650 v3 's Advantages
Larger L3 cache size (30MB vs 8.25MB)
Lower TDP (105W vs 120W)
Intel Xeon W 2125 's Advantages
Released 2 years and 2 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (4GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 22nm)