Intel Xeon E7 8850 's Advantages
Larger L3 cache size (30MB vs 8.25MB)
Intel Xeon W 2125 's Advantages
Released 6 years and 4 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Higher base frequency (4GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (120W vs 130W)