Intel Xeon E5 2683 v3 's Advantages
Higher specification of memory (DDR4-2133 vs DDR4)
Higher base frequency (2GHz vs 1.4GHz)
Lower TDP (120W vs 215W)
Intel Xeon Phi 7250 's Advantages
Released 1 years and 9 months late
More modern manufacturing process (14nm vs 22nm)