Intel Xeon E3 1231 v3 's Advantages
Higher base frequency (3.4GHz vs 1.4GHz)
Lower TDP (80W vs 230W)
Intel Xeon Phi 7250F 's Advantages
Released 2 years and 1 months late
Higher specification of memory (DDR4 vs DDR3-1600)
More modern manufacturing process (14nm vs 22nm)