Intel Xeon E5 2663 v3 's Advantages
Higher specification of memory (2133 vs 4)
Higher base frequency (2.8GHz vs 1.4GHz)
Lower TDP (105W vs 230W)
Intel Xeon Phi 7250F 's Advantages
Released 1 years and 9 months late
More modern manufacturing process (14nm vs 22nm)