Intel Xeon Phi 7210F 's Advantages
Released 1 years and 9 months late
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 1686 v3 's Advantages
Higher specification of memory (2133 vs 4)
Higher base frequency (2.6GHz vs 1.3GHz)
Lower TDP (135W vs 230W)