Intel Xeon E5 2680 v3 's Advantages
Higher base frequency (2.5GHz vs 1.3GHz)
Lower TDP (120W vs 250W)
Intel Xeon Phi 7285 's Advantages
Released 3 years and 3 months late
Higher specification of memory (DDR4 vs DDR3)
More modern manufacturing process (14nm vs 22nm)