Intel Xeon E3 1290 v2 's Advantages
Higher base frequency (3.7GHz vs 1.3GHz)
Lower TDP (87W vs 250W)
Intel Xeon Phi 7285 's Advantages
Released 5 years and 7 months late
Higher specification of memory (DDR4 vs DDR3)
More modern manufacturing process (14nm vs 22nm)