Intel Xeon Phi 7235 's Advantages
Released 5 years and 7 months late
Higher specification of memory (DDR4 vs DDR3)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1220 v2 's Advantages
Higher base frequency (3.1GHz vs 1.3GHz)
Lower TDP (69W vs 250W)