Intel Xeon E5 1620 v2 's Advantages
Higher base frequency (3.7GHz vs 1.3GHz)
Lower TDP (130W vs 215W)
Intel Xeon Phi 7210 's Advantages
Released 2 years and 9 months late
Higher specification of memory (DDR4 vs DDR3-1866)
More modern manufacturing process (14nm vs 22nm)