Intel Xeon Phi 31S1P 's Advantages
Released 6 years and 10 months late
Higher specification of memory (4 vs 2)
More modern manufacturing process (22nm vs 90nm)
Opteron 2220 SE (F3) 's Advantages
Higher base frequency (2.8GHz vs 1.1GHz)
Lower TDP (119W vs 270W)