Opteron 2220 SE (F3) 's Advantages
Higher base frequency (2.8GHz vs 1.1GHz)
Lower TDP (119W vs 270W)
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)