Opteron 2220 SE (F2) 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Lower TDP (119W vs 135W)
Intel Xeon E5 1691 v3 's Advantages
Released 8 years and 1 months late
Higher specification of memory (2133 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)