Opteron 2220 's Advantages
Lower TDP (95W vs 135W)
Intel Xeon E5 2667 v3 's Advantages
Released 7 years and 7 months late
Higher specification of memory (2133 vs 2)
Newer PCIe version (3 vs 1)
Higher base frequency (3.2GHz vs 2.8GHz)
More modern manufacturing process (22nm vs 90nm)