Opteron 2222 's Advantages
Lower TDP (95W vs 130W)
Intel Xeon E5 1620 v2 's Advantages
Released 6 years and 1 months late
Higher specification of memory (1866 vs 2)
Newer PCIe version (3 vs 1)
Higher base frequency (3.7GHz vs 3GHz)
More modern manufacturing process (22nm vs 90nm)