Intel Xeon E3 1220 v2 's Advantages
Released 4 years and 9 months late
Newer PCIe version (3 vs 1)
Higher base frequency (3.1GHz vs 3GHz)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (69W vs 95W)
Opteron 8222 's Advantages
Higher specification of memory (667 vs 3)