Opteron 8222 's Advantages
Higher specification of memory (667 vs 3)
Intel Xeon E3 1225 v2 's Advantages
Released 4 years and 9 months late
Newer PCIe version (3 vs 1)
Higher base frequency (3.2GHz vs 3GHz)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (77W vs 95W)