Intel Xeon E3 1275 v2 's Advantages
Released 5 years and 1 months late
Newer PCIe version (3 vs 1)
Higher base frequency (3.5GHz vs 3GHz)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (77W vs 120W)
Opteron 8222 SE 's Advantages
Higher specification of memory (667 vs 3)