Opteron 8222 SE 's Advantages
Higher specification of memory (667 vs 3)
Intel Xeon E3 1275 's Advantages
Released 4 years late
Newer PCIe version (3 vs 1)
Higher base frequency (3.4GHz vs 3GHz)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (95W vs 120W)