Opteron 8222 SE 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (3GHz vs 2.9GHz)
Lower TDP (120W vs 130W)
Intel Xeon E5 2667 's Advantages
Released 4 years and 11 months late
Newer PCIe version (3 vs 1)
More modern manufacturing process (32nm vs 90nm)