Opteron 8222 SE 's Advantages
Higher base frequency (3GHz vs 2.6GHz)
Intel Xeon E5 2689 's Advantages
Released 4 years and 11 months late
Higher specification of memory (1600 vs 667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (115W vs 120W)