Opteron 6282 SE 's Advantages
Released 4 years and 3 months late
Newer PCIe version (2 vs 1)
More modern manufacturing process (32nm vs 90nm)
Opteron 8222 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (3GHz vs 2.6GHz)
Lower TDP (95W vs 140W)