Opteron 6168 's Advantages
Released 3 years and 7 months late
Newer PCIe version (2 vs 1)
Higher base frequency (1.9GHz vs 1.8GHz)
More modern manufacturing process (45nm vs 90nm)
Opteron 8210 EE 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (45W vs 115W)