Opteron 8214 HE (F2) 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (2.2GHz vs 1.9GHz)
Lower TDP (68W vs 115W)
Opteron 6168 's Advantages
Released 3 years and 7 months late
Newer PCIe version (2 vs 1)
More modern manufacturing process (45nm vs 90nm)