Opteron 6168 's Advantages
Released 3 years and 7 months late
Newer PCIe version (2 vs 1)
More modern manufacturing process (45nm vs 90nm)
Opteron 8216 HE (F3) 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (2.4GHz vs 1.9GHz)
Lower TDP (68W vs 115W)