Opteron 6274 's Advantages
Released 5 years and 3 months late
Newer PCIe version (2 vs 1)
More modern manufacturing process (32nm vs 90nm)
Opteron 8216 (F2) 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (95W vs 115W)