Opteron 6274 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR3 vs DDR2)
Newer PCIe version (2 vs 1)
More modern manufacturing process (32nm vs 90nm)
Opteron 2216 (F2) 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (95W vs 115W)