Opteron 2214 (F3) 's Advantages
Lower TDP (95W vs 115W)
Opteron 6278 's Advantages
Released 5 years and 9 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (2 vs 1)
Higher base frequency (2.4GHz vs 2.2GHz)
More modern manufacturing process (32nm vs 90nm)