Opteron 6344 's Advantages
Released 6 years and 3 months late
Higher specification of memory (1866 vs 667)
Newer PCIe version (2 vs 1)
Higher base frequency (2.6GHz vs 2.2GHz)
More modern manufacturing process (32nm vs 90nm)
Opteron 8214 HE (F2) 's Advantages
Lower TDP (68W vs 115W)