Opteron 8212 HE (F2) 's Advantages
Lower TDP (68W vs 85W)
Xeon EC5549 's Advantages
Released 3 years and 6 months late
Higher specification of memory (1333 vs 667)
Newer PCIe version (2 vs 1)
Higher base frequency (2.533GHz vs 2GHz)
More modern manufacturing process (45nm vs 90nm)