Xeon EC5509 's Advantages
Released 3 years and 6 months late
Higher specification of memory (1066 vs 667)
Newer PCIe version (2 vs 1)
More modern manufacturing process (45nm vs 90nm)
Opteron 8214 HE (F2) 's Advantages
Higher base frequency (2.2GHz vs 2GHz)
Lower TDP (68W vs 85W)