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)
Lower TDP (85W vs 95W)
Opteron 8216 (F2) 's Advantages
Higher base frequency (2.4GHz vs 2GHz)