Intel Xeon E5503 's Advantages
Released 3 years and 7 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (2 vs 1)
More modern manufacturing process (45nm vs 90nm)
Lower TDP (80W vs 95W)
Opteron 2214 (F3) 's Advantages
Higher base frequency (2.2GHz vs 2GHz)