Opteron 2210 EE 's Advantages
Lower TDP (45W vs 130W)
Xeon W5590 's Advantages
Released 3 years late
Higher specification of memory (1333 vs 2)
Newer PCIe version (2 vs 1)
Higher base frequency (3.333GHz vs 1.8GHz)
More modern manufacturing process (45nm vs 90nm)