Opteron 8210 EE 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (45W vs 95W)
Intel Xeon E5 2640 's Advantages
Released 5 years and 7 months late
Newer PCIe version (3 vs 1)
Higher base frequency (2.5GHz vs 1.8GHz)
More modern manufacturing process (32nm vs 90nm)