Opteron 8210 EE 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (45W vs 95W)
Intel Xeon X5675 's Advantages
Released 4 years and 6 months late
Newer PCIe version (2 vs 1)
Higher base frequency (3.066GHz vs 1.8GHz)
More modern manufacturing process (32nm vs 90nm)