Intel Xeon E5 4640 's Advantages
Released 5 years and 9 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (3 vs 1)
Higher base frequency (2.4GHz vs 1.8GHz)
More modern manufacturing process (32nm vs 90nm)
Opteron 2210 EE 's Advantages
Lower TDP (45W vs 95W)