Intel Xeon E5 2620 's Advantages
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 8MB)
Opteron 4310 EE 's Advantages
Released 9 months late
Higher specification of memory (1600 vs 3)
Higher base frequency (2.2GHz vs 2GHz)
Lower TDP (35W vs 95W)