Intel Xeon E3 1280 v3 's Advantages
Released 6 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 2.2GHz)
More modern manufacturing process (22nm vs 32nm)
Opteron 4310 EE 's Advantages
Higher specification of memory (1600 vs 4)
Lower TDP (35W vs 82W)