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)
Intel Xeon E5 2650 's Advantages
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)