Intel Xeon E5 4603 's Advantages
Newer PCIe version (3 vs 2)
Larger L3 cache size (10MB vs 8MB)
Opteron 4310 EE 's Advantages
Released 7 months late
Higher specification of memory (DDR3-1600 vs DDR3)
Higher base frequency (2.2GHz vs 2GHz)
Lower TDP (35W vs 95W)