Intel Xeon E5 4607 's Advantages
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 8MB)
Lower TDP (95W vs 115W)
Opteron 6344 's Advantages
Released 6 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (2.6GHz vs 2.2GHz)