Opteron 6380 's Advantages
Released 8 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (2.5GHz vs 2GHz)
Intel Xeon E5 2650 's Advantages
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)
Lower TDP (95W vs 115W)