Opteron 6386 SE 's Advantages
Higher base frequency (2.8GHz vs 2.3GHz)
Intel Xeon E5 2669 v3 's Advantages
Released 2 years and 2 months late
Higher specification of memory (DDR3 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 8MB)
Lower TDP (120W vs 140W)