Opteron 8360 SE (B3) 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (119W vs 130W)
Intel Xeon X5687 's Advantages
Released 2 years and 10 months late
Higher base frequency (3.6GHz vs 2.5GHz)
Larger L3 cache size (12MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)