Intel Xeon X5687 's Advantages
Released 1 years and 8 months late
Higher base frequency (3.6GHz vs 2.7GHz)
Larger L3 cache size (12MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)
Opteron 1385 's Advantages
Higher specification of memory (1333 vs 3)
Lower TDP (115W vs 130W)