Opteron A1120 's Advantages
Released 4 years and 11 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (28nm vs 32nm)
Lower TDP (25W vs 130W)
Intel Xeon X5687 's Advantages
Higher base frequency (3.6GHz vs 1.7GHz)
Larger L3 cache size (12MB vs 8MB)