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 95W)
Intel Xeon X5672 's Advantages
Higher base frequency (3.2GHz vs 1.7GHz)
Larger L3 cache size (12MB vs 8MB)