Intel Xeon E5 2687W 's Advantages
Higher base frequency (3.1GHz vs 1.7GHz)
Larger L3 cache size (20MB vs 8MB)
Opteron A1120 's Advantages
Released 3 years and 10 months late
Higher specification of memory (1866 vs 3)
More modern manufacturing process (28nm vs 32nm)
Lower TDP (25W vs 150W)