Intel Xeon E3 1283L v4 's Advantages
Higher base frequency (2.9GHz vs 1.7GHz)
More modern manufacturing process (14nm vs 28nm)
Opteron A1120 's Advantages
Released 7 months late
Higher specification of memory (1866 vs 1866)
Larger L3 cache size (8MB vs 6MB)
Lower TDP (25W vs 47W)