Intel Xeon E3 1220L 's Advantages
Higher base frequency (2.2GHz vs 1.7GHz)
Lower TDP (20W vs 32W)
Opteron A1150 's Advantages
Released 4 years and 9 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (8MB vs 3MB)
More modern manufacturing process (28nm vs 32nm)