Opteron A1150 's Advantages
Released 4 years and 9 months late
Higher specification of memory (1866 vs 1333)
More modern manufacturing process (28nm vs 32nm)
Lower TDP (32W vs 105W)
Xeon E7 4820 's Advantages
Higher base frequency (2GHz vs 1.7GHz)
Larger L3 cache size (18MB vs 8MB)