Xeon E7 2830 's Advantages
Higher base frequency (2.133GHz vs 2GHz)
Larger L3 cache size (24MB vs 8MB)
Opteron A1170 '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)