Xeon E7 2803 's Advantages
Larger L3 cache size (18MB vs 8MB)
Opteron A1170 's Advantages
Released 4 years and 9 months late
Higher specification of memory (1866 vs 1333)
Higher base frequency (2GHz vs 1.733GHz)
More modern manufacturing process (28nm vs 32nm)
Lower TDP (32W vs 105W)