Opteron A1170 's Advantages
Released 5 years and 10 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (28nm vs 32nm)
Lower TDP (32W vs 60W)
Intel Xeon L5638 's Advantages
Larger L3 cache size (12MB vs 8MB)