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Originally Posted by jman1310
the whole point of having dual cores is that you can multi-task with no performance hit. Joe stated earlier that he frequently games while encoding. On a dual cpu machine this is fine, however, because each has it's own memory. multi-tasking on a dual core will not yield similiar results, because each is using the same pipeline.
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SMP boxes do not have their own memory per chip... They use the same memory and the same memory bus. This is why cache coherency and similar issues become such a problem. I don't see why a dual core is any worse than SMP, if anything it's better because it has the potential for a high bandwidth path between the CPUs as in AMD's solution.