Question Which combo would be better?

Both of those CPUs can run both of those GPUs no problem.....and you could go with a more powerful GPU than the 580 with both of them.

That being said....I think the 580 combo will be better in games.....as it has the 580 instead of the 570.

The CPU performance of those two CPUs is somewhat close.....about 10% difference in multithread performance.
 
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