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QX9770 bottlenecked by CF 5870's?

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a b U Graphics card
October 9, 2009 11:53:19 PM

I have a QX9770 overclocked to 3.6GHz. Will this CPU will be bottlenecked with 2 5870's in crossfire? I'm running a 24" (1900x1200) monitor. Games like Fallout 3, Farcry 2 and whatever else comes out in the next few years.
a b U Graphics card
October 9, 2009 11:57:52 PM

Yes. There are reviews showing that 5870s are even slightly bottlenecked by an overclocked i7.

However, the bottleneck will not be significant...so with your OCed cpu it should be ok.
a b U Graphics card
October 10, 2009 12:00:31 AM

You'll get close to max fps at maximum settings on those games with a single 5870 so two should certainly do it.
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a b U Graphics card
October 10, 2009 5:17:05 PM
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Fallout 3 and Farcry 2 both play pretty well on my single GTX 260 with Q6600 @ 3.2Ghz, @ 1920X1080. Just installed a second GTX 260 and haven't tried them yet with SLI.

I'd imagine a single 5870 would play those games pretty darn well, let alone two in Crossfire. With the price on the 5870's, were it me, I'd buy a single card and pick up a second one 6+ months from now when the price comes down. Almost no need for two of them right now I'd think.
a b U Graphics card
February 26, 2010 5:24:43 PM

Best answer selected by japps2.
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