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Old 12-23-2011, 10:09 AM   #4 (permalink)
snowsurfer
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Default Re: Crossfire question

Don't worry about lane speed, you can check out this article from Tom's, but basically this is what you want to know (taken from that article, (c) tomshardware.com):

While we did see a fairly large difference between x8 and x16 slots when a single card was used, adding a second card shifted our limit to CPU performance. That is to say, for most of today’s tests, a faster CPU would be far more important than dual x16 slots in achieving the ultimate SLI performance.

That answer presents its own set of questions, since our high-flying Core i7 CPU was already pushed to 4.00 GHz. Most builders simply can’t go much higher with a daily-use gaming machine.
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