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Old December 15, 2013, 11:51 AM
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Default Does crossfire benefit gpu perfomance?

Hi,

I posted a thread a few days about whether my rig could actually handle crossfire well or not. And in the end we concluded that it can. My rig is

Cpu: i7-4770k 3.5 ghz
PowerSupply:950w
Ram:8gb
Video Card :hd 7970 oc boost
Resolution: 1920x1080

Now i hear that many people have problems with their crossfire system. E.x the games have massive stuttering, lags a lot e.t.c.

And iam asking you guys if crossfire is an advantage or not because i don't want to have stuttering or anything else? Should i make a crossfire system?

Thanks.
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Old December 15, 2013, 12:28 PM
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It will still be an advantage as long as its a game that supports crossfire (most do). AMD did some good work on drivers recently for single cards to get rid of most of the issues. I remember reading that they are supposed to have a new driver coming out soon that is suppose to give similar improvements to crossfire setups. Multi card setups will always be more prone to issues then single cards though.
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Old December 16, 2013, 04:46 AM
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I run BF4 with a 280x and 7970 in crossfire. The benefit is small but definitely noticeable. One card will run ultra settings just fine(everything maxed), however it will hover around 45fps with just one. 2 cards makes it a solid 60fps but the gain is not significant. I would have expected 80-90s fps atleast but I guess thats not how it works.
I have 2x270x on the way from newegg. I am going to see how they compare in crossfire compared to the above setup. If they can game close to what my 280x/7970 crossfire can I may as well retire those cards to mining solely and use the 270x for gaming.
I do have another 7970 in my HTPC right now. I wonder how bf4 would perform in 3 way crossfire? lol
sadly my psu is 850w, no way it'd run 3 cards.
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