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Can you crossfire 2 different ATI cards

post #1 of 23
Thread Starter 
I have an XFX ATI 5850 and was wondering if I would benefit from buying a newer card and crossfire them for instance:
5850 with a 6850,6870, or 6950, 6970.
Would there be any problems, or conflicts?
Would it even be worth it?
Would there be a performance hit?

Can it even be done?
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post #2 of 23
Different brands yes, but they have to be of the same grouping. 68xx with 68xx, 69xx with 69xx, etc etc.

CF_combo_chart.jpg
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post #3 of 23
Thread Starter 
Quote:
Originally Posted by tsm106;13749172 
Different brands yes, but they have to be of the same grouping.

SO I could NOT crossfire 5850 with a better card?
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post #4 of 23
A 5850 can be crossfired with a 5970, 5870, 5850, 5830.
The card has to be in the same series (with the exception of the 5970 actually being in the 5800 series as far as I know.)


http://game.amd.com/us-en/content/images/crossfirex/CF_combo_chart.jpg
    
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post #5 of 23
You could, with a 5870. Basically, the first two numbers have to match.
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post #6 of 23
they have to be all 5xxx or 6xxx cards... you cannot crossfire a 5xxx with a 6xxx card
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post #7 of 23
Thread Starter 
Quote:
Originally Posted by badatgames18;13749195 
they have to be all 5xxx or 6xxx cards... you cannot crossfire a 5xxx with a 6xxx card

That is what I needed to know. I figured I could not crossfire the 5850 with 6xxx cards but was unsure. Thanks
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post #8 of 23
Quote:
Originally Posted by badatgames18;13749195 
they have to be all 5xxx or 6xxx cards... you cannot crossfire a 5xxx with a 6xxx card

They also have to be in the same family.

A 6950 can't be crossfired with a 6850. Just as a 5850 can't be crossfired with a 5750.


Another 5850 would be your best option. A 5870 would downclock to the speeds of your 5850 and your 5850 would downclock to the speeds of a 5830.
    
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post #9 of 23
Quote:
Originally Posted by zalittle;13749202 
That is what I needed to know. I figured I could not crossfire the 5850 with 6xxx cards but was unsure. Thanks

He's wrong.
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post #10 of 23
Quote:
Originally Posted by tsm106;13749211 
He's wrong.

Just a little. ^_^
    
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