Tom's Hardware > Forum > Graphic & Displays > ATI > Can i Crossfire my X1950Pro with a HD3870?

Can i Crossfire my X1950Pro with a HD3870?

Forum Graphic & Displays : ATI - Can i Crossfire my X1950Pro with a HD3870?

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darkguset   11-26-2007 at 12:28:27 AM

Just wondering if Crossfire works between the X19xx and HD3xxx generations?

And what about subgens like a HD3850 with a HD3870?

Does anyone know if it works?

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randomizer   11-26-2007 at 12:56:49 AM
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I don't think even Hybrid Crossfire will allow that much of a difference, though I'm not totally sure. I think it was meant to be same card, different clock speeds or something.

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vaker5   11-26-2007 at 01:51:29 AM
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Dx 10 and dx 9 cards, could be some conflict there...

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randomizer   11-26-2007 at 02:31:38 AM
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If running in DX10 mode yes, but in DX9 mode that conflict wouldn't exist. I really don't think it will work, perhaps a HD3850 and HD3870 would though. Still, it's worth a shot.

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darkguset   11-26-2007 at 03:35:14 AM
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Has anyone tried it already? Or should i email ATI and see what their response is?

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yipsl   11-26-2007 at 03:44:40 AM
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I was under the impression that you needed a Crossfire master with the X1900 series. That might prevent Crossfire from working between generations.

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frozenlead   11-26-2007 at 04:41:56 AM
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even if you did do it, i'm not sure you'd gain much more from the 38xx over a 2x1900. the 38xx would have to slow down to match the 1900.

i could be wrong..i don't know much about dual card setups.

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Slobogob   11-26-2007 at 04:59:20 AM
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Usually crossfire only works with cards that have the same GPU. A 3870 and a 3850 will work (same Chip). A 1950 and a 3850 won't.

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