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crossfire questions

post #1 of 18
Thread Starter 
so ive heard that crossfire differs from SLi by not having to have 2 of the same video cards. so i could take my X850XT and pair it with a crossfire edition X1600 and it would work?
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post #2 of 18
According to ATI, yes...it should work.

Stupid question: is the X850 PCI-E?
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post #3 of 18
Thread Starter 
yea
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post #4 of 18
no, you need matched cards for crossfire, or atleast cards from the same series


you'll need an x850CF master card to pair with an x850 series card in crossfire


you'll find that the x850 is actually a better card than the x1600 in many cases, the x1600 is basically the equiv. of the old x600 or x700
    
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post #5 of 18
Then yes, all you would need is a crossfire master card. (Remember, "crossfire edition" not "crossfire ready")

Like this one: http://www.buyxg.com/store/item.asp?key=VC-149-103

I dont think they make a cf edition x1600 (but I have been wrong before)
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post #6 of 18
Quote:
Originally Posted by CrimsonMango
no, you need matched cards for crossfire, or atleast cards from the same series


you'll need an x850CF master card to pair with an x850 series card in crossfire


you'll find that the x850 is actually a better card than the x1600 in many cases, the x1600 is basically the equiv. of the old x600 or x700
Not from what I have read and understand. As long as one card is crossfire ready, and the other card is a crossfire edition.


***EDIT

I stand corrected. Originally ATI reported the ability to use different series cards to run crossfire...but I just read up some more and Crimson is completely correct.
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post #7 of 18
Actually thats not quite right, what is meant by you don't have to have two of the same card is this: for SLI you have to have the EXACT same cards, same brand, same video bios, same everything, for Crossfire you need a crossfire card of the same "class" as the regular card but not of the same maker or speed. For example you can have an x850 crossfire edition from ATI and pair it up with a powercolor x850 pro or a sapphire x850xtpe as long as it's 256mb. Yoe cannot however pair an x1600crossfire with an x1800 or an x850. This is my understanding.

EDIT: Woops, too slow on the type....
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post #8 of 18
Thread Starter 
ATI says that the X850 cards are capable in crossfire but my card that i bought on newegg said nothing about crossfire. It didnt say crossfire edition or anything but would it still work if i did get a crossfire edition X850

http://www.newegg.com/Product/Produc...82E16814102483
(this is what i have now)
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post #9 of 18
Thread Starter 
also what would be a good crossfire motherboard? i need something that is really good at overclocking
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post #10 of 18
1st question: Anything X800 or up is crossfire capable.
2nd question: There isn't one, not yet anyway, I'd honestly wait on crossfire, a new chipset is just around the corner that is supposed to be vastly superior to what out right now.
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