Soldato
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to SLI/Xfire do both cards need to be the same?
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probs stupid question, but
- Thread starter paradisiac
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Caporegime
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Nvidia ones do, ATi ones don't, they just have to be from the same series, i.e any 48 series cards can be paired with any other 48 series cards.
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ok, that makes sense. is there any major downsides to having 2 cards over 1 more expensive card?
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It takes 2 slots.
Less expandability in the future (as in, no 'quadfire' ever as both your slots are used)
Louder as more fans.
More cables in computer.
Very very marginally slower (like - 1%)
Crossfire will only work as fast as the slower of the two cards if they are different speeds (as in -- it'll slow down the faster card .. not be really clever and get the faster card to render more of the screen or anything)
Less expandability in the future (as in, no 'quadfire' ever as both your slots are used)
Louder as more fans.
More cables in computer.
Very very marginally slower (like - 1%)
Crossfire will only work as fast as the slower of the two cards if they are different speeds (as in -- it'll slow down the faster card .. not be really clever and get the faster card to render more of the screen or anything)
Caporegime
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Crossfire doesn't downclock dammit.
Not since like the 4800 series.
Not since like the 4800 series.
Also the occasional game comes alone which doesn't like multi-GPU setups and new drivers have to be released. Also (generally) costs more on your power bill I believe, and could require a new/more expensive PSU. Other than that I think britboy hit the nail on the head.