Sapphire R9 280X toxic crossfire with R9 290X?

fly4ever

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Jun 18, 2015
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I'm thinking about crossfire my Sapphire TOXIC R9 280X 3GB GDDR5 GPU (http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1227&pid=2023&psn=&lid=1&leg=0) with a Sapphire Tri-X R9 290X 8GB GDDR5 OC (http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1227&pid=2548&psn=&lid=1&leg=0).
Is there a chance to have problems of any kind with such a configuration?
I'm having second thoughts fearing the more powerful and different clocked R290X 8GB GPU might be held back by the R9 280X one.

Many thanks in advance,

Nick
 

tvi016

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Jan 20, 2015
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Even if it were to work, you wouldnt be able to use those 8 gigs from the 290x, only 3 gigs. Youd probably be better of by selling the 280x and getting the 290x or better(pointing at nvidia cards;) )