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crossfire hardware question

Last response: in Graphics & Displays
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February 26, 2014 9:16:57 AM

I am looking to setup a crossfire setup with 2 HD 5870's. I know I can run any HD 5870 gpu together but Do the hd 5870 have to have the same amount of ram? There are 2 options of this card 1 with 1 gig of ram and 1 with 2 gigs of ram. Can I run a 1 gig card with a 2 gig card to give a total of 3 gigs ram? I would think it would work as long as its the same GPU but I am not sure.
February 26, 2014 9:22:36 AM

I am no expert on the subject but as much reading as I do on Tom's, I know you can x-fire the cards but you will not see the benefit from the extra ram.
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February 26, 2014 9:22:44 AM

Each card uses it's own ram. Crossfiring these cards would effectively reduce the second card to only using 1GB of ram. Ram usage in crossfire isn't added together.
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