That is currently all we know right now about CorssFireX performance on the R9 290X.Įxpect to see more information come out when reviews of the card go live later this month. ATI CrossFireX technology is only supported for full screen Direct3D or OpenGL accelerated applications on compatible ATI Radeon graphics accelerators. We can see that the new CrossFireX DMA engine does a very good job in dual-GPU functionality. The second leaked slide which is below shows the R9 290X’s CrossFireX scaling performance of the card. See store ratings and reviews and find the best prices on Amd. We are guessing that it is some type of power and performance management algorithm which we will only find out when the detailed reviews go live. Comparison shop for Amd radeon hd 6990 4gb video card ausum mode crossfirex Home in Home. Looking at the chart below we can see that Uber Mode gives a slight performance boost over Quiet Mode, but not that much. All settings on 'Very High' using PostAA. My minimum frames are about what I would get using one card (40-60fps) but I often scale up to 100+ fps depending on the scene. Select the 'Crysis.3.exe' application profile. AMD recently allowed many sites to post 4K performance previews ( which we covered), but some sites actually posted the entire performance presentation.įrom these posted presentations we came to learn that the Radeon R9 290X actually operates under two different modes: Quite Mode and Uber Mode. Set the AMD CrossfireX mode to 'Use AMD pre-defined profile'. It looks like some slides showing the AMD Radeon R9 290X performance results in both Uber and CrossFireX modes have been leaked.
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