any big diffrent between HD7790 and R7260x

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The R7 is about 10% faster but has a tad lower double precision floating point performance (big whoop, that doesn't matter for the majority of GPU buyers). It will also support Direct3D 12 when it comes out next year and includes both AMD's Mantle API and TrueAudio. The downside? It's rated for 30W higher heat output than the 7790, which might be a problem for some cases.

Overall, the R7 is basically an incremental improvement to the 7790. The graphics core is pretty much the same, but up-to-date technologies have been added at the expense of heat output, possibly noise, and power consumption. I would personally buy the R7 simply because of the future potential and new features, but it's up to you.

voltoid27

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Sep 17, 2014
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The R7 is about 10% faster but has a tad lower double precision floating point performance (big whoop, that doesn't matter for the majority of GPU buyers). It will also support Direct3D 12 when it comes out next year and includes both AMD's Mantle API and TrueAudio. The downside? It's rated for 30W higher heat output than the 7790, which might be a problem for some cases.

Overall, the R7 is basically an incremental improvement to the 7790. The graphics core is pretty much the same, but up-to-date technologies have been added at the expense of heat output, possibly noise, and power consumption. I would personally buy the R7 simply because of the future potential and new features, but it's up to you.
 
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