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ddr3 vs ddr4?

Forum Graphic & Displays : Graphics Cards - ddr3 vs ddr4?

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I am sure that in the near future the 8800 series will be sporting ddr4. It makes me curious as to the actual performance benefits of this or will it simply have more bandwidth without a noticeable gain in real life apps. As a sidenote will a ddr3 8800gts be able to do sli with a ddr4 gts so long as the core speeds are the same or at all for that matter.

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The main difference between GDDR3 and GDDR4 is GDDR4 higher top speeeds, unfortunately higher latency, but lower power consumption.

The type of memory used shoud be transparent to SLi, so as long as the core are similar then you should be able to run a GF8800GTXGDDR3 with a GF8800GTXGDDR4, but you might not be able to run a GF8850GTX with a GF8800GTX depending on how they decide to implement SLi with these new stream processors. It's likely possible to do, but may be a question of whether nV implements it or finds it worth supporting in drivers if it's at all an effort to do.

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