Although it was expected that Nvidia Corp.’s upcoming GeForce GTX 980 Ti graphics adapter will be powered by the very same chip as the GeForce GTX Titan X, it now turns out that the new graphics board will be based on a version of the GM200 graphics processor with a different configuration of execution units.

The Nvidia GeForce GTX Titan X graphics card features the GM200-400 graphics chip with 3072 stream processors, 192 texture mapping units, 96 raster operations pipelines as well as 384-bit memory interface. The chip operates at 1000MHz/1075MHz base/boost clock-rate. By contrast, the upcoming GeForce GTX 980 Ti will use the GM200-310 graphics chip, reports VideoCardz web-site.

Nvidia marks graphics processing units with dissimilar configurations differently. For example, both GeForce GTX 970 and GeForce GTX 980 are powered by GM204 GPUs, but the number of activated SPs, TMUs and ROPs is different on these two graphics cards. As a result, the GTX 970 chips are marked as the GM204-200, whereas the GTX 980 processors are marked as the GM204-400.

The GM200-310 marking may indicate that the configuration of the graphics processor of the GeForce GTX 980 Ti will not be the same as that of Nvidia’s flagship graphics card. One thing that is clear at the moment is that the GeForce GTX 980 Ti graphics board will carry 6GB of GDDR5 memory.

Nvidia did not comment on the news-story.

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KitGuru Says: It is clearly logical for Nvidia to use a cut-down version of its GM200 for the GeForce GTX 980 Ti. The company has a lot of GM200 chips with defects and it needs to sell them somehow. At the same time, the company’s product lineup requires a graphics solution that will be faster than the GeForce GTX 980, but slower than the GeForce GTX Titan X.

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