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Radeon and GeForce Share Work, PhysX Applications Win

@ 2008/08/28

The functionality of CUDA and its implementation of GPU-accelerated PhysX processing has benefited many a GeForce user. Users of ATI accelerators lacking this incentive either use Ageia PhysX card or avoid it altogether. It has been verified by Hardspell that in an environment where Radeon accelerator(s) do graphics processing, a GeForce accelerator can be used standalone to process PhysX. Hardspell used a Radeon HD 3850 along with a GeForce 9600 GT on the same system with the display connected to the Radeon, though no form of multi-GPU graphics connection existed, the GeForce card partnered the Radeon well in processing physics, while the Radeon did graphics. Results of the oZone 3D FluidMark, a benchmark that includes routines to evaluate the machine's capability in processing physics, showed a greater than 350% increase in scores, showing that the GeForce accelerator is doing its job.

Comment from jmke @ 2008/08/29

This tweak will only work under XP as in Vista you can't have two different display drivers loaded..

somebody tried with his 2xHD4870 and 9800 GT;

without the NV plugged in:

with NV plugged in using 177.92 drivers:

source

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