Categories Windows Vista

Optimise the performance of your nVidia graphics card by disabling PhysX


The PhysX appeared on Nvidia 8xxx and 9xxx series graphics cards with at least 256 MB of video memory. The PhysX makes it possible to achieve very realistic “physics” behaviors in the latest generation video games. Originally, users wishing to take advantage of this technology had to purchase a physical card in addition to the graphics card! As the concept does not work with the public, Nvidia simply decided to integrate the PhysX into its graphics cards. Except that, it significantly reduces the performance of the latter on low and even medium-scale models (the high end being at least 8800/9800). Let’s see how to turn it off.

Deactivation of PhysX

Open the start menu and click on Control Panel. Go to Classic Display via the left sidebar and then double-click on the icon NVIDIA PhysX. On the tab Settings, check the box No Acceleration then validate by clicking on OK.

Propriétés PhysX Nvidia
Properties PhysX Nvidia

Result

Increased fluidity in all games.

Note: if you have 2 or more graphics cards in SLI (or QuadSLI), you can dedicate a graphics card to PhysX management by checking GeForce PhysX and clicking the Select GPU for Geforce PhysX button. Check the desired graphics card, then click OK (twice).

Selection du GPU pour la PhysX
Selection of the GPU for the PhysX

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