How to improve framerate on Nvidia cards guide- The Witcher 3 - 10 FPS gain - GTX 680 / i5 2500K
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For added in-game performance:
Go to the NVIDIA Control Panel, then with the "Manage 3D settings" tab selected on the left side of the window, select "Program Settings", find "The Witcher 3 witcher3.exe" in the drop-down menu and edit the following variables:
Power Management Mode: Prefer maximum performance
Threaded Optimization: On
Click the "Apply" button, then start The Witcher 3: Wild Hunt, go to the "Options" menu, then "Video" and select to render the game in "Fullscreen".
While still in the NVIDIA Control Panel, navigate to the "Set PhysX configuration" and choose to offload PhysX calculations to your CPU from the "Select a PhysX processor" drop-down menu. Then click on "Apply" and you should see a framerate improvement in-game!
For added visual fidelity:
Also tweak the following variables in The Witcher 3's "Program Settings" in the NVIDIA Control Panel to match the values below:
Anisotropic filtering: 16x
Texture Filtering - Quality: High quality
Finally, click the "Apply" button and you are good to go! Minor visual upgrade.
If you are using an NVIDIA GPU, then you are also likely using NVIDIA GeForce Experience. While the latter can be very useful for determining what settings your rig should lean towards, it also introduces a new service, called "NVIDIA Streamer Service", that is only used for streaming your games to SHIELD devices and is actually causing framerate issues in many recent games, including Grand Theft Auto V and The Witcher 3: Wild Hunt.
To turn this unnecessary service completely off and regain your lost framerate, as well as prevent any associated crashes, click on the Start Button on the Windows taskbar, search for "Services" and then right-click on its icon and select "Run as administrator".
After that, scroll down through the "Services Local" list, find and right-click on "NVIDIA Streamer Service", then select "Properties". First click on "Stop" to turn the service off and then select "Startup type: Disabled" from the drop-down menu.
Set your maximum pre-rendered frames to "1" for increased gameplay smoothness
For NVIDIA GPU users, open the NVIDIA Control Panel, then navigate to the "Manage 3D settings" tab, select "The Witcher 3 witcher3.exe" from the "Program settings" drop-down menu and modify the following variable:
Maximum pre-rendered frames: 1
Finally, click the "Apply" button and enjoy your smoother game!
Set the "Witcher3.exe" process to "High Priority" in Task Manager to win some extra frames-per-second
It would appear that The Witcher 3: Wild Hunt is not making effective use of CPU power and that setting the "Witcher3.exe" process to "High Affinity" in Task Manager can help alleviate this problem and win you some extra frames-per-second!
With the game running, Alt-Tab back to the desktop and then press Ctrl-Alt-Del to bring up Task Manager. Find the "Witcher3.exe" process, right-click on it then select "Set Priority - High". After that, you can simply close Task Manager and Alt-Tab back into the game!
All that brought me about 10+ FPS on mostly Ultra settings. Tested in Novigrad.
GTX 680 +100 MHz core. +260MHz memory
i5 2500K @ 4.6 GHz
Captured with ShadowPlay - cca 6% performance hit- varies
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