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Revise DLSS instructions and performance notes #99

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Merged
the-sane merged 5 commits into from
May 1, 2026
+4 −14
Merged

Revise DLSS instructions and performance notes #99

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43466f9
Revise DLSS instructions and performance notes
Vogelhaufen Apr 30, 2026
9867d0e
Update DLSS instructions in nvidia.md
Vogelhaufen Apr 30, 2026
e39c987
Fix DLSS instructions and update numbering
Vogelhaufen Apr 30, 2026
91654a0
Update DLSS instructions for version 4.0
Vogelhaufen Apr 30, 2026
490d004
Correct spelling and phrasing in nvidia.md
Vogelhaufen Apr 30, 2026
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18 changes: 4 additions & 14 deletions wiki/Troubleshooting/nvidia.md
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Original file line number Diff line number Diff line change
Expand Up @@ -66,20 +66,10 @@ or
export DXVK_NVAPI_DRS_NGX_DLSS_SR_OVERRIDE="on"
export DXVK_NVAPI_DRS_NGX_DLSS_RR_OVERRIDE="on"
export DXVK_NVAPI_DRS_NGX_DLSS_FG_OVERRIDE="on"
export DXVK_NVAPI_DRS_NGX_DLSS_SR_OVERRIDE_RENDER_PRESET_SELECTION="RENDER_PRESET_K"
export DXVK_NVAPI_DRS_NGX_DLSS_RR_OVERRIDE_RENDER_PRESET_SELECTION="RENDER_PRESET_K"
export DXVK_NVAPI_DRS_NGX_DLSS_SR_OVERRIDE_RENDER_PRESET_SELECTION="render_preset_latest"
export DXVK_NVAPI_DRS_NGX_DLSS_RR_OVERRIDE_RENDER_PRESET_SELECTION="render_preset_latest"
```

{: .note-title }
> DLSS 4.5
>
> Enabling DLSS 4.5 will result in less performance than DLSS 4.0 in exchange for improved image quality. [RTX 20 & 30 series GPUs](https://www.nvidia.com/en-us/geforce/forums/geforce-graphics-cards/5/580689/dlss-45-super-resolution-faq/) will see a very severe performance impact and should stick with DLSS 4.0.
>
> Enable DLSS 4.5 by using an alternative render preset:
> - `RENDER_PRESET_M` for improved image quality but less performance.
> - `RENDER_PRESET_L` for the best image quality but the least performance.

5. To confirm DLSS 4.x is working, enable the debug overlay env var below. Look for it in-game to say `Render Preset: K/M/L`, `DLSSv3 v310.4.0` for DLSS 4.0, or `DLSSv3 v310.5.0` for DLSS 4.5.
5. To confirm DLSS 4.x is working, enable the debug overlay env var below. Look for it in-game to say `Render Preset: K/M/L` or `DLSSv3 v310.5.0` for DLSS 4.5.
```
export DXVK_NVAPI_SET_NGX_DEBUG_OPTIONS="DLSSIndicator=1024,DLSSGIndicator=2"
```
Expand All @@ -101,7 +91,7 @@ or

{: .warning }
>
> - Mangohud and other FPS monitoring HUDS may interfere with Smooth Motion and cause game crashes. You may need to disable them.
> - MangoHud and other FPS monitoring overlays, as well as DLSS, may interfere with Smooth Motion and cause game crashes. You may need to disable them.
> - Vsync may need to be disabled in the game's graphics settings.

{: .tip }
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