On the Steam Deck OLED, Fallout 4 is tuned to run at 40 FPS with the TDP capped at 10W, rendering at 1280x800 with FSR. Its native 800p OLED display refreshes at 90Hz, and SteamOS runs Fallout 4 through Proton. These settings are compiled from 4 sources and 83% corroborated across independent guides. Verified current as of August 2026.
About the game
Very PositiveFrom Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.
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In-game settings
Tap a row to check it off · compiled and verified from 4 sources · single-source value
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Quality
Lighting & Shadows
Reflections & Water
Post-processing
Other settings
Frequently asked questions
Can Fallout 4 run well on the Steam Deck OLED?
Fallout 4 is playable at 40 FPS on the Steam Deck OLED with these settings. These values are 83% corroborated across independent guides.
What FPS does Fallout 4 hit on the Steam Deck OLED?
With these settings Fallout 4 targets 40 FPS on the Steam Deck OLED.
What TDP should I use for Fallout 4 on the Steam Deck OLED?
Cap the TDP at 10W for Fallout 4 on the Steam Deck OLED.
What resolution and upscaling are best for Fallout 4 on the Steam Deck OLED?
Render Fallout 4 at 1280x800 with FSR on the Steam Deck OLED.
What's different about running Fallout 4 on the Steam Deck OLED?
The Steam Deck has a native 800p OLED screen at 90Hz and runs games through SteamOS (Proton), so these settings are tuned for that panel.
How do the Fallout 4 settings differ on the Steam Deck OLED vs the ASUS ROG Ally X?
On the Steam Deck OLED this guide differs from the ASUS ROG Ally X on TDP (10W vs 25W), resolution (1280x800 vs 1600x900). Notable in-game changes: Anisotropic Filtering (8 Samples vs 4), Texture Quality (High vs Ultra), Shadow Quality (Medium vs Low), Lighting Quality (High vs Medium), Screen Space Reflections (Off vs Enabled), Wetness (On vs Enabled), and 3 more settings.
Are these Fallout 4 settings verified?
These settings are compiled from 4 sources, 83% corroborated, last verified Aug 2026.
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Steam Deck OLED vs ASUS ROG Ally X
On the Steam Deck OLED, Fallout 4 runs TDP 10W (vs 25W on the ASUS ROG Ally X), resolution 1280x800 (vs 1600x900 on the ASUS ROG Ally X).
Settings that change between the two
- Anisotropic Filtering8 Samples· ROG4
- Texture QualityHigh· ROGUltra
- Shadow QualityMedium· ROGLow
- Lighting QualityHigh· ROGMedium
- Screen Space ReflectionsOff· ROGEnabled
- WetnessOn· ROGEnabled
- Rain OcclusionOn· ROGEnabled
- Lens FlareOn· ROGEnabled
Steam Deck OLED-specific tweaks: SteamDeck=0 %command%, Refresh Rate 40 Hz, Frame Rate Limit 40 FPS, Create a file named /home/deck/fallout4.conf Inside that file write: dxgi.syncInterval = 1, Set the Launch Option to be: DXVK_CONFIG_FILE=/home/deck/fallout4.conf %command%.