Runs well but needs some manual setup — the settings below cover that.
On the Steam Deck OLED, Warhammer 40,000: Space Marine 2 is tuned to run at 30 FPS with the TDP capped at 15W, rendering at 1280x800 with FSR 2 Performance. Its native 800p OLED display refreshes at 90Hz, and SteamOS runs Warhammer 40,000: Space Marine 2 through Proton. These settings are compiled from 3 sources and 20% corroborated across independent guides. Verified current as of August 2026.
About the game
Very PositiveEmbody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes.
Recommended config
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In-game settings
Tap a row to check it off · compiled and verified from 3 sources · single-source value
Handy for your handheld
Quality
Lighting & Shadows
Reflections & Water
Post-processing
Other settings
Frequently asked questions
Can Warhammer 40,000: Space Marine 2 run well on the Steam Deck OLED?
Warhammer 40,000: Space Marine 2 is playable at 30 FPS on the Steam Deck OLED with these settings. These values are 20% corroborated across independent guides.
What FPS does Warhammer 40,000: Space Marine 2 hit on the Steam Deck OLED?
With these settings Warhammer 40,000: Space Marine 2 targets 30 FPS on the Steam Deck OLED.
What TDP should I use for Warhammer 40,000: Space Marine 2 on the Steam Deck OLED?
Cap the TDP at 15W for Warhammer 40,000: Space Marine 2 on the Steam Deck OLED.
What resolution and upscaling are best for Warhammer 40,000: Space Marine 2 on the Steam Deck OLED?
Render Warhammer 40,000: Space Marine 2 at 1280x800 with FSR 2 Performance on the Steam Deck OLED.
What's different about running Warhammer 40,000: Space Marine 2 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 Warhammer 40,000: Space Marine 2 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 (15W vs 35W), resolution (1280x800 vs 1600x900). Notable in-game changes: Dynamic Resolution FPS Target (Disabled vs Off), Screen Space Ambient Occlusion (Low vs Default).
Are these Warhammer 40,000: Space Marine 2 settings verified?
These settings are compiled from 3 sources, 20% corroborated, last verified Aug 2026.
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Steam Deck OLED vs ASUS ROG Ally X
On the Steam Deck OLED, Warhammer 40,000: Space Marine 2 runs TDP 15W (vs 35W on the ASUS ROG Ally X), resolution 1280x800 (vs 1600x900 on the ASUS ROG Ally X).
Settings that change between the two
- Dynamic Resolution FPS TargetDisabled· ROGOff
- Screen Space Ambient OcclusionLow· ROGDefault
Steam Deck OLED-specific tweaks: 30, Disabled, Linear, 60, Proton Experimental, 4 GB.