On the Steam Deck OLED, Atomic Heart is tuned to run at 40 FPS with the TDP capped at 12W, rendering at 1280x800. Its native 800p OLED display refreshes at 90Hz, and SteamOS runs Atomic Heart through Proton. These settings are compiled from 4 sources and 33% corroborated across independent guides. Verified current as of May 2026.
About the game
Very PositiveIn a mad and sublime utopian world, take part in explosive encounters. Adapt your fighting style to each opponent, use your environment and upgrade your equipment to fulfill your mission. If you want to reach the truth, you'll have to pay in blood.
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In-game settings
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Frequently asked questions
Can Atomic Heart run well on the Steam Deck OLED?
Atomic Heart is playable at 40 FPS on the Steam Deck OLED with these settings. These values are 33% corroborated across independent guides.
What FPS does Atomic Heart hit on the Steam Deck OLED?
With these settings Atomic Heart targets 40 FPS on the Steam Deck OLED.
What TDP should I use for Atomic Heart on the Steam Deck OLED?
Cap the TDP at 12W for Atomic Heart on the Steam Deck OLED.
What resolution and upscaling are best for Atomic Heart on the Steam Deck OLED?
Render Atomic Heart at 1280x800 on the Steam Deck OLED.
What's different about running Atomic Heart 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.
Are these Atomic Heart settings verified?
These settings are compiled from 4 sources, 33% corroborated, last verified May 2026.
