Best Atomic Heart settings for the Steam Deck (RDNA2 iGPU) (2026)
On a Steam Deck (RDNA2 iGPU) (paired with a balanced AMD Ryzen 3 3300X-class CPU), Atomic Heart runs at roughly 60 FPS at 1080p with our optimized settings — up from about 32FPS with everything maxed. Here's the configuration and what each setting costs.
| Resolution | All-High FPS | Optimized FPS |
|---|
| 1080p | 32 | 60 |
| 1440p | 19 | 45 |
| 4K | 10 | 22 |
🚀 Biggest free win: enable FSR (Balanced) — about +55% FPS for a small sharpness trade.
Recommended settings
Upscaling — FSRBalanced+55% FPS
Atomic Heart (Unreal Engine 4) supports DLSS and FSR. A free FPS boost on a well-optimised game.
Shadow QualityMedium+5% FPS
Shadow resolution and range. High is the value pick over Epic.
Global IlluminationMedium+4% FPS
Bounced lighting in the colourful Soviet facility - a real cost. High over Epic frees FPS.
Effects QualityMedium+3% FPS
Combat and ability effects. Lowering smooths the chaotic robot fights.
Post ProcessingMedium+2% FPS
Bloom, motion blur and depth of field. Cheap; set to taste.
Foliage QualityMedium+2% FPS
Plant and grass density in the open overworld. A small, safe gain when lowered.
View DistanceMedium+2% FPS
How far detail renders. Mild pop-in when lowered.
Anti-AliasingMedium+2% FPS
Edge smoothing. Medium/High keeps the image clean cheaply.
Texture QualityEpic-1% FPS
Surface sharpness - cheap if it fits your VRAM.
⚡ Fine-tune this for your exact CPU & target FPS →
Atomic Heart on other GPUs
Other games on the Steam Deck (RDNA2 iGPU)
Frequently asked
What FPS does the Steam Deck (RDNA2 iGPU) get in Atomic Heart?
With FrameCoach's optimized balanced settings, the Steam Deck (RDNA2 iGPU) averages around 60 FPS at 1080p in Atomic Heart — up from about 32 FPS with everything on High.
Can the Steam Deck (RDNA2 iGPU) run Atomic Heart at 1440p?
At 1440p with optimized settings, the Steam Deck (RDNA2 iGPU) averages roughly 45 FPS in Atomic Heart; turn on upscaling or aim for a locked 60 for the best feel.
What are the best Atomic Heart settings for the Steam Deck (RDNA2 iGPU)?
Turn on FSR (Balanced), keep ray tracing off for maximum FPS, and ease the heaviest options like Shadow Quality and Global Illumination down a notch. The full per-setting breakdown is above.
FPS figures are estimates from a generalized model (hardware tier × game load × per-setting weights), not live benchmarks — real performance varies by scene, drivers and game version.