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Best Warhammer 40K: Space Marine 2 settings for the Steam Deck (RDNA2 iGPU) (2026)

On a Steam Deck (RDNA2 iGPU) (paired with a balanced Intel Core i5-8600K-class CPU), Warhammer 40K: Space Marine 2 runs at roughly 59 FPS at 1080p with our optimized settings — up from about 26FPS with everything maxed. Here's the configuration and what each setting costs.

The Steam Deck (RDNA2 iGPU) is a handheld graphics card with 4GB of VRAM, and Warhammer 40K: Space Marine 2 is a demanding, graphically heavy game. Paired with the Intel Core i5-8600K, it is playable at 1080p — about 59 FPS with FrameCoach's optimized settings, a clear jump from roughly 26 FPS with everything on High.

Across resolutions you can expect around 59 FPS at 1080p and 36 FPS at 1440p, dropping to roughly 20 FPS at 4K. The biggest free win is FSR upscaling — set it to Quality for a large FPS boost at little visual cost.

ResolutionAll-High FPSOptimized FPS
1080p2659
1440p1536
4K920
🚀 Biggest free win: enable FSR (Balanced) — about +55% FPS for a small sharpness trade.
Recommended settings
Upscaling — FSRBalanced+55% FPS
Space Marine 2 supports DLSS and FSR. A strong GPU-side boost, useful given the huge enemy swarms.
Shadow QualityLow+10% FPS
Shadow resolution and range. High is the value pick over Ultra.
Effects QualityLow+7% FPS
Gore, gunfire and explosion effects - and there are thousands of enemies. Lowering smooths the swarms.
VolumetricsLow+6% FPS
Resolution of fog, godrays and particle effects. A solid saving on open battlefields.
Screen Space ReflectionsOff+5% FPS
On-screen reflections on armour and wet surfaces. Default is nearly free; High costs a few percent.
View DistanceLow+5% FPS
How far the battlefield renders. Mild pop-in when lowered.
Screen Space Ambient OcclusionOff+5% FPS
Soft contact shadows in corners and crevices. Default is almost free; High covers finer geometry.
Anti-AliasingLow+4% FPS
Edge smoothing. Medium/High keeps the carnage clean cheaply.
Texture QualityUltra-1% FPS
Surface sharpness - cheap if it fits your VRAM.

⚡ Fine-tune this for your exact CPU & target FPS →

🎯 Can the Steam Deck (RDNA2 iGPU) run Warhammer 40K: Space Marine 2? See the verdict →

Warhammer 40K: Space Marine 2 on other GPUs
Other games on the Steam Deck (RDNA2 iGPU)
Frequently asked

What FPS does the Steam Deck (RDNA2 iGPU) get in Warhammer 40K: Space Marine 2?

With FrameCoach's optimized balanced settings, the Steam Deck (RDNA2 iGPU) averages around 59 FPS at 1080p in Warhammer 40K: Space Marine 2 — up from about 26 FPS with everything on High.

Can the Steam Deck (RDNA2 iGPU) run Warhammer 40K: Space Marine 2 at 1440p?

At 1440p with optimized settings, the Steam Deck (RDNA2 iGPU) averages roughly 36 FPS in Warhammer 40K: Space Marine 2; turn on upscaling or aim for a locked 60 for the best feel.

What are the best Warhammer 40K: Space Marine 2 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 Effects Quality 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.