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Best Doom Eternal settings for the Steam Deck (RDNA2 iGPU) (2026)

On a Steam Deck (RDNA2 iGPU) (paired with a balanced Intel Core i5-8600K-class CPU), Doom Eternal runs at roughly 61 FPS at 1080p with our optimized settings — up from about 39FPS 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 Doom Eternal is a moderately demanding game. Paired with the Intel Core i5-8600K, it runs well at 1080p — about 61 FPS with FrameCoach's optimized settings, a clear jump from roughly 39 FPS with everything on High.

Across resolutions you can expect around 61 FPS at 1080p and 49 FPS at 1440p, dropping to roughly 28 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
1080p3961
1440p2349
4K1328
💡 Doom Eternal: id Tech 7 - one of the best-optimised shooters ever; runs fast even on modest GPUs.
🚀 Biggest free win: enable FSR (Balanced) — about +55% FPS for a small sharpness trade.
Recommended settings
Upscaling — FSRBalanced+55% FPS
Doom Eternal (id Tech 7) added DLSS in a later update. The engine is famously well-optimised, so this is mostly a 4K / weaker-GPU lever.
Lights QualityHigh+3% FPS
Number and quality of dynamic lights — the heaviest GPU setting in busy arenas. High/Ultra looks great without the Nightmare cost.
Texture Pool SizeNightmare-1% FPS
How much VRAM is reserved for textures. Ultra is safe on 8GB; Nightmare wants 10GB+.
Shadows QualityUltrabaseline
Shadow resolution and filtering. Ultra is a clean step below Nightmare with barely a visual difference mid-fight.
Reflections QualityHighbaseline
Screen-space reflections on metal and blood. High is plenty during the carnage.
Volumetric QualityHighbaseline
Fog, smoke and god-rays. High keeps the mood while trimming a busy scene.
ParticlesHighbaseline
Gore, fire and explosion effects — lowering smooths the heaviest Slayer Gate fights.

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

🎯 Can the Steam Deck (RDNA2 iGPU) run Doom Eternal? See the verdict →

Doom Eternal on other GPUs
Other games on the Steam Deck (RDNA2 iGPU)
Frequently asked

What FPS does the Steam Deck (RDNA2 iGPU) get in Doom Eternal?

With FrameCoach's optimized balanced settings, the Steam Deck (RDNA2 iGPU) averages around 61 FPS at 1080p in Doom Eternal — up from about 39 FPS with everything on High.

Can the Steam Deck (RDNA2 iGPU) run Doom Eternal at 1440p?

At 1440p with optimized settings, the Steam Deck (RDNA2 iGPU) averages roughly 49 FPS in Doom Eternal; turn on upscaling or aim for a locked 60 for the best feel.

What are the best Doom Eternal settings for the Steam Deck (RDNA2 iGPU)?

Turn on FSR (Balanced), keep ray tracing off for maximum FPS, and ease the heaviest options like Lights Quality and Shadows 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.