The Steam Deck (RDNA2 iGPU) is a handheld card with 4GB of VRAM, and Diablo IV is a moderately demanding game. Paired with a balanced Intel Core i5-8600K-class CPU it averages about 60 FPS at 1080p with FrameCoach's tuned settings — up from roughly 38 FPS with everything on High.
| Resolution | All-High FPS | Optimized FPS |
|---|---|---|
| 1080p | 38 | 60 |
| 1440p | 23 | 58 |
| 4K | 13 | 33 |
At 1080p expect around 60 FPS, at 1440p about 58 FPS, and at 4K roughly 33 FPS with optimized settings. The single biggest improvement is FSR upscaling — set it to Quality.
🎛 See the full best-settings guide for Diablo IV on the Steam Deck (RDNA2 iGPU) →
⚡ Check your exact CPU & target FPS in the optimizer →
Yes. With FrameCoach's optimized balanced settings, the Steam Deck (RDNA2 iGPU) averages about 60 FPS at 1080p in Diablo IV.
Around 60 FPS at 1080p with optimized settings (up from about 38 FPS on all-High).
Turn on FSR (Balanced) for the biggest free boost, keep ray tracing off, and lower the heaviest settings a notch. FrameCoach's full per-setting guide for this exact combo shows what each option costs.
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.