On a Steam Deck (RDNA2 iGPU) (paired with a balanced Intel Core i5-8600K-class CPU), Mafia II: Definitive Edition runs at roughly 60 FPS at 1080p with our optimized settings — up from about 60FPS 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 Mafia II: Definitive Edition is a relatively light game to run. Paired with the Intel Core i5-8600K, it runs well at 1080p — about 60 FPSwith FrameCoach's optimized settings. That already clears a smooth frame rate on High, so our tuning keeps the visuals as high as possible instead of chasing extra frames.
Across resolutions you can expect around 60 FPS at 1080p and 63 FPS at 1440p, dropping to roughly 44 FPS at 4K. The biggest free win is FSR upscaling — set it to Quality for a large FPS boost at little visual cost.
| Resolution | All-High FPS | Optimized FPS |
|---|---|---|
| 1080p | 60 | 60 |
| 1440p | 36 | 63 |
| 4K | 20 | 44 |
⚡ Fine-tune this for your exact CPU & target FPS →
🎯 Can the Steam Deck (RDNA2 iGPU) run Mafia II: Definitive Edition? See the verdict →
With FrameCoach's optimized balanced settings, the Steam Deck (RDNA2 iGPU) averages around 60 FPS at 1080p in Mafia II: Definitive Edition — up from about 60 FPS with everything on High.
At 1440p with optimized settings, the Steam Deck (RDNA2 iGPU) averages roughly 63 FPS in Mafia II: Definitive Edition — a smooth experience.
Use a balanced preset, keep ray tracing off for maximum FPS, and ease the heaviest options like Shadow Quality and Geometry Detail 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.