Can Steam Deck Run Mafia III: Definitive Edition?
Steam Deck compatibility check and performance analysis
Unsupported: may not work
Valve's official Steam Deck compatibility rating for Mafia III: Definitive Edition
Spec-based estimate
Risky: below the minimum specs
ProtonDB Rating
Community Linux/Deck compatibility
Performance Estimate
Based on the Steam Deck GPU (RDNA 2, about a Radeon RX 560, 4,550 pts) at its native 1280x800. Real performance depends on the game's optimization and Proton.
Spec Comparison
| Component | Steam Deck | Minimum | Recommended | Status |
|---|---|---|---|---|
| GPU | RDNA 2 (Score: 4,550) | 2GB of Video Memory & NVIDIA GeForce GTX 660, AMD Radeon HD7870 (2,400) | 4GB of Video Memory & NVIDIA Geforce GTX 780 or GeForce GTX 1060, AMD Radeon R9 290X (7,650) | Below |
| CPU | Zen 2, 4c/8t (Score: ~15,000) | Intel I5-2500K, AMD FX-8120 | Intel I7-3770, AMD FX 8350 4.0 Ghz | — |
| RAM | 16 GB LPDDR5 | 6 GB | 8 GB | Pass |
| Storage | 64GB / 256GB / 512GB / 1TB | 50 GB | 50 GB | — |
| Display | 1280x800, 7" / 7.4" OLED | — | OK | |
Frequently Asked Questions
Can Steam Deck run Mafia III: Definitive Edition?
Mafia III: Definitive Edition is currently Unsupported on Steam Deck. Valve has tested it and found compatibility issues. ProtonDB community reports rate it as "gold", which may mean some workarounds exist.
What settings should I use for Mafia III: Definitive Edition on Steam Deck?
For Mafia III: Definitive Edition on Steam Deck we estimate: Low at 800p, sub-30 FPS likely. On PC the game recommends a GeForce GTX 780; the Deck's GPU is roughly a Radeon RX 560 (4,550 pts) and falls below that on paper. Start at medium settings and adjust based on frame rate.
Does Mafia III: Definitive Edition have Steam Deck verified status?
No, Mafia III: Definitive Edition is marked as Unsupported on Steam Deck. Valve has determined it does not work properly on the device.
