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
Performance Grade
Playable — may need lower settings
ProtonDB Rating
Community Linux/Deck compatibility
Performance Estimate
Based on Steam Deck GPU (RDNA 2, ~3800 score) at native 1280x800 resolution. Actual performance may vary based on game optimization and Proton compatibility.
Spec Comparison
| Component | Steam Deck | Minimum | Recommended | Status |
|---|---|---|---|---|
| GPU | RDNA 2 (Score: 3,800) | 2GB of Video Memory & NVIDIA GeForce GTX 660, AMD Radeon HD7870 | 4GB of Video Memory & NVIDIA Geforce GTX 780 or GeForce GTX 1060, AMD Radeon R9 290X (8,450) | Fail |
| 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 indicate 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 recommend medium-low at 800p, 30-40 fps. The game recommends 4GB of Video Memory & NVIDIA Geforce GTX 780 or GeForce GTX 1060, and Steam Deck's GPU (RDNA 2, ~GTX 1050 Ti equivalent) falls below that requirement. 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.
