Can Steam Deck Run Dungeon Siege III?
Steam Deck compatibility check and performance analysis
Unknown — Not yet tested by Valve
Valve's official Steam Deck compatibility rating for Dungeon Siege III
Performance Grade
Overkill — Steam Deck crushes this
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) | ATI Radeon HD 3870 or NVIDIA 9800 GT (500) | ATI Radeon HD 4870 or NVIDIA GTX 260 | Pass |
| CPU | Zen 2, 4c/8t (Score: ~15,000) | Core 2 Duo 2.5 GHz or equivalent | Core i5 750 2.67 GHz or equivalent | — |
| RAM | 16 GB LPDDR5 | 1.5 GB | 2 GB | Pass |
| Storage | 64GB / 256GB / 512GB / 1TB | 4 GB | — | — |
| Display | 1280x800, 7" / 7.4" OLED | — | OK | |
Frequently Asked Questions
Can Steam Deck run Dungeon Siege III?
Dungeon Siege III has not been officially tested on Steam Deck by Valve. Based on hardware specs alone, our grade is S (overkill — steam deck crushes this).
What settings should I use for Dungeon Siege III on Steam Deck?
For Dungeon Siege III on Steam Deck, we recommend ultra / high at 800p, 60+ fps. The game recommends ATI Radeon HD 4870 or NVIDIA GTX 260, and Steam Deck's GPU (RDNA 2, ~GTX 1050 Ti equivalent) meets that requirement. Start at medium settings and adjust based on frame rate.
Does Dungeon Siege III have Steam Deck verified status?
Dungeon Siege III has not received a Steam Deck verification status from Valve yet. Its compatibility is unknown and may change as Valve continues testing.
