Can Steam Deck Run Subnautica?
Steam Deck compatibility check and performance analysis
Unknown — Not yet tested by Valve
Valve's official Steam Deck compatibility rating for Subnautica
Performance Grade
Overkill — Steam Deck crushes this
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) | Intel HD 4600 or equivalent - This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchmark | Nvidia GTX 550 Ti or equivalent, 2GB VRAM | ? |
| CPU | Zen 2, 4c/8t (Score: ~15,000) | Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent | Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent | — |
| RAM | 16 GB LPDDR5 | 4 GB | 8 GB | Pass |
| Storage | 64GB / 256GB / 512GB / 1TB | 20 GB | 20 GB | — |
| Display | 1280x800, 7" / 7.4" OLED | — | OK | |
Frequently Asked Questions
Can Steam Deck run Subnautica?
Subnautica has not been officially tested on Steam Deck by Valve. Based on hardware specs alone, our grade is S (overkill — steam deck crushes this). ProtonDB rates it as "platinum".
What settings should I use for Subnautica on Steam Deck?
For Subnautica on Steam Deck, we recommend ultra / high at 800p, 60+ fps. The game recommends Nvidia GTX 550 Ti or equivalent, 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 Subnautica have Steam Deck verified status?
Subnautica has not received a Steam Deck verification status from Valve yet. Its compatibility is unknown and may change as Valve continues testing.
