Can Steam Deck Run Subnautica: Below Zero?
Steam Deck compatibility check and performance analysis
Unknown — Not yet tested by Valve
Valve's official Steam Deck compatibility rating for Subnautica: Below Zero
Performance Grade
Good — meets recommended specs
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 530 or better | Nvidia 1050 Ti / AMD Radeon 570, 4GB VRAM (6,350) | Fail |
| CPU | Zen 2, 4c/8t (Score: ~15,000) | Intel Core i3 4XXX series / AMD Ryzen 3 2.6ghz+ | Intel Core i5 4XXX series/ AMD Ryzen 5 @ 3Ghz + | — |
| RAM | 16 GB LPDDR5 | 8 GB | 8 GB | Pass |
| Storage | 64GB / 256GB / 512GB / 1TB | 15 GB | 15 GB | — |
| Display | 1280x800, 7" / 7.4" OLED | — | OK | |
Frequently Asked Questions
Can Steam Deck run Subnautica: Below Zero?
Subnautica: Below Zero has not been officially tested on Steam Deck by Valve. Based on hardware specs alone, our grade is B (good — meets recommended specs). ProtonDB rates it as "platinum".
What settings should I use for Subnautica: Below Zero on Steam Deck?
For Subnautica: Below Zero on Steam Deck, we recommend medium-high at 800p, 40-60 fps. The game recommends Nvidia 1050 Ti, 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: Below Zero have Steam Deck verified status?
Subnautica: Below Zero has not received a Steam Deck verification status from Valve yet. Its compatibility is unknown and may change as Valve continues testing.