Adventure · 2018 · Unknown Worlds Entertainment
Subnautica System Requirements
Subnautica is very light on modern hardware by 2026 standards. It wants 8GB of memory and 2GB of VRAM for a comfortable experience. Set aside 20GB of free space.
Check my PC against this gameFull system requirements
| Component | Minimum | Recommended |
|---|---|---|
| Operating system | Windows | Windows |
| DirectX | DirectX 11 | DirectX 11 |
| Processor | Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent | Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent |
| Graphics card | Intel HD 4600 or equivalent - This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchma…≈ Intel UHD Graphics 630 | Nvidia GTX 550 Ti or equivalent, 2GB VRAM≈ NVIDIA GeForce GT 1030 |
| Video memory | 0 GB | 2 GB |
| System memory | 4 GB | 8 GB |
| Storage | 20 GB | 20 GB |
Estimated performance by graphics card
High preset, upscaling off, paired with a AMD Ryzen 5 5600X-class processor.
| Graphics card | Tier | 1080p | 1440p | 4K | Verdict |
|---|---|---|---|---|---|
| NVIDIA GeForce RTX 4090 | S | 1836 | 1138 | 661 | Recommended spec |
| NVIDIA GeForce RTX 5080 | S | 1639 | 1016 | 590 | Recommended spec |
| AMD Radeon RX 7900 XTX | A | 1565 | 970 | 563 | Recommended spec |
| NVIDIA GeForce RTX 4080 SUPER | A | 1541 | 955 | 555 | Recommended spec |
| NVIDIA GeForce RTX 4080 | A | 1492 | 925 | 537 | Recommended spec |
| NVIDIA GeForce RTX 5070 Ti | A | 1418 | 879 | 511 | Recommended spec |
| AMD Radeon RX 9070 XT | A | 1394 | 864 | 502 | Recommended spec |
| AMD Radeon RX 7900 XT | A | 1370 | 849 | 493 | Recommended spec |
| NVIDIA GeForce RTX 4070 Ti SUPER | A | 1345 | 834 | 484 | Recommended spec |
| NVIDIA GeForce RTX 3090 Ti | A | 1321 | 819 | 475 | Recommended spec |
Modelled estimates rather than captured runs — see our methodology.
Frequently asked questions
What are the minimum requirements for Subnautica?
At least 4GB of system memory, a graphics card with 0GB of VRAM (roughly a Intel UHD Graphics 630 or better), 20GB of free storage, Windows and DirectX 11.
What are the recommended specs?
For a comfortable experience: 8GB of memory and a card with 2GB of VRAM — around a NVIDIA GeForce GT 1030.
Is Subnautica demanding on PC?
It is very light on modern hardware by 2026 standards, with a recommended GPU score of 3/100. It is primarily CPU-bound.
