Can a AMD Radeon HD 7870 run Subnautica?
The AMD Radeon HD 7870 handles Subnautica comfortably — roughly 146 FPS at 1080p and 91 FPS at 1440p on high settings.
High preset, upscaling off, paired with a AMD Ryzen 7 9800X3D-class processor.
How the AMD Radeon HD 7870 measures up
| Requirement | AMD Radeon HD 7870 | Minimum | Recommended | Result |
|---|---|---|---|---|
| GPU performance score | 7 | 2 | 3 | Recommended |
| Video memory | 2 GB | 0 GB | 2 GB | Recommended |
| Ray tracing | — Not supported | Game has no RT | N/A | |
| Upscaling | FSR | Not supported | N/A | |
Recommended settings
For 60 FPS at 1080p
Use the ultra preset. You already clear 60 FPS on high, so this leaves headroom for dips in busy scenes.
At 1440p
Comfortable — around 91 FPS on high.
At 4K
Around 53 FPS. Workable with upscaling on Performance mode.
How other cards handle Subnautica
| Graphics card | Tier | 1080p FPS | vs AMD Radeon HD 7870 | |
|---|---|---|---|---|
| NVIDIA GeForce GTX 950 | F | 146 | ▼ 0 FPS | Compare |
| NVIDIA GeForce GTX 660 Ti | F | 146 | ▼ 0 FPS | Compare |
| AMD Radeon RX 560 | F | 146 | ▼ 0 FPS | Compare |
| AMD Radeon R7 370 | F | 146 | ▼ 0 FPS | Compare |
| NVIDIA GeForce GTX 660 | F | 124 | ▼ 22 FPS | Compare |
| AMD Radeon RX 460 | F | 124 | ▼ 22 FPS | Compare |
Frequently asked questions
Can the AMD Radeon HD 7870 run Subnautica?
The AMD Radeon HD 7870 handles Subnautica comfortably — roughly 146 FPS at 1080p and 91 FPS at 1440p on high settings.
What FPS will I get?
On high settings with upscaling off: roughly 146 FPS at 1080p, 91 FPS at 1440p and 53 FPS at 4K. These are modelled estimates — see our methodology.
What settings should I use?
Start at the ultra preset at 1080p.
Will my processor hold this back?
These figures assume a processor fast enough not to limit the card. If yours is older, run the bottleneck calculator — this title leans on the GPU, so a modest CPU deficit costs less.