The NVIDIA RTX 4090 is a flagship 4K-class card with 24GB of VRAM, and Sons of the Forest is a demanding, graphically heavy game. Paired with a balanced Intel Core i9-14900K-class CPU it averages about 78 FPS at 4K with FrameCoach's tuned settings — up from roughly 79 FPS with everything on High.
| Resolution | All-High FPS | Optimized FPS |
|---|---|---|
| 1080p | 152 | 152 |
| 1440p | 140 | 138 |
| 4K | 79 | 78 |
At 1080p expect around 152 FPS, at 1440p about 138 FPS, and at 4K roughly 78 FPS with optimized settings. Its 24GB of VRAM is plenty for Sons of the Forest. Sons of the Forest doesn't use upscaling, so the gains come from trimming the heaviest settings.
🎛 See the full best-settings guide for Sons of the Forest on the NVIDIA RTX 4090 →
⚡ Check your exact CPU & target FPS in the optimizer →
Yes. With FrameCoach's optimized balanced settings, the NVIDIA RTX 4090 averages about 78 FPS at 4K in Sons of the Forest.
Around 152 FPS at 1080p with optimized settings (up from about 152 FPS on all-High).
keep ray tracing off, and lower the heaviest settings a notch. FrameCoach's full per-setting guide for this exact combo shows what each option costs.
FPS figures are estimates from a generalized model (hardware tier × game load × per-setting weights), not live benchmarks — real performance varies by scene, drivers and game version.