To fix FPS drops in Helldivers 2, lower Render Scale first, then reduce Volumetric Fog and Particle Effects before touching resolution, drivers, or hardware.
- 1. Lower Render Scale before lowering your display resolution
- 2. Set Volumetric Fog to Low
- 3. Reduce Particle Effects for bug breaches and explosions
- 4. Use this high-impact settings baseline
- 5. Find out whether the problem is GPU- or CPU-limited
- 6. Cap FPS to a level your system can sustain
- 7. Update or clean-install your graphics driver
- 8. Rebuild the shader cache
- 9. Verify the game installation and remove unstable modifications
- 10. Disable overlays and background recording
- 11. Fix CPU bottlenecks without buying hardware
- 12. Check memory, thermals, and power limits
- Quick decision matrix
- When should you consider hardware changes?
- Related Guides
Use the following checklist in order. After each change, replay the same type of mission for several minutes—preferably a Terminid bug-breach defense or Automaton heavy outpost—so you can identify which fix actually helped.
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1. Lower Render Scale before lowering your display resolution
Open Options > Graphics and change Render Scale from Ultra Quality or Native to Quality. If drops continue, try Balanced. Keep your monitor at its normal resolution so the interface remains sharp.
- 1440p: Quality renders at roughly 1280p internally; Balanced is lower still.
- 1080p: Quality is often a useful compromise; Balanced may look noticeably soft.
- 4K: Quality or Balanced can substantially reduce GPU load during large fights.
Render Scale affects nearly every frame, so it usually produces a larger improvement than lowering one minor texture option. If your GPU is at 95–100% usage when the stutter occurs, this is the first setting to test.
2. Set Volumetric Fog to Low
Set Volumetric Fog to Low, especially on foggy planets, during firestorms, and around large groups of enemies. Fog is expensive because the game repeatedly evaluates lighting and particles through a three-dimensional volume.
Low fog usually changes atmosphere more than gameplay readability. If your frame rate improves only on certain planets, fog is probably one of the main causes. You can leave other visual settings higher while testing this option.
3. Reduce Particle Effects for bug breaches and explosions
Set Particle Effects to Low or Medium. This is particularly important during Terminid breaches, Eagle strikes, orbital barrages, flamethrower attacks, and multiple simultaneous explosions.
Particle-heavy scenes can stress both the GPU and the CPU. Low particle settings will not eliminate every simulation hitch, but they reduce the amount of smoke, debris, sparks, and transparency that must be drawn when the screen becomes crowded.
4. Use this high-impact settings baseline
| Setting | Recommended starting value | Why it helps |
|---|---|---|
| Render Scale | Quality; Balanced if necessary | Reduces the number of pixels rendered every frame |
| Volumetric Fog | Low | Reduces expensive volume lighting and atmospheric effects |
| Particle Effects | Low or Medium | Helps during breaches, barrages, and explosions |
| Screen-Space Global Illumination | Off or Low | Reduces indirect-light calculations |
| Reflection Quality | Low or Medium | Helps on wet and highly reflective environments |
| Shadow Quality | Medium | Reduces GPU work without making the game unreadable |
| Texture Quality | High if VRAM allows; otherwise Medium | Textures mainly affect VRAM usage rather than average GPU compute |
| Motion Blur | Off | Improves clarity; does not usually fix the underlying bottleneck |
Do not begin by lowering Texture Quality if your GPU is not running out of VRAM. Textures often have less effect on combat FPS than fog, particles, shadows, and internal resolution.
5. Find out whether the problem is GPU- or CPU-limited
Enable an in-game performance overlay or use a trusted monitoring tool to watch GPU usage, CPU core usage, VRAM, RAM, temperatures, and frame time.
- GPU near 95–100%: lower Render Scale, fog, reflections, shadows, or global illumination.
- GPU well below 90% while one or two CPU cores are busy: you are likely CPU-limited; lowering resolution will have little effect.
- VRAM nearly full: reduce Texture Quality and close GPU-accelerated background applications.
- RAM nearly full: close browsers, launchers, recording tools, and overlays before starting the game.
- Frame-time spikes without high utilization: suspect shader compilation, background processes, storage delays, or a driver issue.
Average FPS can look acceptable while frame-time spikes make movement feel uneven. A stable 60 FPS has a frame time of about 16.7 ms; 30 FPS is about 33.3 ms. A single 100 ms spike is visible even if the average is high.
6. Cap FPS to a level your system can sustain
Use an in-game or driver-level frame-rate cap. Choose a target your PC can maintain during combat rather than the maximum it reaches while standing still.
| Display refresh rate | Practical starting cap | Reason |
|---|---|---|
| 60 Hz | 60 FPS, or 50– limit if necessary | Reduces oscillation between high and low frame rates |
| 120 Hz | 60 or 90 FPS | Leaves GPU headroom for breaches and large fights |
| 144–165 Hz | 72, 90, or 120 FPS | Choose the highest stable target, not the menu-screen peak |
A cap can reduce heat and prevent the GPU from repeatedly hitting its power limit. If you use variable refresh rate, keep the cap slightly below the monitor’s maximum refresh rate where practical.
7. Update or clean-install your graphics driver
Install the latest driver for your graphics card from its manufacturer. If the problem began immediately after a driver update, try the previous stable driver instead.
For persistent stuttering, perform a clean driver installation. A display-driver cleanup utility used in Windows Safe Mode can remove old driver components before reinstalling the current package. Create a restore point first, and avoid changing several driver options at once.
8. Rebuild the shader cache
Shader compilation can cause temporary stutters after a game update, driver change, or major graphics-setting change. First, allow the game to sit at the title screen for a few minutes after updating. Then restart the PC and test again.
You can also clear the graphics driver’s shader cache through Windows storage settings or the driver control panel. The first launch afterward may stutter while shaders are rebuilt; that is expected. Do not repeatedly clear the cache before every session, because that removes useful compiled data.
9. Verify the game installation and remove unstable modifications
Use your PC game launcher’s verify or repair function. Corrupted or incomplete files can cause crashes, loading problems, and unusual stutter.
Temporarily remove unofficial injectors, reshade-style filters, frame-generation wrappers, and overlays. Test with the game’s standard rendering path before adding enhancements back one at a time.
10. Disable overlays and background recording
Turn off overlays from chat clients, GPU software, game launchers, RGB utilities, and performance monitors as a diagnostic step. Also disable instant replay or background recording if your CPU or storage drive is under pressure.
These tools can create periodic frame-time spikes, particularly when saving video clips during explosions. If disabling them helps, re-enable them individually to identify the conflicting program.
11. Fix CPU bottlenecks without buying hardware
Helldivers 2 can become CPU-limited when many enemies, corpses, effects, and physics events are active. If your GPU usage falls during a breach, use these changes:
- Lower Particle Effects, fog, shadows, and global illumination.
- Close browsers, game launchers, and software that scans files in real time.
- Use Windows’ High performance or an appropriate performance power mode while plugged in.
- Check that the CPU is not overheating and reducing clock speed.
- Install the game on an SSD with adequate free space rather than a heavily occupied mechanical drive.
Lowering resolution will not solve a CPU limit. A faster CPU can help in the worst combat scenes, but software cleanup and sensible caps should come first.
12. Check memory, thermals, and power limits
Close the game and check whether your system has at least 16 GB of RAM; 32 GB provides more breathing room when browsers and other applications remain open. Ensure the page file is enabled on a fast drive.
Watch temperatures during a mission. If the CPU or GPU repeatedly reaches its thermal limit, clean blocked vents, improve case airflow, and use a sensible fan curve. On a laptop, connect the charger and use the manufacturer’s performance mode. Battery operation often imposes a power limit that looks like unexplained FPS loss.
Quick decision matrix
| What you observe | First fix | Next fix |
|---|---|---|
| GPU usage is 98–100% | Render Scale to Quality | Low fog and particles |
| GPU usage drops during breaches | Low particles and shadows | Close background CPU-heavy apps |
| Stutter began after a driver update | Clean-install or roll back driver | Rebuild shader cache |
| VRAM is full | Lower Texture Quality | Reduce resolution or close GPU apps |
| Temperatures hit the limit | Improve cooling and power mode | Apply an FPS cap |
| Only one planet or weather type stutters | Lower volumetric fog | Lower reflections and particles |
When should you consider hardware changes?
Consider an upgrade only after testing the settings above and confirming a consistent hardware limit. A GPU upgrade is most relevant when GPU usage remains near 100% and VRAM is sufficient but your target resolution is still too demanding. A CPU upgrade is more relevant when GPU usage stays low during large enemy encounters while one or more CPU threads are saturated.
Because performance varies by resolution, settings, drivers, system cooling, and game patch, published FPS ranges are only approximate. The most reliable goal is not the highest menu-screen number; it is a frame-time pattern that remains stable during breaches, objectives, and extraction fights.
Ready to decide? Our #1 pick for 2026 is the Render Scale.
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