RefreshRateTest

FPS Stress Test

Push your browser's rendering capabilities to the limit and measure your Frames Per Second.

Current Performance

0 FPS

Increase the slider to put more load on your GPU/CPU. Watch how your FPS reacts.

Understanding FPS and System Performance

Frames Per Second (FPS) is the definitive metric for measuring gaming and rendering performance. It represents how many individual images your graphics card (GPU) and processor (CPU) can generate every single second. A higher FPS results in smoother motion, lower input latency, and a generally more responsive experience.

Why Stress Test Your Browser?

While traditional PC benchmarking tools require heavy downloads, a browser-based FPS stress test provides a quick, accessible way to gauge your device's hardware acceleration capabilities. By rendering thousands of moving particles using HTML5 Canvas and JavaScript, we force your GPU to work harder. As you increase the particle count, you will eventually hit a bottleneck where your hardware can no longer maintain a smooth 60 or 144 FPS.

FPS vs. Refresh Rate

It is crucial to understand the relationship between FPS and your monitor's Refresh Rate (Hz). Your PC might be capable of rendering 300 FPS in this stress test, but if you are using a standard 60Hz monitor, your screen can only physically display 60 of those frames every second. To truly benefit from high FPS, you need a high refresh rate monitor. You can verify your monitor's current operating speed using our Refresh Rate Test.

How to Improve Your FPS

  • Enable Hardware Acceleration: Ensure hardware acceleration is turned on in your browser settings (Chrome, Edge, Firefox, Safari).
  • Update GPU Drivers: Outdated graphics drivers are a common cause of poor rendering performance.
  • Close Background Apps: Free up CPU and RAM resources by closing unnecessary applications.
  • Check Thermal Throttling: If you are on a laptop, ensure it is plugged in and adequately cooled. Overheating hardware will automatically slow down to prevent damage, causing severe FPS drops.

If you are experiencing visual artifacts like screen tearing even with high FPS, consider running our Screen Tearing Test to diagnose synchronization issues.

Frequently Asked Questions

An FPS stress test pushes your device's GPU and CPU to their limits by rendering a high number of objects (like particles) on the screen. This helps determine how well your system can maintain a smooth frame rate under heavy load.

FPS drops occur when your hardware (usually the GPU or CPU) cannot render frames fast enough to keep up with the demand. Increasing the particle count in this test simulates a more demanding game or application.

FPS is how many frames your computer generates per second, while Refresh Rate (Hz) is how many times your monitor can display a new image per second. For the best experience, your FPS should match or exceed your monitor's Hz. You can check your monitor's Hz on our Refresh Rate Test page.