FPS Test
Measure your device rendering frame rate with a real-time animated canvas stress test. Run for at least 5 seconds for accurate results.
How to Use This Test
Start the Test
Click 'Start FPS Test' to begin the animated canvas stress test. 15 colored balls will bounce around the screen while the test measures frame timing.
Keep the Tab Active
Switching tabs or minimizing the browser will pause the measurement. Keep this tab in focus for accurate results.
Wait for Completion
The test runs for 6 seconds automatically, or you can stop it early. During this time, current, average, and minimum FPS values are displayed in real time.
Evaluate Your Results
Average FPS of 60+ is excellent, 30-60 is acceptable, and below 30 indicates performance issues. The minimum FPS shows the worst-case frame drops.
What Your Results Mean
Average FPS 60+
Excellent performance. Your device renders frames smoothly at or above standard display refresh rates. Ideal for gaming and smooth animations.
Average FPS 30-60
Acceptable performance for most tasks. Some demanding games or animations may show occasional stuttering.
Average FPS Below 30
Poor rendering performance. Animations and games will feel choppy. This may indicate GPU limitations, thermal throttling, or too many background processes.
Minimum FPS Much Lower Than Average
Large variance between average and minimum FPS indicates inconsistent performance, possibly from thermal throttling or background process interference.
Common Problems and Fixes
FPS is consistently below 30
Close all background apps and browser tabs. Disable battery saver mode which limits CPU/GPU performance. If the device feels hot, let it cool down before retesting. Update your browser to the latest version.
FPS drops significantly during the test
This is often caused by thermal throttling — the device reduces performance to prevent overheating. Ensure adequate ventilation, remove thick cases during intensive tasks, and avoid running tests while charging.
FPS varies wildly between runs
Background processes, system updates, and thermal state all affect FPS. Close all apps, let the device cool between runs, and test in a consistent environment for comparable results.
Desktop shows much lower FPS than expected
Ensure hardware acceleration is enabled in browser settings. Update your GPU drivers. Check if the browser is using the dedicated GPU instead of integrated graphics in your OS display settings.
FPS test shows 0 or very low values
The canvas may not be rendering properly. Try a different browser, ensure hardware acceleration is enabled, and check for browser extensions that might interfere with canvas rendering.
Frequently Asked Questions
What is FPS and why does it matter?
FPS (Frames Per Second) measures how many images your device renders each second. Higher FPS means smoother animations and visuals. 60 FPS is the standard for smooth experience, 30 FPS is acceptable but may feel choppy, and below 30 FPS indicates performance issues.
Why is my FPS lower than my screen's refresh rate?
FPS is limited by your device's processing power, not just the screen. If your GPU can't render frames fast enough, FPS drops below the refresh rate. Background apps, thermal throttling, and complex scenes all reduce achievable FPS.
Is 60 FPS good enough for mobile gaming?
Yes, 60 FPS is the target for most mobile games and provides a smooth experience. Competitive games may target higher FPS on devices with 90Hz or 120Hz displays. Below 30 FPS will feel laggy in most games.
Why does FPS drop during the test?
FPS can drop due to thermal throttling (device getting hot), background processes, battery saver mode, or GPU limitations. The test runs an animated canvas scene that stress-tests your GPU to reveal these performance characteristics.
What affects FPS the most?
The GPU is the primary factor for graphics-heavy tasks. CPU performance matters for game logic and physics. RAM speed and amount affect asset loading. Software factors include browser optimization, drivers, and background processes.
Can I improve my device's FPS?
Close background apps, disable battery saver mode, ensure your device isn't overheating, update your browser and graphics drivers, and reduce screen brightness. For sustained performance, consider a device cooling accessory.
Why This Test Matters
Benchmarking device performance before purchasing a used phone for gaming
Diagnosing performance issues that cause lag in games or apps
Verifying GPU performance after a software update
Comparing performance between different devices or browsers
Checking if thermal throttling is affecting your device's performance