GPU Stress Test

The GPU stress test uses intensive HTML5 Canvas rendering to push your computer's Graphics Processing Unit (GPU) and Central Processing Unit (CPU) to their absolute limits right inside your web browser. It renders tens of thousands of overlapping, moving particles with complex blending modes that require massive parallel processing power. Regular diagnostic verification ensures that your hardware operates at peak factory specifications and delivers reliable performance across gaming and professional tasks.

Why Stress Test Your GPU?

Stress testing is crucial for checking system stability. If you've just built a new PC, bought a used laptop, or overclocked your graphics card, you need to ensure the system doesn't crash under heavy load. It's also an excellent way to check for 'thermal throttling'—where your device gets so hot that it automatically slows itself down, causing a sudden drop in FPS. Utilizing standardized browser benchmarks eliminates the guesswork from troubleshooting, giving you real-time data to optimize your setup without third-party software.

How to Use This Tool

Select an intensity level based on your hardware (Low for basic laptops, Extreme for dedicated gaming PCs) and click 'Start Stress Test'. Keep an eye on the FPS (Frames Per Second) counter. If your system is stable, the FPS should remain relatively constant. If the FPS suddenly drops by 30-50% after a few minutes, your device is likely overheating and thermal throttling. Note: Extreme settings may cause your browser to temporarily freeze. Whether you are fine-tuning hardware parameters, calibrating settings, or inspecting for defects, our tools run with sub-millisecond precision directly on your device.