Online FPS Test & FPS Checker Tool
Test your display refresh rate, monitor frame stability, and calculate hardware FPS benchmarks for popular PC builds across 1080p, 1440p, and 4K resolutions.
Live Display FPS & Refresh Rate Counter
Measure your display rendering speed, frame timing, and monitor refresh rate in real-time.
Predict PC Hardware Gaming FPS
Select any GPU, CPU, and Game to calculate estimated benchmark FPS across 1080p, 1440p, and 4K.
Why Use an Online FPS Tester & Benchmark Checker?
Monitor Refresh Rate & Screen Hz Detection
An fps test allows you to verify that Windows or macOS is outputting your monitor's full native refresh rate (60Hz, 144Hz, 240Hz, or 360Hz). Many gamers accidentally run high-refresh monitors at 60Hz without realizing display settings are misconfigured.
1% Low Stutter & Frame Time Analysis
An fps checker evaluates frame timing consistency. High average FPS feels laggy if 1% low frame dips drop below 60 FPS. Our hardware fps tester engine predicts stutter frequency across intense multiplayer scenarios.
Looking for PC Hardware Bottleneck Analysis?
Check whether your CPU or GPU is holding back your gaming framerates.
FPS Test & FPS Checker Frequently Asked Questions
What is an FPS test and how does this live browser FPS tester work?
An FPS test measures the frames per second rendered by your display or GPU. Our live FPS tester uses requestAnimationFrame timing to track display refresh rates, frame time consistency, and micro-stutters in real-time.
What is the difference between an FPS test and an FPS benchmark?
An FPS test measures active real-time rendering speed and monitor Hz, while an FPS benchmark evaluates hardware specs (GPU, CPU, RAM) against empirical gaming engine data to predict expected framerates for PC games.
How do I check if my monitor is running at 144Hz, 240Hz, or 360Hz?
Run our live FPS test above. If your display is set to 144Hz in Windows Display Settings, the peak detected refresh rate counter will stabilize at 144 Hz.
Why does my FPS tester result drop during intense gaming?
FPS drops occur due to CPU single-core bottlenecks, GPU VRAM saturation, thermal throttling, or background application load. Upgrading your processor or enabling DLSS/FSR upscaling helps stabilize 1% low frame dips.