What a 1080p fill-rate score reveals on a gaming PC

A game feels sluggish, or a new graphics card seems slower than expected. A 1080p fill-rate score can help you check how well your desktop handles one kind of graphics work, but it is not a direct measure of game performance.

The Graphics Test runs a graphics workload in your browser and reports shading power and fill rate at 1080p, along with a score out of 100. Use it to compare repeat runs on the same computer, then check the settings and conditions that could affect the result.

Run the 1080p graphics test

1. Open the Graphics Test on the gaming desktop you want to check.
2. Close demanding games, video editors, and other 3D apps. Keep the browser window in the foreground while the test runs.
3. Let the test finish, then note its 1080p fill-rate result and score out of 100. Also note the browser, power mode, and whether the computer was already warm.
4. Run it again under the same conditions. If you are checking a recent change, compare the new result with a run from before the change, if you recorded one.

Do not compare a single run with a score from a different computer and assume the difference is a defect. Browser version, graphics acceleration, background activity, and power settings can all change a browser-based result.

What the result means

A strong result that repeats

If the score and fill-rate result are broadly consistent across runs, the desktop is handling this particular browser graphics workload consistently. That is useful as a baseline. It does not prove that every game will run smoothly, since games use different graphics effects, engines, resolutions, and settings.

A low result compared with your own earlier run

A lower score may mean the browser is using a different graphics path, the computer is in a power-saving mode, or another task is competing for resources. It can also reflect heat-related slowdown. Check the quick fixes below before assuming that the graphics card is failing.

Results vary from run to run

Small differences are normal in browser tests. A large or repeated drop is more useful evidence than one unusually low run. Close other graphics-heavy apps, wait for the desktop to cool if it is hot, and repeat the test without changing other settings.

The score looks good, but a game still runs poorly

The test confirms only that a browser workload completed at the reported level. It does not measure a particular game's frame rate, check the game's settings, or prove that the game is using the graphics card you expect. Look at the game's resolution, quality settings, frame-rate cap, and graphics-device selection separately.

How to improve a low or inconsistent result

1. Close competing graphics tasks. Quit games, 3D design tools, video effects, and extra browser tabs playing video. Then rerun the test with its tab in front.
2. Use a normal performance power mode. On Windows 11, open Settings › System › Power & battery › Power mode and choose a performance-oriented option if available. On a Mac laptop, check System Settings › Battery and turn off Low Power Mode for the comparison. A desktop Mac may not show this setting.
3. Check browser graphics acceleration. In Chrome, open Settings › System and check Use graphics acceleration when available. In Edge, open Settings › System and performance and check Use graphics acceleration when available. If you change it, restart the browser before testing again.
4. Choose the high-performance GPU in Windows. If your desktop has both integrated and dedicated graphics, open Settings › System › Display › Graphics, select or add your browser, choose Options, and set it to High performance. Close and reopen the browser, then run the test again.
5. Update the browser and graphics software. Install browser updates from its settings. On Windows 11, check Settings › Windows Update for available updates, and use the computer or graphics-card maker's supported driver update process. On macOS, check System Settings › General › Software Update.
6. Check cooling if performance falls after use. Make sure the desktop has room for airflow and its vents are not blocked. If the result falls after the computer has been gaming for a while, let it cool and repeat once. Do not keep running load tests if the computer shuts down, smells hot, or makes unusual noises.

When to suspect a graphics hardware problem

A low browser score alone is not enough to diagnose a bad GPU. Suspect a wider problem if games and other 3D applications also show visual glitches, repeated crashes, or major performance loss, especially after you have confirmed that the dedicated GPU is selected and the computer is not overheating.

Check whether the problem began after a driver or hardware change, and test more than one game or graphics application. If the desktop has persistent artifacts or crashes across different software, stop stressing it and contact the system or graphics-card maker. A failing card, power connection, or cooling system may need professional service.

What 1080p means in this test

1080p describes the resolution of the test workload, not necessarily the resolution of your monitor or the resolution you use in games. Fill rate broadly describes how quickly graphics work can draw or process pixels. It is one part of rendering, alongside shader calculations, memory access, and other work.

Games do not all use the GPU in the same way. A game may be limited by the processor, graphics memory, a frame-rate cap, or a demanding effect rather than fill rate. A 1080p result is therefore best treated as one repeatable clue about browser graphics performance, not a promise of a particular frame rate.