Why your browser isn't using the dedicated GPU

Your games may run on a dedicated graphics card, while browser animations or web apps seem to use the processor's built-in graphics. That can be normal: browsers often save power by using integrated graphics for everyday pages, then use a dedicated GPU for heavier work.

Check whether the browser is actually using graphics acceleration before changing settings. The Graphics Test can help you compare browser graphics performance, but its score alone cannot identify which graphics processor handled the test.

Check which graphics processor the browser is using

1. Open the Graphics Test in the browser you want to check and run the test. Note the score, and keep the test open while you check the system's GPU activity.
2. On Windows 11, open Task Manager with Ctrl + Shift + Esc. In Processes, right-click a column heading and enable GPU engine, if it is available. Find your browser while the test is running and look for an entry such as GPU 1 - 3D.
3. To identify the GPU number on Windows, open Task Manager's Performance section and check the names shown for each GPU. Compare those names with the number in the browser's GPU engine entry.
4. On a Mac, open Apple menu › About This Mac › More Info › System Report › Graphics/Displays to see which graphics processors are installed. This lists the available hardware, but does not always show which GPU handled a particular browser tab.

Close other graphics-heavy apps before comparing results. For a useful comparison, run the same test in the same browser after changing one setting at a time. Scores can vary with browser version, screen resolution, power mode, and other activity.

What the result means

The browser uses the dedicated GPU

If Task Manager shows the browser using the dedicated GPU's 3D engine, it is using that card for at least part of its graphics work. It may still use integrated graphics for other tabs or ordinary page tasks. That division is normal on many laptops.

The browser uses integrated graphics

This is often expected for browsing, video playback, and simple animations. Integrated graphics use less power. If a demanding web app is slow, you can tell Windows to prefer the dedicated GPU for the browser, then check whether the app improves.

The browser does not show GPU activity

The page may not be doing much graphics work, or hardware acceleration may be off or unavailable. A low Graphics Test score can suggest a performance issue, but it does not prove the dedicated GPU is broken or that the browser chose the wrong one.

You cannot find a GPU engine entry

Task Manager may group the browser's activity under a different process, or the column may not be available in your Windows version. Use the Graphics Test as a performance check, and review the browser's hardware acceleration setting. On a Mac, automatic graphics switching can make it harder to confirm which GPU a single tab used.

How to fix it

1. Plug in the laptop and check its power mode. Some laptops favor integrated graphics on battery power or in a power-saving mode. On Windows 11, open Settings › System › Power & battery and choose a performance-focused power mode if available. On macOS, check System Settings › Battery for Low Power Mode.
2. Set the browser to high performance in Windows. Open Settings › System › Display › Graphics. Select the browser, choose Options, select High performance, then save. If the browser is not listed, add its desktop app. Close all browser windows and reopen it before testing again.
3. Check automatic graphics switching on an Intel Mac. Open System Settings › Battery › Options and turn off Automatic graphics switching if that option is present. This can keep a Mac with two graphics processors on its higher-performance GPU, but it uses more battery. Apple Silicon Macs do not offer a separate integrated-versus-dedicated GPU choice in the same way.
4. Turn on hardware acceleration in the browser. In Chrome, look under Settings › System for Use graphics acceleration when available. In Edge, check Settings › System and performance. In Firefox, open Settings › General › Performance, clear Use recommended performance settings if needed, then check Use hardware acceleration when available. Restart the browser after changing the setting.
5. Check whether acceleration is available. A browser update, privacy setting, remote desktop session, or graphics driver problem can disable some graphics features. Follow the checks in How to check if your browser uses GPU acceleration.
6. Update the browser and graphics driver. Install browser updates, then check Windows Update under Settings › Windows Update › Advanced options › Optional updates for a graphics driver. If the problem continues, use the computer maker's support instructions for your exact model. Restart the computer and repeat the test.

Why the browser may choose integrated graphics

Many computers have switchable graphics. The integrated GPU is built into the processor and is usually more power-efficient. A dedicated GPU can handle demanding graphics, but it often draws more power and creates more heat. The operating system and browser decide which tasks need it, and the choice can change when you connect a display, switch power modes, or launch a graphics-heavy page.

Forcing the browser to use high-performance graphics may not make every page faster. It can shorten battery life, and some browser tasks still run on the CPU. Use the Graphics Test to compare performance, and check activity while the test is running rather than judging from the browser's appearance alone.