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Check GPU shading speed before a remote job interview

Check whether your computer's graphics are running normally before an interview, and learn what a browser GPU score can and can't tell you.

Michael ReedHardware tests 5 min read

Your computer may handle everyday tasks just fine, but you want to know it can keep up before an important remote interview. A browser GPU test can check graphics shading and fill rate, which helps reveal whether graphics performance looks unusually slow.

Use TooLab's Test Everything for a broad check, or run its focused GPU Test to measure graphics performance. Keep in mind that a shading score does not test your interview app, microphone, camera, or internet connection.

Check your GPU shading speed

  1. Open Test Everything and let it run through the tests. It checks your device step by step and provides a report. If you only want a graphics result, open the GPU Test instead.
  2. Before running the GPU test, plug in your laptop if you can. Close games, video editors, and other demanding apps, and keep the test tab in the foreground.
  3. Run the GPU test and note its score, shading power, and fill rate. The test uses a 1080p graphics workload, and its score is out of 100.
  4. If you want to check whether a surprising result repeats, run the focused GPU Test once more under the same conditions. Avoid running other heavy apps between tests.
  5. For a wider pre-interview check, review the Test Everything report for other issues. The report is a useful starting point, but it does not confirm that a specific meeting app or interview website will work.

For a fair comparison, use the same computer, browser, power connection, and general workload each time. A result from one browser or power mode may not match a result from another.

What the result means

The result looks similar across repeat runs

A steady result suggests that the browser completed this graphics workload consistently. That is useful as a baseline, but it does not guarantee that a live video call will run smoothly. Calls also depend on your camera, the meeting app, network quality, and video encoding or decoding.

The score is low or changes a lot

First consider test conditions. Battery-saving settings, other open apps, browser differences, heat, or background work can affect performance. One low browser score alone does not show that the GPU is broken. Close demanding apps, connect power, and check again before drawing a conclusion.

The test does not start or graphics look wrong

The browser may not be able to use the graphics features the test needs, or graphics acceleration may be unavailable. A browser test cannot identify every driver or hardware fault. Try the fixes below, then compare the result in another up-to-date browser if one is available.

The score is normal, but the interview call still struggles

Look beyond shading speed. A call can freeze or look poor because of a weak connection, a camera problem, or settings in the meeting app. Use Test Everything for a broader device check, then test the actual camera and call setup you plan to use.

How to fix a low or inconsistent result

  1. Connect the charger and turn off power saving. A laptop may reduce performance on battery. In Windows 11, check Settings › System › Power & battery › Power mode. On macOS, check System Settings › Battery › Low Power Mode and turn it off if that option is available.
  2. Close demanding apps and tabs. Games, video editing, 3D apps, and several video streams can compete for graphics resources. Close them, wait a moment, and run the test again.
  3. Restart the browser and computer. A restart can clear a stuck browser process or background task. Reopen only the test page before checking again.
  4. Check which graphics option Windows uses for the browser. In Windows 11, open Settings › System › Display › Graphics. If your browser appears in the app list and your computer has more than one GPU, you can choose a graphics preference for it. The options vary by computer, and a high-performance setting may use more battery.
  5. Update your browser and graphics software. Install browser updates and restart the computer. On Windows, use Windows Update or your computer maker's official support software for graphics driver updates. On a Mac, check System Settings › General › Software Update, since graphics updates are normally delivered with macOS.
  6. Compare with another current browser. If the test only performs poorly in one browser, the issue may be tied to that browser's settings or graphics support rather than a failing GPU. Keep both browsers updated and compare them with the same apps closed.

When it may be a hardware problem

A low score by itself is not enough to diagnose a damaged GPU. It is more concerning if graphics artifacts, repeated crashes, or display corruption also happen in several apps, and the problem remains after a restart and software updates. If the computer is under warranty, save the test result and describe the other symptoms to the manufacturer. Otherwise, ask a repair shop to check it before buying replacement parts.

What a shading test cannot tell you about a video call

GPU shading measures how quickly the browser handles a particular kind of graphics work. It is not a direct test of video-call performance. Many calls rely on separate video encode or decode features, and the meeting app may use different settings from the browser test. Your network can also cause freezes even when graphics are working normally.

Before the interview, make a short call or preview in the actual meeting app, check that the correct camera and microphone are selected, and confirm that your connection is stable. The GPU result is one useful check, not a promise that every part of the call will work.