CrXPRT 2 FAQ

CrXPRT is a tool for evaluating the performance and battery life of Chromebooks. CrXPRT tells you how fast a Chromebook handles things you or your kids do every day, like playing video games, watching movies, editing pictures, and doing homework. It even measures battery life. The performance test, which measures the speed of your Chromebook, gives you individual scores for each set of tasks, as well as an overall score. The battery life test produces an estimated battery life expressed in hours and minutes, a separate performance score, and a frames per second (FPS) rate for a built-in HTML5 gaming component.

CrXPRT is easy to use and delivers results you can understand. When you buy a Chromebook, it’s important to know how long it will last on a normal day and how often you’ll need to charge it. Before, you had to rely on the manufacturer’s estimate; now, CrXPRT provides an easy, objective tool that accounts for daily activity and network connectivity as it measures battery life.

CrXPRT is part of the larger BenchmarkXPRT family of tools, or XPRTs, a set of apps that help you learn how all kinds of devices perform. In the tech biz, many people refer to these tools as “benchmarks”. The XPRTs test a wide range of devices on a level playing field, which means you can be sure you’re getting unbiased, fair information. We encourage you to explore all the tools at BenchmarkXPRT.

CrXPRT runs tests on your Chromebook to tell you two things:

• Battery Life: Your device’s estimated battery life, measured in time.
• Performance: How well your device handles some common tasks. This is a relative number, which you use to compare it with performance scores from other devices on CrXPRT.com.

CrXPRT’s performance score is modeled in part after the industry-standard WebXPRT app, which you can read about here. Running the CrXPRT specialized workloads serves two purposes: measuring battery life and providing you with a performance score. If you want to get a sense of how well a device handles everyday tasks, this is the score to look for.

The battery life test reports the rundown battery life expressed in hours and minutes, a separate performance score, and a frames per second (FPS) rate for the HTML5 gaming component. The battery life performance score is different than the main performance test score, so the two scores should not be compared. The battery life test includes all six workloads from the performance suite, plus video playback, audio playback, and HTML5 gaming scenarios. It also incorporates realistic periods of wait time, for a total of 10 components. Each iteration of the battery life test lasts for 30 minutes and is comprised of approximately 11 minutes of active workloads and 19 minutes of wait/idle time. However, since different devices work at different speeds, the exact amount of idle time will vary by device. The battery life test produces detailed results information including the recorded rundown battery life, a performance score based on the six performance suite workloads, and a frames per second (FPS) rate from the HTML5 gaming scenario.

Technology manufacturers, developers, sellers, reviewers, and consumers find what they need here. CrXPRT is a great resource for anyone who wants to explore the battery life and performance capabilities of Chromebooks.

You can download CrXPRT from the Chrome Web Store. CrXPRT is free, and download and installation typically takes about five minutes.

The CrXPRT User Manual provides detailed instructions for device configuration and testing. The user manual is also available inside the CrXPRT UI, just click the User Manual at the bottom of the main screen.

It runs these six scenarios:

1. Photo Effects:
   Applies three effects (Sharpen, Emboss, and Glow) to two photos each, a set of six photos total.
2. Face Detection JS:
   Checks for human faces in a set of five photos (low resolution).
3. Offline Notes:
   Measures the time it takes to encrypt, store, and display notes from local storage.
4. Stock Portfolio Dashboard:
   Calculates and displays different graphical views of a stock portfolio.
5. DNA Sequence Analysis:
   Measures the time it takes to process eight DNA sequences for open reading frames and amino acids.
6. 3D Shapes with WebGL:
   Generates equation-based 3D shapes and displays them with WebGL.

The battery-life test includes all six workloads from the performance suite, plus adds realistic periods of wait time and three additional scenarios:

1. Video Player:
   Plays a 2-minute 1,080p H.264 video clip in a browser from the local system.
2. Music Player:
   Plays an audio clip for 3 minutes.
3. HTML5-based game:
   Runs an impact.js-based game for about 2 minutes.

When the test completes, click the Submit Result button on the result screen. Fill in a contact email address, the device name and model number, and any additional information you’d like to include (the additional information field is optional). Then, click submit.

You can view results for CrXPRT 2 here. For more detailed information on any set of scores, click the link under the Source column.

Absolutely! You can view results for CrXPRT 2 here. As more people use the app and submit their results, the bank of results will grow.

The BenchmarkXPRT Development Community is a forum where registered members can contribute to the process of creating and improving benchmarks, including CrXPRT. If you are not currently a community member, we encourage you to join! (And yes, that means you – our community is open to everyone, from software developers to interested consumers.) Not only will you get early releases of future versions of the apps, but you’ll also be able to download the source code (available to members only) and influence the future of the apps. Register now, or for more information, see the BenchmarkXPRT FAQ.

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