Category: Battery life

BatteryXPRT: A quick and reliable way to estimate Android battery life

on May 25, 2017

In the last few weeks, we reintroduced readers to the capabilities and benefits of TouchXPRT and CrXPRT. This week, we’d like to reintroduce BatteryXPRT 2014 for Android, an app that evaluates the battery life and performance of Android devices.

When purchasing a phone or tablet, it’s good to know how long the battery will last on a typical day and how often you’ll need to charge it. Before BatteryXPRT, you had to rely on a manufacturer’s estimate or full rundown tests that perform tasks that don’t resemble the types of things we do with our phones and tablets every day.

We developed BatteryXPRT to estimate battery life reliably in just over five hours, so testers can complete a full evaluation in one work day or while sleeping. You can configure it to run while the device is connected to a network or in Airplane mode. The test also produces a performance score by running workloads that represent common everyday tasks.

BatteryXPRT is easy to install and run, and is a great resource for anyone who wants to evaluate how well an Android device will meet their needs. If you’d like to see test results from a variety of Android devices, go to BatteryXPRT.com and click View Results, where you’ll find scores from many different Android devices.

If you’d like to run BatteryXPRT:

Simply download BatteryXPRT from the Google Play store or BatteryXPRT.com. The BatteryXPRT installation instructions and user manual provide step-by-step instructions for how to configure your device and kick off a test. We designed BatteryXPRT 2014 for Android to be compatible with a wide variety of Android devices, but because there are so many devices on the market, it is inevitable that users occasionally run into problems. In the Tips, tricks, and known issues document, we provide troubleshooting suggestions for issues we encountered during development testing.

If you’d like to learn more:

We offer a full online BatteryXPRT training course that covers almost every aspect of the benchmark. You can view the sections in order or jump to the parts that interest you. We guarantee that you’ll learn something new!

If you’d like to dig into the details:

Check out the Exploring BatteryXPRT 2014 for Android white paper. In it, we discuss the app’s development and structure. We also describe the component tests; explain the differences between the test’s Airplane, Wi-Fi, and Cellular modes; and detail the statistical processes we use to calculate expected battery life.

If you’d like to dig even deeper, the BatteryXPRT source code is available to members of the BenchmarkXPRT Development Community, so consider joining today. Membership is free for members of any company or organization with an interest in benchmarks, and there are no obligations after joining.

If you haven’t used BatteryXPRT before, try it out and let us know what you think!

Justin

Posted in Android, Battery life, BatteryXPRT 2014 for Android, Benchmark metrics, Benchmarking, BenchmarkXPRT development community, CrXPRT, TouchXPRT, What makes a good benchmark? |

CrXPRT: a valuable tool for evaluating Chromebooks

By Justin Greene

on May 11, 2017

Last week, we reintroduced readers to TouchXPRT 2016. This week, we invite you to get to know CrXPRT, an app for Chrome OS devices.

When you buy a Chromebook, it’s important to know how long the battery will last on a typical day and how well it can handle everyday tasks. We developed CrXPRT 2015 to help answer those questions. CrXPRT measures how fast a Chromebook handles everyday tasks such as playing video games, watching movies, editing pictures, and doing homework, and it also measures battery life. The performance test, which measures the speed of your Chromebook, gives you individual workload scores and an overall score. The battery life test produces an estimated battery life time, a separate performance score, and a frames-per-second (FPS) rate for a built-in HTML5 gaming component.

CrXPRT completes the battery life evaluation in half a workday, and delivers results you can understand. Before CrXPRT, you had to rely on the manufacturer’s performance claims and estimated battery life. Now, CrXPRT provides an objective evaluation tool that’s easy to use for anyone interested in Chromebooks. To learn more about CrXPRT, check out the links below.

Watch CrXPRT in action:

To test your Chromebook’s performance or battery life:

Simply download CrXPRT from the Chrome Web Store. Installation is quick and easy, and the CrXPRT 2015 user manual provides step-by-step instructions. A typical performance test takes about 15 minutes, and a battery life test will take 3.5 hours once the system is charged and configured for testing. If you’d like to see how your score compares to other Chromebooks, visit the CrXPRT results page.

If you’d like to dig into the details:

Read the Exploring CrXPRT 2015 white paper. In it, we discuss the concepts behind CrXPRT 2015, its development process, and the application’s structure. We also describe the component tests and explain the statistical processes used to calculate expected battery life.

BenchmarkXPRT Development Community members also have access to the CrXPRT source code, so if you’re interested, join today! There’s no obligation and membership is free for members of any company or organization with an interest in benchmarks.

If you have a Chromebook you’d like to evaluate, give CrXPRT a try and let us know what you think!

Justin

Posted in Battery life, BenchmarkXPRT development community, Chrome OS, Chromebooks, CrXPRT, Education, Google Chrome, Performance benchmarking |

BatteryXPRT 2014 gets an update

By Justin Greene

on January 26, 2017

After Android 7 (Nougat) was released on select devices this past fall, we discovered an issue with BatteryXPRT on devices running Android 7 and above. The battery life tests were completing accurately and reliably, but the test was not producing a performance score.

The problem was a result of significant changes in the Android development environment. Android 7 restricted the flags used for different target architectures when linking native code components, and that caused issues while executing part of the Create Slideshow workload. We resolved the issue by changing the linked flags. Also, we migrated the BatteryXPRT code from the Eclipse and Android SDK development environments to the up-to-date Android Studio environment. This allowed us to rebuild the app in a way that maintains compatibility with the most recent versions of Android.

Today, we’re releasing a new build of BatteryXPRT 2014 (v104) at BatteryXPRT.com and the Google Play store. Scores from this build are comparable with previous BatteryXPRT scores, and if you’re testing with a version of BatteryXPRT that you downloaded from the Google Play store, you should receive the new build via an app update.

Click here to download the new BatteryXPRT installer (330 MB) directly from our site.

For users who have limited bandwidth or trouble accessing the Google Play store, downloading the APK files (26.7 MB total) may make installation easier.

Download the updated BatteryXPRT APK (2.8 MB) directly from our site.

Download the updated BatteryXPRT Tests APK (23.9 MB) directly from our site.

If you have any questions about the update or any other XPRT-related topic, feel free to contact us at BenchmarkXPRTSupport@principledtechnologies.com.

Justin

Posted in Android, Android N, Battery life, BatteryXPRT 2014 for Android, Performance benchmarking |

BatteryXPRT’s future

By Justin Greene

on December 1, 2016

A few weeks ago, we discussed the future of HDXPRT. This week, we’re focusing on the current state of BatteryXPRT 2014 for Android, and how the benchmark may evolve in 2017.

BatteryXPRT continues to provide users with reliable evaluations of their Android device’s performance and battery life under real-world conditions. Originally designed to be compatible with Android 4.2 (Jelly Bean) and above, the benchmark continues to work well on subsequent versions of Android, up to and including Android 6.0 (Marshmallow).

Since Android 7 (Nougat) began to roll out on select devices in the past few months, our internal testing has shown that we’ll need to adjust the BatteryXPRT source code to maintain compatibility with devices running Android 7 and above. We developed the existing source when Eclipse was the officially supported SDK environment, and now we need to bring the code in line with the current Android Studio SDK.

Practically speaking, BatteryXPRT does run on Nougat, and to the best of our knowledge, battery life results are still accurate and reliable. However, the test will not produce a performance score. As more Nougat devices are released in the coming months, it’s possible that other aspects of the benchmark may encounter issues. If this happens during your testing, we encourage you to let us know.

Because MobileXPRT 2015 and BatteryXPRT 2014 performance workloads are so closely related, the next obvious question is whether MobileXPRT 2015 runs on Nougat devices. As of now, MobileXPRT 2015 does run successfully and reliably on Android 7, and this is because the most recent build of MobileXPRT 2015 was compiled using a newer SDK.

We think the best course of action for MobileXPRT 2015 and BatteryXPRT will be to eventually combine them into a single, easy-to-use Android benchmark for performance and battery life. We’ll talk more about that plan in the coming months, and we look forward to hearing your input. Until that transition is successful, we’ll continue to support both BatteryXPRT and MobileXPRT 2015.

As always, we welcome your feedback on these developments, as well as any ideas you may have for future XPRTs.

Justin

Posted in Android, Android L, Android M, Android N, Battery life, BatteryXPRT 2014 for Android, Collaborative benchmark development, MobileXPRT 2015 |

Personal preference

By Eric Hale

on May 19, 2016

I saw an interesting article recently, Here’s why I gave up my beloved Galaxy S7 for a boring old iPhone. It’s only been a few weeks since we featured the Samsung S7 in the XPRT Weekly Tech Spotlight, so of course I had to read it. The interesting thing is this guy really loved his Samsung S7, and even declared it “the best smartphone I’ve ever used.” He loved its VR capabilities, camera, and its look. He even prefers Android as an operating system.

So why would he give it up for an iPhone 6s Plus? Simply put, battery life. As a self-described heavy user, he found his Samsung S7 dying before 5 PM every day. The iPhone 6s Plus lasted much longer.

This is a good reminder that people have different priorities. Your priority could be having the fastest phone, the longest battery life, the best screen, or the broadest compatibility. This is why there is no such this as “the best device.”

This is why we are always asking for your input. Knowing your priorities helps the community build better tests!

Eric

Posted in Android, Battery life, BenchmarkXPRT development community, Collaborative benchmark development, Phones, What makes a good benchmark?, XPRT Weekly Tech Spotlight |

Sleep studies

By Justin Greene

on May 12, 2016

Last week, we discussed the increasing complexity of power options in Android 6.0. Features such as Doze and App Standby have changed the way that the operating system manages app activity, and the wide array of UI skins used by many vendors ensures that the steps needed for pre-test configuration differ considerably from device to device.

Managing Android’s Doze feature is critical to getting a good BatteryXPRT score. To show how involved this process can be, we thought it might be helpful to present the steps for one device. Below my sig are the configuration steps we used for the Huawei Mate 8, which we recently featured in the XPRT Weekly Tech Spotlight. For other phones we’ve tested, the steps have been quite different. We’re working on distilling our experience for our tips and tricks document, and the updated version of the document will be available soon. If you have any useful tips, please let us know.

Justin

Whitelist BatteryXPRT (there are two ways to do this)
1) Access Battery manager from Settings/Advanced settings or from the Phone Manager app on the home screen.
2) Select Protected apps.
3) Use the toggles beside BatteryXPRT and BatteryXPRT Tests to allow them to keep running after the screen turns off.

Configure sleep settings
1) Open Settings from the home screen.
2) Select Display.
3) Select Sleep.
4) Select Never. This may reset to a default setting on its own. In our case, it reset to 10 minutes.

Configure screen lock settings
1) Open Settings from the home screen.
2) Select Advanced settings.
3) Select Security.
4) Scroll to the bottom of the list and use the toggle to turn off Screen lock. This keeps the device screen from locking after standby periods during the test.

Posted in Android M, Android N, Battery life, BatteryXPRT 2014 for Android, Benchmarking, Mobile devices, Power consumption |

Category: Battery life

BatteryXPRT: A quick and reliable way to estimate Android battery life

If you’d like to run BatteryXPRT:

If you’d like to learn more:

If you’d like to dig into the details:

CrXPRT: a valuable tool for evaluating Chromebooks

Watch CrXPRT in action:

To test your Chromebook’s performance or battery life:

If you’d like to dig into the details:

BatteryXPRT 2014 gets an update

BatteryXPRT’s future

Personal preference

Sleep studies

Check out the other XPRTs: