Category: Google Chrome

Another pronunciation lesson

on May 18, 2017

Knowing how to say the terms we read on-line can be a bit of a mystery. For example, it’s been 30 years since CompuServe created the GIF format, and people are still arguing about how to say it.

A couple of months ago, we talked about how to pronounce WebXPRT. In the video we pointed to, the narrator openly says he’s confused about how to say “XPRT.” For the record, it’s pronounced “expert.”

Recently, we came across another video, which referred to CrXPRT. The narrator pronounced it “Chrome expert.” The “expert” part is correct, but the “Chrome” part is not. It’s an understandable mistake, because Cr is the chemical symbol for chromium. That’s why we chose it! However, we pronounce the C and R individually. So, the name is said “C R expert.”

All that being said, it was great to see CrXPRT in the classroom! When we created CrXPRT, the education market was a big consideration, as you can tell from this CrXPRT video. We love seeing the XPRTs in the real world!

Eric

Posted in Chrome OS, Chromebooks, CrXPRT, Education, Google Chrome, WebXPRT |

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 |

Running Android-oriented XPRTs on Chrome OS

By Justin Greene

on March 30, 2017

Since last summer, we’ve been following Google’s progress in bringing Android apps and the Google Play store to Chromebooks, along with their plan to gradually phase out support for Chrome apps over the next few years. Because we currently offer apps that assess battery life and performance for Android devices (BatteryXPRT and MobileXPRT) and Chromebooks (CrXPRT), the way this situation unfolds could affect the makeup of the XPRT portfolio in the years to come.

For now, we’re experimenting to see how well the Android app/Chrome OS merger is working with the devices in our lab. One test case is the Samsung Chromebook Plus, which we featured in the XPRT Weekly Tech Spotlight a few weeks ago. Normally, we would publish only CrXPRT and WebXPRT results for a Chromebook, but installing and running MobileXPRT 2015 from the Google Play store was such a smooth and error-free process that we decided to publish the first MobileXPRT score for a device running Chrome OS.

We also tried running BatteryXPRT on the Chromebook Plus, but even though the installation was quick and easy and the test kicked off without a hitch, we could not generate a valid result. Typically, the test would complete several iterations successfully, but terminate before producing a result. We’re investigating the problem, and will keep the community up to date on what we find.

In the meantime, we continue to recommend that Chromebook testers use CrXPRT for performance and battery life assessment. While we haven’t encountered any issues running MobileXPRT 2015 on Chromebooks, CrXPRT has a proven track record.

If you have any questions about running Android-oriented XPRTs on Chrome OS, or insights that you’d like to share, please let us know.

Justin

Posted in Android, BatteryXPRT 2014 for Android, Chrome OS, Chromebooks, CrXPRT, Google, Google Chrome, MobileXPRT, MobileXPRT 2015, WebXPRT |

They’re coming!

By Eric Hale

on June 16, 2016

We’ve been hearing for a while about Google’s plan to bring Android apps to Chrome. They recently published a video on the Google Developers channel that gives us some idea of what running Android apps on a Chromebook would look like.

Because I’m very interested in performance, the claim “Android apps can run full speed, with no overhead and no performance penalties” got my attention. You can bet we’ll be using the XPRTs to check that out! We’re using a Google developer tool called ARC Welder to do some experiments. However, it’s not fair or valid to print performance results based on a developer tool, so we’ll have to wait until the official release to see what the performance is really like.

Obviously, the use cases for Chrome will be changing. The demos in the video are for workloads we associate with PCs. MobileXPRT-type workloads might be more appropriate, or, assuming the scripting tools are available, perhaps HDXPRT-type workloads. We’ll be watching these developments closely to see how they will affect our future cross-platform benchmark.

Eric

Posted in Android, Chrome OS, Chromebooks, Google Chrome, HDXPRT, MobileXPRT, PCs |

Focusing the spotlight

By Justin Greene

on March 24, 2016

As you may have heard, the Samsung Galaxy S7 is the XPRT Weekly Tech Spotlight this week. As we were testing it, we noticed that our WebXPRT scores were about 8 percent lower than those reported by AnandTech.

The folks at AnandTech do a good job on their reviews, so we wanted to understand the discrepancy in scores. The S7 comes in a couple of models, so we started by verifying that our model was the same as theirs. It was.

The next step was to check their configuration against ours, and this is where we found the difference. Both phones were running the same version of Android, but the S7 AnandTech tested used Chrome 48 while the S7 we tested came preloaded with Chrome 49. In our testing, we’ve noticed that upgrading from Chrome 48 to Chrome 49 has a noticeable performance impact on certain devices. On the Samsung Galaxy S6, the scores went down about 10 percent. In all cases we’ve seen, the decrease is driven largely by the Stock Option Pricing workload.

This isn’t the first time we’ve written about browser versions affecting results. WebXPRT is a browsing benchmark, and the browser has a legitimate impact on performance. When you’re comparing results, it’s always important to look at all the factors involved.

Justin

Last week in the XPRTs

We published the XPRT Weekly Tech Spotlight on the Samsung Galaxy S7.
We added two new BatteryXPRT ’14 results.
We added one new MobileXPRT ’15 result.
We added four new WebXPRT ’15 results.

Posted in AnandTech, Android, Android M, Benchmark metrics, Benchmarking, BenchmarkXPRT, BenchmarkXPRT development community, Google Chrome, WebXPRT, WebXPRT 2015 |

A couple of things

By Eric Hale

on April 2, 2015

We’ve heard about a couple of issues this week. The HDXPRT 2014 Convert Videos test uses the MediaEspresso application and requires hardware acceleration be configured. On some systems, this setting is not configuring automatically, which may result in lower scores. We’re working on a solution, but in the meantime there’s an easy workaround.

We’ve also found that some Chromebooks report extremely low battery use, as low as 0%, for the first couple iterations of the CrXPRT battery life test. This can cause CrXPRT to report results with a very wide confidence interval, with an interval greater than 15%. We’re looking at ways to detect and compensate for this. However, if you see results with a very wide confidence interval, we recommend that you use the rundown test.

In other news, we’ve been talking about Intel Developer Forum 2015 – Shenzhen for weeks, and the time is finally here! Bill and Justin get on the plane tomorrow. If you’d like to talk about the XPRTs, or any of PT’s other offerings, Bill and the team would be happy to meet with you!

Eric

Posted in Collaborative benchmark development, CrXPRT, Google Chrome, HDXPRT, IDF |

Category: Google Chrome

Another pronunciation lesson

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:

Running Android-oriented XPRTs on Chrome OS

They’re coming!

Focusing the spotlight

A couple of things

Check out the other XPRTs: