Windows 10: Microsoft Edge now gets even more out of your battery

Brink · Sep 14, 2016

Back in June, we shared a look at Microsoft Edge’s industry-leading efficiency, which allows Microsoft Edge users to rely on more battery life than the other browsers we tested. With the Windows 10 Anniversary Update, we made a number of additional improvements to make Microsoft Edge last even longer, and today we’re rerunning our tests with the latest version of each tested browser to see how things match up.

At the risk of giving away the ending, the results may look familiar! With the Windows 10 Anniversary Update, Microsoft Edge is more efficient than ever, and still the best choice for extending your battery life on Windows 10 – up to 24%-43% more efficient than the competition for general purpose browsing, and lasting up to 23%-69% longer when streaming video.

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Netflix streaming test conducted on identical Microsoft Surface Books.
See methodology document for details.
Microsoft Edge is even more efficient for browsing the Web

Our improvements to Microsoft Edge, as well as improvements to Windows as a whole, have paid off with 12% better overall rendering efficiency in simulated browsing (compared to Windows 10 version 1511).

Of course, our competitors haven’t been sitting still! We’re thrilled to see the response our first round of tests inspired, including battery life improvements landing in recent releases of other browsers, as well as a spirited debate over methodology and results.With that in mind, we’d be remiss if we didn’t check in on the progress of each browser we measured. We repeated our lab test on the latest stable releases of Microsoft Edge, Google Chrome, Mozilla Firefox*, and Opera (with Battery Saver on) on identical devices running the Windows 10 Anniversary Update. How did it go?

Average power consumption in milliwatts for identical workloads in Microsoft Edge, Google Chrome, Mozilla Firefox, and Opera (with battery saver mode enabled). Unless specified, all browser settings were left at their defaults. See methodology document for details. *Firefox 47 was tested, due to a limitation in Firefox 48 that prevents our web driver tests from working properly.

We’re thrilled to see improvements across the board, but the trend may look familiar! Microsoft Edge remains the most efficient browser on Windows 10, offering 24%-43% more efficiency across a sample of typical activities including video playback, multi-tab productivity, shopping, social media, and more.

Microsoft Edge lets you stream even longer

Our customers are experiencing improved battery life with Microsoft Edge every day, and the easiest way to see it for yourself is to watch it in action! In the video above, we repeated our Netflix streaming test on the Anniversary Update, and Microsoft Edge lasts up to 23%-69% longer than the other browsers we measured – more than 90 minutes longer than Google Chrome.

The Chrome team recently released a similar video, where they focused on comparing the latest version of Chrome to a release from last year to demonstrate some improvements. However, they didn’t include other browsers in this test. Because the format was so similar to our tests, we shot a second video to compare like for like, this time using their methodology: looping the same video from Vimeo, instead of Netflix. In this test, Microsoft Edge lasted even longer – more than 13 hours! – and still beats Chrome by more than an hour. Microsoft Edge even lasted 62% longer – more than five hours! – when compared to Firefox.

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Vimeo streaming test conducted on identical Microsoft Surface Books.
See methodology document for details.
Regardless of which test you choose, the conclusion is the same: Microsoft Edge lets you browse and watch longer, so you can get more out of your devices without worrying about finding an outlet.

Realistic and transparent power tests

From the moment we decided to revisit our tests, we were committed to measuring real-world scenarios with a completely transparent methodology. To back up our results, we’re open sourcing our lab test on GitHub and publishing the full methodology for our video tests, so anyone can see the setup and even reproduce the tests independently.

While we’ve open sourced the tests and made some minor updates to maintain compatibility with updates to third party browsers, our approach is very similar to our previous tests. We measured efficiency in a few different ways:

In our lab test, we simulated common real-world activities like searching, watching videos, shopping, and reading e-mail, using multiple tabs with background activity to simulate a natural browsing session and measuring power consumption directly with hardware instrumentation. We’ve open-sourced this full test, and you can see everything you need to reproduce the lab tests for yourself on our GitHub repository here, or review the methodology document here.

Next, we repeated our video rundown test, looping a streaming video on a range of identical devices and recording when each died. You can find the video test methodology documented here (Netflix test) and here (Vimeo test).

Results confirmed by real-world measurements

We’re confident in the quality of our tests, but ultimately nothing beats real-world experiences. To validate our improvements and make sure we’re giving our customers the best experience possible, we monitor aggregated telemetry on power consumption from millions of Windows 10 devices around the world.

Let’s check in on the Anniversary Update numbers and see how each browser fares!

These numbers are from actual Windows 10 (version 1607) devices used in the real world, not artificial tests or hypotheses. People using Microsoft Edge continue to get more out of their battery every day.

This data is consistent with the lab results above, demonstrating that Microsoft Edge is more efficient in real-world, day-to-day use than the competition.

What improved in the Anniversary Update

The improved efficiency with the Windows 10 Anniversary Update reflects a number of updates across the product, including improved background tab efficiency, more efficient Flash, improvements to the app frame itself, and improved networking. You can learn more about how we designed Microsoft Edge in the Windows 10 Anniversary Update for efficiency in our blog post on the Microsoft Edge Dev Blog, Building a more power efficient browser.

A continued focus on longer battery life

There is more to come! We understand how important battery life is to Windows customers, which is why we’re passionate about making Microsoft Edge the most power efficient browser on Windows 10. We’ll continue to deliver power-saving features and optimizations in the upcoming releases, using fewer CPU cycles and minimizing the impact of background activity when tabs are visible and out of view. All so you can do more and use less.
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Source: Microsoft Edge now gets even more out of your battery | Windows Experience Blog

:)

alirezanadi · Sep 14, 2016

edge battery usage

Hi there,

I've purchased Lumia 950 xl a few days ago. It's quite shocking to me that Microsoft edge eats my battery much more than any other installed app. It's never comparable to that of the other apps even in their fullest running times. What's wrong with edge?
How can l improve it to make it more battery-friendly? I love to use edge not any other browsers. Note that my windows phone is the latest update available. Thanks for your help.

Alireza Nadi

PianSa · Sep 14, 2016

Question on a calculator program

This has truly been such a disaster!

All because of the troubleshooter detecting that the temp environment is in the wrong location!

It turned out to be more trouble!

And even the Microsoft Edge which I can use before has gotten really slow now!

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Get more out of your battery with Microsoft Edge