What’s the Best Web Browser for High Battery Life

Do you have a notebook with a somewhat poor battery lifetime? If so, you might want to try a web browser that’s able to take advantage of the power saving features included with Windows 7 or Windows 8. The guys at Test Comparison tested all the major browsers and had some very surprising results. Read on to learn which browser is best at squeezing more time out of your laptop’s battery. Is it Google Chrome? Is it Internet Explorer? Or is it Firefox?

The Testing Procedure

They tested all the major web browsers: IE 9, IE 10 beta (included in Windows 8 Consumer Preview), Google Chrome 18, Mozilla Firefox 11 and Opera 11.62, with no addons were installed.

Internet Explorer vs Firefox vs Chrome vs Opera

They used a two and a half years old laptop – an HP Pavillion dv7 2185dx with the following hardware configuration:

Intel Core2 Quad CPU Q9000 @ 2.00 GHz, 6 GB of RAM DDR2, ATI Mobility Radeon HD 4650. This model is marketed as a desktop replacement and battery time was never its strength.

The tests were made on a clean Windows 7 installation, with all Windows Updates installed and no other software than the browsers being tested using the Power saver Power plan.

Since Internet Explorer 10 beta is available only in Windows 8, a clean installation of Windows 8 Consumer Preview was used on the same laptop with same power plan using the same modifications.

The benchmark used was the Peacekeeper battery test, which tests your browser until your battery runs down and Windows puts your computer to sleep. The test was repeated three times for each browser and the results were recorded. Some of the test runs were unsuccessful due to various reasons: the Internet connection stopped working for a short while during some tests, Peacekeeper was not able to record the results of some tests while in other runs I encountered browser crashes.

For each browser the results of three successful test runs were recorded and the necessary averages were calculated to make the comparison between results.

Observations: Google Chrome – Very Unstable & Internet Explorer 10 beta – Constant Results

Out of all browsers, Google Chrome stood out as the most troublesome. Most of the tests did not finish successfully. First, there were issues with the browser crashing in the middle of testing. Then, many tests simply did not end well and Peacekeeper was not able to record the results, for unknown reasons. Also, during most tests, the screen of the laptop was becoming active at random intervals, as if mouse or keyboard movements were detected. This was strange, because the laptop was simply sitting on a table, not bothered by anyone. This lowered the battery lifetime when testing Google Chrome, as the screen consumed more energy than in the tests made with other browsers. Again, the cause for this behavior is unknown and it was encountered only when testing Google Chrome.

Internet Explorer 10 beta had the most constant results. The variations between tests were extremely small, both in terms of the average performance score and how long the battery lasted. For example, the difference between the best and the worst result was only of 4 minutes. The least constant browser was Mozilla Firefox. The difference between the worst and the best test result was 21 minutes.

All browsers, except Google Chrome, ran the tests without any major issues and were very stable in their behavior.

Test Results: Internet Explorer Delivers the Most Battery Lifetime

Below you can see the averages of the results obtained during the tests.

NOTE: The screenshot with data was updated since its initial version, so that it is clear that Internet Explorer 10 was tested just to give an idea of the improvements present in Windows 8. It was not included for other purposes.

Internet Explorer vs Firefox vs Chrome vs Opera

If you want to choose the browser that gives you the maximum battery lifetime then your best bet is Internet Explorer 9 in Windows 7. Internet Explorer 10 in Windows 8 appears even better at using the power saving features included in Windows 8 and delivers slightly more battery life and browsing performance.
Both browsers had very similar results, delivering an average battery lifetime of 104 minutes (Internet Explorer 9) and 108 minutes (Internet Explorer 10).

If you look at the average performance score, the winner is Google Chrome, by a huge margin (132% better) when compared to Internet Explorer 9. However, you get the worst possible battery lifetime out of all browsers (18% lower). It seems that Google Chrome doesn’t use the power saving features included with Windows 7 and uses all the resource available.

However, if you want a mix between browsing performance and battery lifetime, your best choice is Opera. Opera was always close to Internet Explorer 9 in terms of battery lifetime (only 4% lower) while delivering browsing performance that’s 83% better.

Conclusion

If I were to pick the winners, they would be Internet Explorer and Opera. Depending on what matters most to you, they are your best choice while browsing the web in battery mode.
Before you close this article, please share your experience with using different browsers while running on battery. Are the results above similar to what you have experienced?

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