Opera Power Saver launches

Martin Brinkmann
May 12, 2016

Opera Power Saver is a new feature implemented in Opera 39 designed to improve battery life of mobile device when Opera is used as a web browser.

A new Power Saver icon appears in Opera's main toolbar when the power cable of the laptop is unplugged from the device, This indicates that power saver mode is ready for use.

A click on the icon reveals whether the feature is enabled or not, and a toggle lets you switch its state easily.

The browser will suggest to enable the power saver mode automatically when battery of the device is running low so that you can squeeze additional minutes of screen time out of the device before it runs out.

Opera Power Saver Mode

opera power saver

You find an option in the settings under browser to always show the power icon, but there does not seem to be a preference right now to always enable power saver mode when the device is unplugged.

The power savings come from optimizations such as reduced background tab activity, video playback parameter tuning and an adaptive page-redrawing frequency according to Opera.

How good is Opera Power Saver?

Opera ran tests to compare the power saver mode of the Opera browser to other browsers, and in particular Google Chrome and Opera without power saving mode.

According to the company's test, Opera 39 Developer Edition was able to run 3 hours longer than "browsers like Google Chrome" on a laptop running a 64-bit version of Windows 10.

While this has to be confirmed by independent tests and especially on more devices, it is quite an impressive feat. Still, mileage may vary depending on the laptop in question, the web activity and other activity on the device.

The new feature does not keep track of statistics currently which makes it difficult to judge its effectiveness when it comes to the power saving functionality on individual devices.

It would be great if the browser would make some calculations in the background to provide information about the average power consumption when power saver is enabled and when it is not.

All in all, it is an interesting new feature that sets Opera apart from competing browsers. I wish it would offer more options and statistics though.

The new power saving mode is just one of the new features that Opera Software added to the web browser this year.

The company launched a native ad blocker in Opera Stable this month for instance, making it the first major web browser (from a market share point of view) to do so.

Another first was the integration of a browser proxy in Opera which improves privacy while Opera is being used.

Opera Developer can be downloaded from the official Opera website, and it can be installed alongside the stable version of the web browser.

Opera 39 Power Saver Mode
Article Name
Opera 39 Power Saver Mode
Opera 39 ships with a new Power Saver feature designed to improve battery life of mobile device when Opera is used on systems running on battery.
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  1. GunGunGun said on May 13, 2016 at 11:18 am

    I just curious how this feature work ?

    1. Brandon said on May 22, 2016 at 4:12 am

      It’s explained in their blog post here: https://www.opera.com/blogs/desktop/2016/05/introducing-power-saving-mode/

      We made several under-the-hood optimizations to deliver these savings:

      Reduced activity in background tabs
      Waking CPU less often due to more optimal scheduling of JavaScript timers
      Automatically pausing unused plug-ins
      Reduced frame rate to 30 frames per second
      Tuning video-playback parameters and forcing usage of hardware accelerated video codecs
      Paused animations of browser themes

  2. Paul said on May 12, 2016 at 7:25 pm

    VPN now only on Private Window. :-(

  3. Yuliya said on May 12, 2016 at 3:48 pm

    I personally use Power saver profile with limited CPU usage to 50% when on battery. Though I’d like this to be available when using the laptop with charger connected as well, to limit heat output.

  4. Jimbob said on May 12, 2016 at 11:37 am

    I just want a way to show cached images only in all new tabs, and a quick way to toggle that, just like the old Opera 12.
    That’s what is holding me back from using the new Opera.

  5. Bryan Kuro said on May 12, 2016 at 11:13 am

    Awesome! This is really nice news and I can’t wait for it to hit the stable build. I wonder if Google’s Chrome team is working on something similar.

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