Opera challenges Microsoft’s battery test results, claims its browser consumes less battery than Edge

By: Madeleine Dean
2 minute read

Microsoft  recently performed a test to determine which browser consumes less battery, lining up Edge, Opera, Chrome and Firefox to try and find a new argument to convince users to switch to Edge.

According to Microsoft’s test results, Edge offers superior battery management and is the most battery friendly browser, followed by Opera, Firefox, then Chrome. The battery on the laptop running Edge lasted for 7 hours and 22 minutes, the battery on the laptop running Opera lasted for 6 hours and 18 minutes, followed by Firefox with 5 hours and 9 minutes and Chrome with a 4-hour 19-minute battery life.

Naturally, the results were very surprising given that Opera had long boasted about its Battery Saver feature with claims of extending laptop battery life by almost 50%. As such, it didn’t take long for Opera to react and challenge Microsoft’s battery test results.

In retaliation, Opera also performed a battery test on three browsers: Edge, Chrome and its own browser. The company managed to prove that its Opera browser consumed 22% less battery than Microsoft Edge:

This Monday, however, Microsoft released a video, similar to the one we made, showing Microsoft Edge winning in their [battery] test. Following the video was an extensive blog post and obviously a huge PR effort, and it was argued that the test showed that Edge beats Firefox, Chrome and Opera.

Like most other engineering teams, we love it when someone picks a fight. If we get beaten in a test like this, we consider it a bug.

The Opera team wasn’t able to replicate the exact same test performed by Microsoft since Redmond didn’t reveal the methodology behind its test. On the contrary, Opera offered full details about the methodology they used and according to their test results, the Opera browser with native ad blocker and power saver enabled is able to run 22% longer than Microsoft Edge and 35% longer than Google Chrome.

However, if Microsoft really wants to prove that its browser performs better than others (in any regard), the company should be transparent about its methodology so that others can replicate it.

For the time being, Microsoft hasn’t issued any comments and Google seems to have resigned itself to the fact that its browser always achieves last place positions in performance tests.

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