Confirmed, dark mode on mobile phones with OLED screens saves battery

dark mode save battery

Since the inception of dark mode, the tech world was divided into two types of people: those who loved/liked dark mode and those who hated/disliked this feature.

We already saw how to activate dark mode on instagram. Also how to activate the so-called night mode in Google Drive. And we have to know that in the new version Android 10 will have native dark mode.

For all of you who hate Dark Mode on Android or iOS, a new video might help you start liking the cool feature after all.

Does dark mode save battery? Everything indicated yes, and YES

According to a video posted by the PhoneBuff YouTube channel, the dark mode on an iPhone XS has shown that it has saved battery life, compared to its normal light mode.

The test was carried out on two iPhone XS models: one with light mode and one with dark mode.

With the help of robotic devices, similar tasks were performed on both devices. The tasks included messaging for nearly two hours, scrolling through Twitter (for two hours), and another two hours on YouTube.

This was followed by the use of Google Maps for navigation, which was to be done for another two hours. However, the iPhone XS with light mode enabled died before the end of two hours, making the iPhone XS with dark mode a winner.

At the end of the test, the iPhone XS in screen dim mode had a 30% battery, which suggests that the feature can save up to 30% more battery than normal mode or with the usual interface.

Here is the video to know what the test consisted of:

What to keep in mind about mobile night mode?

While dark mode seems to have a considerable benefit, one thing worth noting is that the iPhone XS relies on an OLED display panel. In Android, almost all Samsungs use OLED screens, as well as some Xiaomi, Huawei, among other mobiles. This shows us that the battery-saving ability of the dark option is possible on smartphones with OLED screens rather than those with LCD screens.

This is because dark mode works best on OLED screens, as the OLED pixels are completely off, while the LCD pixels still emit some light.

Another thing to consider is that the test was done on apps that support dark mode, with different use cases and a brightness level of 200 nits. Therefore, the results in other situations may be different.

Google (at its Annual Dev Summit 2018) confirmed that dark mode on Android saves battery life, therefore we can expect the same from the iOS counterpart. Google's ad, supported by video, seems to prove this point.

Are you an enemy or are you pro dark mode? Comment your opinion in the comments section below.

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