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The iPhone XS has 21 minutes ahead of the 2017 iPhone X and separates the Google Pixel 3 from a half hour earlier than the Pixel 2, the Washington concludes Post based on his own research. The results of the article are confirmed by several other commentators, although they strongly depend on the chosen test method.
Batteries improve on average by 5% per year, but the energy demand of smartphones is growing faster than 5%, explains Nadim Maluf. , specializing in battery optimization, at the Washington Post. Not only because we use our smartphones more intensively, but also because of higher screen resolutions and more complex applications. The arrival of 5G will be an additional burden for batteries
Oled gets worse results
The Washington Post study shows that more sophisticated displays are a heavy burden for batteries. For example, devices with OLED displays and those with higher resolutions may not work as well.
This explains why, for example, the iPhone XR is one of the few devices this year to do better than the devices of previous years. The XR has an LCD screen (not Full HD), while the XS has an OLED screen with more pixels. The XR therefore lasts three hours longer than the XS. Not bad for a device that costs 300 euros cheaper.
Bigger Battery
The other device that did better in the Washington Post test is the Samsung Galaxy Note 9. The good performance of the note 9 is due to the larger battery. Instead of the 3300 mAh battery included in Note 8, the new device comes with a 4000 mAh battery.
The disadvantage of a bigger battery is that the camera becomes heavier and the danger of a battery explodes. is bigger.
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