A battery life comparison shows that the base Galaxy S24 model in Samsung’s latest flagship series lineup packs quite a punch. The phone doesn’t just offer a big battery life boost over its predecessor — it even outlasts direct competitors from Apple. The iPhone 15 Pro and the base iPhone 15 died in these tests several hours before the Galaxy S24 did.

The Galaxy S24 Ultra is the undisputed star of the Galaxy S24 series, thanks to a combination of exclusive features that aren’t available anywhere else. Some of these features are a direct result of the phone’s larger footprint.

The Galaxy S24 Ultra has the biggest display. It can accommodate more cameras on the back and has a built-in stylus. Despite the extra components, the Galaxy S24 Ultra still features a large 5,000 mAh battery that will get you through the day.

Samsung Galaxy S24 Ultra Display
Samsung Galaxy S24 Ultra Display Image source: Christian de Looper for BGR

Battery life is one of the Ultra’s advantages over its siblings and other rivals. In our Galaxy S24 Ultra review, we found that the handset will have no problem lasting through the day. It might even get you two days of battery life, depending on how you use it: 


Powering it all is a 5,000mAh battery, and I found that it was able to easily get me through a full day of use, and in times of lighter use, I could stretch it to two days. In a video playback test with the phone at full brightness, it actually lasted over 28 hours, making it one of the longest-lasting phones I’ve tested in the past year or so. Now, of course, most people won’t simply watch videos on their phone — but even in mixed-use, the device has excellent battery life.

The Galaxy S24 has much better battery life than the iPhone 15

The folks at Tom’s Guide put the Galaxy S24 phones through identical battery life tests. The phone surfs the web over a cellular connection (5G) and at 150 nits of screen brightness until it runs out of power. Like a battery-life test that involves video playback, this test might not be good enough to replicate mixed-use. But it’s an objective test if all the devices are treated the same.

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