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We test each phone in real-world scenarios, focusing on its features, design, performance, cameras, battery life and overall value. We document our findings in an initial review that is updated periodically when there are new software updates or to compare it to new phones from competitors like Apple, Samsung, Google and OnePlus.
The Galaxy Z Flip 5 has mostly the same camera hardware as the Z Flip 4. But the new chip brings some image processing improvements.
Photo
Photography is the main focus for most phones these days, so we take pictures and videos of different subjects in different settings and lighting scenarios. We try out all the new camera modes, like ProRes Log video that debuted with the iPhone 15 Pro and 15 Pro Max, or the Magic Editor photo tool that launched with the Google Pixel 8 series.
Battery life
Battery testing is done in different ways. We estimate how long the phone lasts during a typical day of use and record its performance during more focused sessions of video calls, media streaming and gaming. We also run a video playback test, as a simple, repeatable measure of pure battery life, which isn’t always included in the initial review, but is sometimes added later in an update.
Performance measurement
We use benchmarking apps to measure each phone’s performance, along with our own anecdotal experiences using the phones for our review. Most notable is how the graphics and animations look. Are they smooth? Or do they lag behind or stutter? We also look at how quickly the phone switches between landscape and portrait orientation and how quickly the camera app opens and is ready to take a photo.
Emergency SOS may be one of the most important features to hit any phone this year.
We perform CPU-intensive tasks such as photo editing, video exporting, and gaming. We evaluate whether a newer version of a particular phone contains enough features to make it worthwhile to upgrade from older models.
Read more: How we test phones
