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The Galaxy Z Flip 4 (left), Galaxy Z Flip 5 (heart) and Motorola Razr Plus (proper)
We take a look at each telephone in real-world situations, specializing in its options, design, efficiency, cameras, battery life and total worth. We doc our findings in an preliminary overview that’s periodically up to date when there are new software program updates, or to check it in opposition to new telephones from rivals akin to Apple, Samsung, Google and OnePlus. Under is our methodology for testing smartphones basically, which additionally applies to flip telephones.
Images
Images is a significant focus for many telephones as of late, so we take photos and movies of varied topics in quite a lot of settings and lighting situations. We check out any new digicam modes, akin to Motion mode that debuted with the iPhone 14 line, or the Unblur picture software that launched with the Google Pixel 7 collection.
Taking a photograph with the Galaxy Z Flip 5.
Battery life
Battery testing is performed in quite a lot of methods. We assess how lengthy a telephone lasts throughout a typical day of use and observe the way it performs throughout extra centered periods of video calls, media streaming and gaming. We additionally conduct a video playback take a look at, as a easy, replicable measure of pure battery life, which is not at all times included within the preliminary overview however typically added later in an replace.
Efficiency measuring
We use benchmarking apps to measure every telephone’s efficiency, alongside our personal anecdotal experiences utilizing the telephone for our overview. Of observe are how graphics and animations look. Are they clean? Or do they lag or stutter? We additionally take a look at how rapidly the telephone switches between horizontal and vertical orientations, and how briskly the digicam app opens and is able to take a photograph.
We carry out processor-heavy duties like modifying photographs, exporting movies and taking part in video games. We consider whether or not a more recent model of a selected telephone consists of sufficient options to make it price upgrading from older fashions.
Learn extra: How we take a look at telephones
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