The Galaxy Z Flip 4 (left), Galaxy Z Flip 5 (middle) and Motorola Razr Plus (proper)
We check each cellphone 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 match it towards new telephones from opponents comparable to Apple, Samsung, Google and OnePlus. Beneath is our methodology for testing smartphones on the whole, which additionally applies to flip telephones.Â
Pictures
Pictures is a serious focus for many telephones, so we take photos and movies of varied topics in a number of settings and lighting situations. We check out any new digicam modes, such because the revamped Motion mode on the iPhone 15 line, or the Magic Editor picture instrument that launched with the Google Pixel 8 sequence.
Taking a photograph with the Galaxy Z Flip 5.
Battery life
Battery testing is carried out in a wide range of methods. We assess how lengthy a cellphone 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 check, as a easy, replicable measure of pure battery life, which is not at all times included within the preliminary overview however is typically added later in an replace.
Efficiency measuring
We use benchmarking apps to measure every cellphone’s efficiency, alongside our personal anecdotal experiences utilizing the cellphone 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 shortly the cellphone 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 enhancing pictures, exporting movies and taking part in video games. We consider whether or not a more recent model of a specific cellphone contains sufficient options to make it value upgrading from older fashions.
Learn extra: How we check telephones
