The Galaxy Z Flip 4 (left), Galaxy Z Flip 5 (heart) and Motorola Razr Plus (proper)
We take a look at each cellphone in real-world situations, specializing in its options, design, efficiency, cameras, battery life and general worth. We doc our findings in an preliminary evaluation that’s periodically up to date when there are new software program updates, or to match it in opposition to new telephones from rivals resembling Apple, Samsung, Google and OnePlus. Under is our methodology for testing smartphones usually, which additionally applies to flip telephones.
Images
Images is a serious focus for many telephones lately, so we take footage and movies of varied topics in quite a lot of settings and lighting situations. We check out any new digicam modes, resembling Motion mode that debuted with the iPhone 14 line, or the Unblur photograph 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 cellphone lasts throughout a typical day of use and notice 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 all the time included within the preliminary evaluation however 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 evaluation. Of notice 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 modifying pictures, exporting movies and enjoying video games. We consider whether or not a more moderen model of a selected cellphone contains sufficient options to make it value upgrading from older fashions.
Learn extra: How we take a look at telephones
