How we test 5G phones

To test phones with 5G connectivity, we take them out into the field to measure download speeds with the Speedtest.net app. When possible, we compare that speed to a comparable phone on the same wireless network to try and gauge the improvement that 5G has to offer. We also take note of how the phone performs when 5G coverage isn’t available.

Because so much of that 5G performance hinges on the wireless network and not the phone itself, though, we give greater weight to the criteria by which we judge all phones. We run an array of benchmarks on every phone — both synthetic benchmarks as well as real-world tests like transcoding a 4K video to 1080p and timing how long it takes. Our lab also measures the brightness and color accuracy of each phone’s display. Our proprietary battery test determines longevity on a charge by endlessly streaming web pages over an LTE network; we then recharge the tested phones to see how quickly they charge in 15-minute intervals.

To measure camera performance, we shoot images under a variety of conditions, comparing the results to photos produced by cameras in the same price range.

For 5G phones, we also consider the price of the device compared to comparable LTE handsets.

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