Explainers
How we test, and the science behind the scores.
Published June 19, 2026
How we test performance
How a smartphone performs has a major impact on day-to-day use. Here's how we test the performance of smartphones.
Published June 16, 2026
How we test batteries
We thoroughly test phone batteries to see which devices last longer under a variety of different workloads. Here's how we conduct those tests.
Published June 11, 2026
How we test cameras
The camera of a smartphone has become the most important component to many people. Here's how we test smartphone cameras and what our camera scores mean.
Published June 8, 2026
How we test displays
A smartphone's display is the main way you actually interact with it. Here's how we test phone displays, and what our results actually mean.