# Resolution
> Resolution is the number of pixels used to make an image, video, or screen.
Topics: Entertainment, Smartphones
Difficulty: Everyday
Aliases: screen resolution
Updated: 2026-06-26T08:00:00.000Z
## Go deeper
Resolution is the number of pixels used to make an image, video, or screen. In everyday buying decisions, the useful question is not just what the spec says, but what it changes for comfort, cost, speed, safety, or battery life.