# Adaptive refresh rate
> Adaptive refresh rate lets a display slow down or speed up depending on what is on screen.
Topics: Smartphones, Power & batteries
Difficulty: Getting technical
Aliases: variable refresh rate, VRR
Updated: 2026-06-26T08:00:00.000Z
## Go deeper
Adaptive refresh rate lets a display slow down or speed up depending on what is on 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.