Refresh rate explained: 60Hz vs 90Hz vs 120Hz vs 144Hz

What refresh rate actually is

Refresh rate, measured in hertz (Hz), is how many times per second a screen redraws the image. 60Hz means 60 redraws a second; 120Hz means 120. A higher refresh rate makes motion — scrolling, animations, fast games — look smoother, because the picture updates more often and each frame is on screen for less time.

It's not the same as frame rate. Frame rate is how many frames the device produces; refresh rate is how many the screen can show. A screen can only display as many frames as its refresh rate allows, so a 60Hz panel caps you at 60 fps no matter how powerful the hardware.

Can you actually see the difference?

Yes — up to a point. The jump from 60Hz to 90Hz or 120Hz is genuinely noticeable: scrolling and animations look markedly smoother and most people spot it instantly. Beyond 120Hz the returns shrink fast. 144Hz and higher mainly help competitive gamers, who benefit from the lower latency, not everyday users.

For video it barely matters: films and most streaming are 24–60 fps, so a refresh rate above 60Hz adds little to a movie. The benefit is in interaction — scrolling, gaming and animation — not playback.

How much do you need?

For a phone or an all-round monitor, 120Hz is the sweet spot — smooth, widely available and cheap on both budget and battery. 90Hz is a fine middle ground on lower-cost phones. Save 144Hz and above for a dedicated PC gaming monitor, where a fast GPU can actually push those frames. And remember the golden rule: a high refresh rate only helps if the device can produce enough frames to use it.