A higher refresh rate is not automatically the better gaming monitor.

When people shop for a gaming monitor, the number on the box often comes first: 144Hz, 240Hz, or a jump from a 120Hz screen to a faster one. That number is a ceiling, not a promise. It only helps if your computer or console can actually reach it in the games you play, at the resolution you want.

Start there. If you play at 1440p or 4K, check whether your graphics card or console can hold a high frame rate in the titles you care about. A light menu or a simple game is not the test. If it cannot, a 240Hz panel may feel a lot like the 120Hz or 144Hz screen you already have.

Then check how the picture gets there. High refresh rates and high resolutions need a cable and a port that can carry that signal. A port or cable that is fine for 60Hz can be the reason a 240Hz or 4K screen never gets there.

Panel type is a later question. OLED, IPS, and VA each trade contrast, motion, and how the screen looks with static toolbars or HUDs. Those differences matter, but they do not replace the first check. The same is true of a large TV versus a desk monitor: one may suit a couch, the other a desk, and the useful one is the one that matches how and where you play.

Map what your computer can output, then compare screens.