It’s easy to get lost in techno-speak when trying to find a gaming monitor, but it’s actually not too hard to understand what refresh rates are. In the simplest terms, the refresh rate is how many times per second the image on your screen is refreshed (updated). There are two standard refresh rates: 60Hz and 120Hz.

Normally, a display runs at 60Hz, which means the screen is refreshed sixty times per second. With 120Hz monitors, you get twice as many refreshes: 120. This increase in Hz will generally lead to smoother game play and motion.
For the sake of simplicity, let’s just say that refresh rate equals the number of times a screen updates itself. Most monitors refresh at 60Hz, or 60 times per second. This is measured in Hertz (Hz), where 1 Hz = 1 cycle per second. The more times your screen updates within a single second, the smoother things look onscreen—a higher refresh rate means smoother gameplay.
While most users will be completely satisfied with a gaming monitor that refreshes at 60Hz, the true gamer will tell you that those extra-smooth, fluid motions can’t be replicated at just any old 60Hz. Instead, they’re found in 120Hz and 240Hz gaming monitors.