LG Shows Off A 540Hz 27-Inch OLED Monitor That Can Hit A Blistering 720Hz

Do you want an OLED display, or a gaming monitor with a screaming-fast refresh rate? LG Display says you can have both. Over at the K-Display 2025 event, LG Display announced a number of "historic firsts," including a 27-inch OLED monitor that it claims is the fastest of its kind in the world. It's not kidding, either—it rocks a 540Hz refresh rate, but can go even higher.

You already know how high from the headline, but by applying Dynamic Frequency and Resolution (DFR) technology to the 27-inch panel, LG Display says you can crank it all the way up to 720Hz. The caveat? You have to drop down from the monitor's native QHD (2650x1440) resolution to 720p (1280x720).

This is essentially another dual-mode display, which are starting to become more common. The idea behind dual-mode displays is that you can switch between the monitor's native resolution ...