The CHG90 boasts an impressive 32:9 ratio screen with 3840 x 1080 resolution. The QLED handles HDR content and provides blacks almost as deep as the ones found with the more expensive OLEDs. The curvature of the screen allows for an immersive gaming experience, while the 1 ms response time and 144 Hz refresh rate enable smooth framerates.
https://www.notebookcheck.net/Samsung-outs-49-inch-32-9-super-ultrawide-QLED-gaming-monitor.257546.0.html