With a 60Hz test signal, the Predator X25 shows an input lag of 1.4 milliseconds. This is an interesting tool, but we can't judge its usefulness or accuracy without seeing it on a few more monitors.Īs for traditional input lag (the amount of time between when a monitor receives a signal and the screen updates), we test that with an HDFury Diva HDMI matrix. A measure of the lag between your clicks and shots in the game will appear in the upper right corner of the screen. To enable it, you select Nvidia Reflex Latency Analyzer under G-Sync Processor in the OSD, plug your compliant mouse into the red USB port on the monitor, and set the detection rectangle (which it monitors for changes, such as muzzle flashes) based on the layout of the shoot-'em-up you’re playing. This is different from the input lag we test, which is purely how fast the screen changes with a signal, but it can offer some feedback about your mouse’s responsiveness. Reflex tests the lag time between mouse clicks and your gunfire onscreen, letting you know how much time you might be losing with each shot. The Predator X25 is packed with gamer-focused features, including the new Nvidia Reflex latency tester built into the OSD. It covers only 79.7% of the gamut, while the Asus ROG PG259QN covers 98.3%, the Porsche Design AOC Agon PD27 covers 89.4%, and the MSI Optix MAG274QRF-QD covers 96.8% of DCI-P3 (and all of these easily cover sRGB).

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