: Upgrading to 144Hz or 240Hz+ displays significantly reduces display latency. Enabling "Game Mode" on monitors can also bypass internal image processing that adds delay.
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: Increasing DPI (e.g., to 1600 or 3200) can slightly reduce input lag, though in-game sensitivity must be adjusted to compensate. Software & GPU Optimizations 50 Ways To Improve FPS & Get Zero Input Delay : Upgrading to 144Hz or 240Hz+ displays significantly