This refresh rate test measures your monitor's active refresh rate (Hz) and frame synchronization directly inside your browser. Verify whether your display is properly running at its advertised 60Hz, 144Hz, 240Hz, or higher refresh rate.
V-Sync Locked Hardware Timing
Check pixel response times and overdrive artifacts with high-speed moving elements.
Check pixel response times and overdrive artifacts with high-speed moving elements.
Check for horizontal tear lines during motion to verify active V-Sync, G-Sync, FreeSync, or VRR support.
