SCREEN 📌 Quick Summary: A 165Hz test verifies that your gaming monitor is running at its full refresh rate. Our free online tool also checks for ghosting, motion blur, and dead pixels — all in under 60 seconds.
165Hz Test — Free & Online
165Hz monitors offer a noticeable improvement over 144Hz. Our 165Hz test helps you verify your refresh rate and detect any issues that could affect your gaming performance.
What Our 165Hz Test Checks
- Refresh rate — Confirms your monitor runs at 165Hz
- Ghosting — Motion blur and trailing behind moving objects
- Motion blur — Blur caused by slow pixel transitions
- Dead pixels — Permanently black dots that never light up
How to Run a 165Hz Test
- Set your monitor to 165Hz — In Windows/Mac display settings.
- Use a DisplayPort cable — HDMI may limit refresh rate.
- Click "Start Full Diagnosis" — The test runs in fullscreen mode.
- Follow the on-screen instructions — Advance with Space or click.