Tip: Different operating systems and graphics card drivers have different refresh rate support. Common issues include: graphics card drivers not installed, insufficient cable bandwidth, and the monitor itself not supporting high refresh rates. If you cannot find refresh rate settings, check the "Information" or "System" options in the monitor OSD menu. After completing the settings, it is recommended to re-run refresh rate testing and frame count detection.
Free Online Screen Refresh Rate Test · Refresh Rate Test · Local Detection
Screen Refresh Rate Test - Refresh Rate Test
The screen refresh rate test tool is used to detect the actual refresh rate output, frame rate stability, and frame time fluctuations of a display, helping determine whether the monitor meets its rated refresh rate. Through real-time frame rate monitoring, motion picture testing, and frame time distribution analysis, it provides accurate frame rate testing and frame count detection data, supporting screen refresh rate detection, monitor refresh rate testing, and refresh rate detection. Start the screen refresh rate test now, evaluate the actual refresh rate level of your monitor in 10 seconds, and complete your screen refresh rate test verification.
—
HzReal-time Frame Rate · EMA Smoothing
Frame Rate Stats0 frames
📊 Current Frame Rate—
🔺 Max Frame Rate0 FPS
🔻 Min Frame Rate— FPS
📈 Average Frame Rate0 FPS
🎯 P95 Frame Time—ms
Motion Test
Frame Time Distribution Threshold 20ms
Display CapabilityDetecting…
Refresh Rate Standard Reference
60HzStandard refresh rate · 16.67ms frame interval · Smooth for daily office use
120HzHigh refresh rate · 8.33ms frame interval · Entry-level esports standard
144HzEsports mainstream · 6.94ms frame interval · Noticeably smoother experience
240HzEsports flagship · 4.17ms frame interval · Ultimate competitive experience
Learn More About Screen Refresh Rate Testing and Refresh Rate Testing
Professional monitor refresh rate testing and frame rate stability detection tools to help you quickly evaluate screen dynamic smoothness
What is a screen refresh rate test? What does monitor refresh rate mean?
Screen refresh rate test, also known as refresh rate test or monitor refresh rate test, is a screen test tool that detects the actual refresh rate output, frame rate stability, and frame time fluctuations of a display through browser-based online detection. Many users ask what does monitor refresh rate mean; simply put, it represents the number of times the screen can update its image per second, measured in Hertz (Hz). The higher the refresh rate, the smoother the image transitions, and the lighter the motion blur and ghosting. This refresh rate test tool uses real-time frame rate monitoring, motion picture testing, frame time distribution analysis, and display capability evaluation to help users determine whether their monitor is operating at its optimal refresh rate. Through the screen refresh rate detection, frame rate testing, and frame count detection features provided on this page, you can intuitively see the real-time refresh rate values and fluctuations.
Unlike other screen test software that requires installation, this screen refresh rate test is entirely based on native browser rendering and animation APIs, requiring no downloads or plugin installation. After opening the webpage, simply click start to perform refresh rate detection, frame rate testing, and frame count detection, with support for real-time frame rate monitoring, multi-speed motion testing, frame time distribution charts, and fullscreen testing—an ideal choice for quickly verifying monitor refresh rate performance. It is recommended to switch between different motion speeds during testing to obtain more comprehensive screen refresh rate and monitor refresh rate test data.
Why perform a screen refresh rate test? What monitor refresh rate is considered normal?
Monitor refresh rate directly affects visual smoothness in gaming and daily operations. If the actual monitor refresh rate is lower than the rated value (for example, rated at 144Hz but measured at only 60Hz), it may be due to system settings, cable bandwidth, graphics card drivers, or the monitor itself. Through monitor testing and refresh rate testing, these issues can be quickly identified, which is also the significance of regular screen testing. What monitor refresh rate is considered normal? Generally speaking, 60Hz is the standard refresh rate, 120Hz is entry-level high refresh rate, 144Hz is mainstream for esports, and 240Hz and above is esports flagship level. Regularly performing screen refresh rate detection, frame rate testing, and frame count detection helps identify performance degradation in a timely manner.
This screen refresh rate test tool can quantify monitor refresh rate performance: real-time frame rate, maximum/minimum/average frame rate, P95 frame time, and jitter provide objective metrics reflecting the monitor's refresh rate stability. If the test results show the refresh rate is not up to standard or fluctuations are significant, it is recommended to check system display settings, replace with high-quality HDMI/DP cables, or update graphics card drivers; if the test is normal, it indicates the monitor is operating at its optimal state. Regularly performing screen refresh rate tests, monitor refresh rate tests, and frame rate tests ensures your monitor remains in optimal display condition. By combining screen refresh rate and refresh rate detection data, you can also determine whether to adjust system settings or upgrade to a higher-performance monitor.
How to Use the Screen Refresh Rate Test Tool
1
Open the page and observe real-time frame rate
After opening the page, the tool will automatically begin detection. The large card on the left displays the current refresh rate (Hz) in real time, while the right panel shows maximum/minimum/average frame rate, frame interval, and jitter statistics. No software installation is required to begin frame rate testing and frame count detection.
2
Switch motion test speeds
In the "Motion Test" card, you can select different speeds (1x/2x/4x/6x) to observe whether the moving color block's motion is smooth. High refresh rate monitors should show no obvious stuttering or ghosting during high-speed motion. Press Space at any time to pause and observe the current frame, assisting with screen refresh rate assessment.
3
Analyze frame time distribution and display capability
The "Frame Time Distribution" chart at the bottom displays the rendering time of each frame, with red dropped-frame lines marking stuttering frames. The "Display Capability" card on the right provides a rating, stability, and compliance status. If the rating is "Excellent" and compliance status is good, it indicates normal monitor refresh rate test performance.
How to Set Monitor Refresh Rate
Three steps to ensure your monitor runs at its rated refresh rate and avoid being limited to low frame rates by the system
1
Check system display settings
Windows: Right-click desktop → Display settings → Advanced display settings → Select refresh rate. macOS: System Preferences → Displays → Refresh rate. Ensure the highest refresh rate supported by your monitor is selected. This is also an important step before performing refresh rate detection.
2
Check graphics card control panel
NVIDIA Control Panel: Display → Change resolution → Refresh rate. AMD Radeon Software: Display → Specifications → Refresh rate. Sometimes system settings lock the refresh rate to a low value, requiring manual adjustment in the graphics card panel, then re-run frame rate testing.
3
Use high-quality cables and test
Ensure you are using HDMI 2.0/2.1 or DP 1.4 cables that support high bandwidth. Return to this tool to re-run the screen refresh rate test to confirm whether the actual frame rate reaches the rated value. If it still does not meet the standard, it may be a cable or graphics card driver issue.
Screen Refresh Rate Test Fundamentals
1. What is monitor refresh rate? Monitor refresh rate refers to the number of times the screen updates its image per second, measured in Hertz (Hz). The higher the refresh rate, the smoother the image transitions, and the lighter the motion blur and ghosting, resulting in a better gaming and video experience. Refresh rate testing can help you understand actual performance.
2. Common refresh rate standards: 60Hz (standard, frame interval 16.67ms); 120Hz (entry-level high refresh rate, frame interval 8.33ms); 144Hz (mainstream esports, frame interval 6.94ms); 240Hz (esports flagship, frame interval 4.17ms). Refresh rate determines the theoretical ceiling of dynamic picture smoothness, and frame rate testing can verify actual frame rates.
3. Difference between refresh rate and frame rate (FPS): Refresh rate is the hardware capability of the monitor, while frame rate is the number of frames output by the graphics card. The two need to match for the best experience. If the refresh rate is lower than the frame rate, screen tearing occurs; if the frame rate is lower than the refresh rate, the refresh rate advantage cannot be fully realized. Frame count detection is used to measure graphics card output frame counts.
4. How to determine if the refresh rate meets the standard? Use this tool to perform a screen refresh rate test and observe whether the real-time frame rate is close to the rated value. If the measured frame rate is far below the rated value, it may be a system setting, cable, or driver issue. Also pay attention to whether the frame time distribution is stable—frequent dropped frames indicate poor performance. You can also refer to screen refresh rate standards for judgment.
5. Which monitors need focused refresh rate testing? Gaming monitors, high refresh rate monitors, esports monitors, and monitors claiming low response times (such as 1ms MPRT) are all recommended for screen refresh rate testing and monitor refresh rate testing. Newly purchased monitors should be tested immediately for timely returns or exchanges.
6. Daily maintenance recommendations: Keep graphics card drivers updated, use high-quality HDMI/DP cables to ensure stable signals, and check refresh rate options in system display settings. If testing reveals abnormal refresh rates, try adjusting system settings or replacing cables, and re-run frame rate testing.
Monitor Types Supported for Screen Refresh Rate Testing
Covers mainstream monitor panel types—refresh rate detection can be performed on any screen
OLED MonitorSelf-emitting / Response <0.1ms
TN Panel MonitorEsports / Response 1-4ms
IPS Panel MonitorAccurate Color / Response 3-8ms
VA Panel MonitorHigh Contrast / Response 5-40ms
Fast IPS MonitorHigh-Speed IPS / Response 1-4ms
Mini-LED MonitorZone Dimming / Response 3-8ms
Laptop ScreenBuilt-in Panel / Multiple Types
External Portable MonitorUSB-C / Multiple Panels
Featured Articles on Screen Refresh Rate Testing
From beginner to advanced, helping you thoroughly master monitor refresh rate and performance optimization
Refresh Rate Test and Ghosting Test: Is Your Monitor Really Smooth?Detailed explanation of monitor refresh rate testing methods, using tools like UFO Test to judge ghosting, afterimage, and response time performance, helping gamers and designers verify screen dynamic display quality.Monitor Resolution Calculation and Online Screen Test Tool CollectionLearn to calculate PPI based on monitor size and resolution, understand the relationship between clarity and viewing distance, and compile commonly used online screen test websites for one-stop screen testing, dead pixel testing, and refresh rate testing.Screen Tearing Detection Basics: How to Test Screen Tearing OnlineDetailed explanation of screen tearing phenomenon, using TestUFO and online detection tools to observe tear lines, teaching you to determine if a monitor has screen tearing issues through moving vertical bars and high-speed scrolling images.What Causes Screen Tearing? In-Depth Analysis of Frame Rate and Refresh Rate MismatchExplaining the causes of screen tearing: graphics card output frame rate not synchronized with monitor refresh rate, analyzing the role and latency cost of V-Sync, and confirming whether issues are resolved through screen tearing detection.
Core Advantages of This Screen Refresh Rate Testing Website
Real-Time Frame Rate Monitoring
Displays the current refresh rate in real time using EMA smoothing algorithms, accurately capturing frame rate fluctuations with support for 240Hz+ detection, providing real-time data for frame rate testing.
Frame Time Distribution Chart
Visualizes per-frame rendering time with red dropped-frame lines marking stuttering frames, intuitively displaying refresh rate stability and assisting with frame count detection and refresh rate detection.
Motion Picture Testing
Multi-speed motion color block testing simulates dynamic smoothness across different scenarios, identifying high refresh rate advantages and supporting screen refresh rate comparison.
Fullscreen Test Mode
One-click fullscreen switching avoids browser UI interference, obtaining more accurate screen refresh rate test results.
Display Capability Assessment
Automatically calculates rating, stability, and compliance status, providing professional panel refresh rate reference data that meets monitor refresh rate testing standards.
Device Information Recognition
Automatically identifies device type, physical resolution, DPR, and color depth, assisting in test environment assessment and ensuring refresh rate test accuracy.
Why Choose Online Screen Refresh Rate Testing?
Detection Method
Desktop SoftwareRequires downloading dedicated software; some tools are paid or bundled with ads, and cannot display refresh rate fluctuations in real time.
This ToolOnline real-time refresh rate monitoring with automatic frame rate, frame time, and jitter statistics, supporting pause observation and providing frame rate testing and frame count detection.
Test Precision
Desktop SoftwareSingle sampling mode that cannot cover refresh rate performance at different speeds and backgrounds.
This ToolMulti-speed motion testing + frame time distribution + display capability assessment, comprehensively covering refresh rate test scenarios and supporting screen refresh rate detection.
Ease of Use
Desktop SoftwareComplicated software installation; some tools do not support high refresh rate monitors or require administrator privileges.
This ToolOpen the webpage and use immediately—free, ad-free, no registration required, supporting all standard display devices for easy screen refresh rate testing.
Data Visualization
Desktop SoftwareOnly displays basic frame rate numbers, lacking frame time distribution and dropped frame analysis.
This ToolProvides frame time distribution charts, dropped frame lines, P95 frame time, and other professional metrics that are intuitive and easy to understand, assisting with monitor refresh rate testing.
Reference Value
Desktop SoftwareOnly displays basic animations, lacking panel type references and setup recommendations.
This ToolProvides refresh rate standard references, panel type comparisons, and system setup guidance, referencing refresh rate detection standards.
Screen Refresh Rate Test FAQ
Does the screen refresh rate test require software installation? How to perform refresh rate detection online?
Not at all. This is a pure web-based screen refresh rate test tool based on native browser rendering APIs. Simply open the page to perform refresh rate testing, frame rate testing, and frame count detection. All calculations are performed locally without uploading any data. It also supports screen refresh rate and monitor refresh rate test detection, displaying refresh rate fluctuations in real time.
How to test monitor refresh rate? What methods are available for screen frame rate testing?
After opening the page, the tool will automatically begin detection. The large card on the left displays the current refresh rate (Hz) in real time, while the right panel shows maximum/minimum/average frame rate statistics. You can also switch between different speeds in the "Motion Test" card to observe whether the moving color block is smooth, and analyze dropped frames through the frame time distribution chart. This screen refresh rate detection and frame rate testing method requires no installation and can be used anytime for monitor refresh rate testing.
What is the difference between monitor refresh rate and frame rate? What does screen frame count detection mean?
Refresh rate is the number of times the monitor can update its image per second (in Hz), which is a hardware capability; frame rate is the number of frames output by the graphics card per second (in FPS). The two need to match for the best experience. Frame count detection measures the frame count output by the graphics card and is part of frame rate testing. This tool focuses on screen refresh rate testing while also providing frame time distribution and other refresh rate detection features.
Why is my monitor refresh rate only 60Hz? How to perform screen refresh rate detection?
Possible reasons include: the system display settings have not selected a high refresh rate, graphics card drivers are not updated, HDMI/DP cable bandwidth is insufficient, the monitor itself does not support high refresh rates, or the high refresh rate mode is not enabled in the monitor OSD settings. It is recommended to check system display settings and graphics card control panel, replace with high-quality cables, and re-run screen refresh rate detection, frame rate testing, and monitor refresh rate testing.
Can OLED, IPS, VA, and TN monitors all use this tool for refresh rate testing?
Yes. As long as the monitor can display web content normally, regardless of whether the panel type is OLED, IPS, VA, or TN, this screen refresh rate test tool can be used for refresh rate detection, frame rate testing, and frame count detection. Laptop screens, external monitors, and even tablet screens can all be tested. Regardless of the screen type, this tool can be used for monitor refresh rate testing.
How to interpret test results? What monitor refresh rate is considered normal?
Judgment criteria: Real-time frame rate close to the rated value with minimal fluctuation is excellent; slight fluctuation that does not affect use is normal; frame rate far below the rated value or frequent dropped frames is abnormal. What monitor refresh rate is considered normal depends on panel type and usage—60Hz is the daily standard, while 120Hz and above is high refresh rate. Gamers are recommended to prioritize monitors with 120Hz or higher.
Suspect your monitor refresh rate isn't up to standard? Start a screen refresh rate test now
Free online screen refresh rate testing with real-time frame rate and stability monitoring, generating refresh rate evaluation reports.
Popular Tests: Screen Refresh Rate Test · Monitor Ghosting Test · Screen Dead Pixel Detection · Screen Color Test · Screen Flicker Test