Luminance & Hues

Category: Refresh Rate

  • How to Check Your Monitor’s Refresh Rate (Hz), FPS, and Pixels

    If you’ve ever had the nagging feeling that your monitor isn’t delivering the crisp, smooth visuals it should, you’re not alone. Whether you’re gaming competitively, editing high-res video, or simply enjoying content online, your monitor’s performance can make or break the experience.

    Monitors don’t just display images; they’re the interface between you and every pixel of your digital world. Refresh rate, frames per second (FPS), pixel integrity, and backlight quality all play critical roles. If one element underperforms—even slightly—it can cause headaches, eyestrain, and frustration you might not immediately attribute to your screen.

    In this guide, I’m going to walk you through how to examine your monitor’s refresh rate, FPS performance, possible pixel defects, and backlight issues in ways that are quick, accurate, and satisfying. We’ll use a mix of browser tools, operating system settings, and gaming software so you can be confident in your monitor’s capabilities.

    Section 1: How to Check Your Refresh Rate (Hz)

    The refresh rate (measured in Hz) is how many times per second your display updates with new information. A higher refresh rate means a smoother visual flow, which is critical for fast-paced gaming and even for reducing eye fatigue when scrolling through content.

    Method 1: The Easy Way (Use Our Tool)

    The quickest way to check your refresh rate is to visit our Screen Refresh Rate Test. This browser-based tool detects the actual refresh rate your monitor is using right now.

    Why this matters: operating systems or browsers occasionally default to lower rates (like 60Hz) even if your monitor is capable of more. This can happen after updates or with certain power-saving settings.

    When you run the test, it samples the display’s frame timing in your browser and reports the real-time figure. If your monitor’s advertised refresh rate is 144 Hz144 Hz but you see 60 Hz60 Hz, you know it’s time to dig into your settings.

    Method 2: In Windows 11/10

    To check in Windows:

    1. Right-click anywhere on your desktop.
    2. Select Display settings.
    3. Scroll down and click Advanced display settings.
    4. Here you’ll see your current refresh rate in Hz.

    If you find your monitor is running below its maximum capability, click Display adapter properties for Display 1, go to the Monitor tab, and select the correct rate from the dropdown list.

    Tip: Ensure your monitor is connected with a cable that supports high refresh rates, like DisplayPort or high-quality HDMI. Lower-tier HDMI cables may cap your output.

    Method 3: In macOS

    On a Mac:

    1. Open System Settings.
    2. Go to Displays.
    3. Press the Option key while clicking on the Scaled button to reveal refresh rates.

    Select the appropriate rate. Keep in mind, certain Macs (especially MacBooks with external monitors) might limit refresh rate based on resolution settings or even dock adapters.

    Section 2: How to Test Your Frames Per Second (FPS)

    Frames per second (FPS) measures how many images your system can produce per second during gameplay or video rendering. High FPS means smoother motion and better responsiveness, which is essential for competitive play.

    Method 1: Browser FPS

    Visit our FPS Test page to run a quick browser-based benchmark. This will show you how many frames per second your system and browser are capable of rendering under simple conditions.

    FPS in browsers can differ from gaming FPS due to hardware acceleration, background processes, or browser-specific optimizations.

    Method 2: In-Game Settings

    Most modern games have a built-in FPS counter. Here’s how you typically enable it:

    • Look under Graphics or Display Options in the game menu.
    • Toggle Show FPS or similar.

    In-game measurements are the most relevant for players, as they show the FPS during actual gameplay with all the visual effects and physics calculations active.

    Method 3: Using Software (Steam, NVIDIA/AMD)

    On Steam:

    1. Open Settings.
    2. Go to In-Game.
    3. Enable In-game FPS counter and choose where on the screen it should appear.

    For NVIDIA GeForce Experience:

    • Open the overlay (Default shortcut: Alt+Z).
    • Go to Settings > HUD Layout > FPS Counter.

    For AMD Radeon Software:

    • Enable the Performance Overlay in settings.

    Section 3: How to Check for Dead or Stuck Pixels

    Pixels are tiny digital “dots” making up your screen’s image. If a pixel isn’t functioning correctly, it may appear as a black dot (dead pixel), a colored dot that never changes (stuck pixel), or an overly bright point (hot pixel).

    Method 1: The Best Way (Use Our Tool)

    Our Dead Pixel Test is straightforward: it displays full-screen solid colors so faulty pixels stand out. By cycling through red, green, blue, black, and white screens, you can see if any pixel fails to change as it should.

    Method 2: What to Look For

    • Dead Pixels: Permanent black spots regardless of image shown.
    • Stuck Pixels: Always stuck on one color.
    • Hot Pixels: Always lit brightly.

    Some stuck pixels can be “revived” using pixel-fixing software or light pressure, but dead pixels are generally permanent.

    Section 4: How to Test for Backlight Bleed & IPS Glow

    Backlight bleed occurs when light escapes from the edges or corners of the monitor, especially visible during dark scenes.

    IPS glow is a uniform glow across the screen when viewing dark content from certain angles—common in IPS panels.

    To test:

    Note any uneven brightness along the edges. Slight bleed can be normal, but excessive bleed may be a reason for return or replacement.

    FAQ

    What’s the difference between Hz and FPS?

    • Hz is how many times your monitor can refresh per second, while FPS is how many frames your computer outputs per second. If you have 144Hz but your PC only renders at 60FPS, you will only see 60 frames.

    Why is my 144Hz monitor only running at 60Hz?

    • Check your OS display settings, GPU output settings, and ensure your cable supports 144Hz.

    Does a higher refresh rate matter for non-gamers?

    • Yes. Even for office work or browsing, higher refresh rates can make scrolling smoother and reduce eye strain.

    Final Thoughts

    Your monitor is your window into every digital task, from everyday browsing to competitive esports. Knowing its true capabilities—and verifying they’re being fully utilized—means you’ll get the most out of your investment.

    By regularly testing your refresh rate, FPS, pixel integrity, and backlight consistency, you can be sure you’re seeing every scene exactly as intended.

  • Display Refresh Rate Test: Unlocking Your Screen’s Full Potential

    In the world of screens, from your smartphone to your gaming monitor, there’s a silent hero working behind the scenes to deliver the smooth, fluid visuals you enjoy: the display refresh rate. Measured in Hertz (Hz), this crucial specification dictates how many times per second your screen updates its image. Think of it as frames per second (FPS) for your display itself.

    For gamers, video editors, or even just everyday users who appreciate a seamless experience, understanding and verifying your refresh rate is paramount. A higher refresh rate translates to less motion blur, snappier responsiveness, and an overall more immersive visual journey. This guide will walk you through everything you need to know about display refresh rates and, most importantly, how to easily test yours.

    What is Refresh Rate?

    At its core, refresh rate is the number of times per second your screen redraws the image displayed. A 60Hz display refreshes 60 times a second, while a 144Hz display refreshes 144 times a second. This constant redrawing creates the illusion of motion, and the more often it happens, the smoother that motion appears.

    It’s important to distinguish refresh rate from frame rate (FPS). Frame rate is how many frames your graphics card is producing per second. While a high frame rate from your GPU is great, your display’s refresh rate is the limit to how many of those frames you’ll actually see. If your GPU renders 120 FPS but your monitor is 60Hz, you’ll only ever see 60 unique frames per second. This is why a higher refresh rate feels so much smoother – it can display more of those frames your GPU is working hard to produce.

    Why Should You Test Your Display Refresh Rate?

    Testing your refresh rate isn’t just for tech enthusiasts; it’s a vital step for anyone who wants to ensure their display is performing optimally. Here’s why:

    • Verify Advertised Performance: Many monitors, TVs, and phones boast high refresh rates in their specifications. Testing allows you to confirm that your device is actually running at the advertised refresh rate, ensuring you got what you paid for.
    • Diagnose Visual Issues: If you’re experiencing screen tearing (where parts of the screen appear misaligned), general lag, or stuttering, a refresh rate mismatch or misconfiguration could be the culprit.
    • Confirm Adaptive Sync: Technologies like NVIDIA G-Sync and AMD FreeSync dynamically adjust your display’s refresh rate to match your GPU’s frame rate, eliminating tearing and reducing stutter. Testing helps verify if these features are active and working correctly.

    How to Test Refresh Rate on Different Devices

    Testing your refresh rate is straightforward, and the method varies slightly depending on your device.

    a) On Windows PC

    Method 1: Display Settings

    1. Right-click on your desktop and select “Display settings.”
    2. Scroll down and click on “Advanced display.”
    3. Under “Refresh rate (Hz),” you’ll see your current refresh rate listed. You can also change it here if your monitor supports higher rates.

    Method 2: Online Tools
    For a more interactive and visual test, online tools are excellent.

    b) On macOS

    1. Click the Apple menu in the top-left corner and select “System Settings.”
    2. Click on “Displays.”
    3. Select your external monitor (if applicable).
    4. Look for the “Refresh Rate” dropdown menu to see and adjust your current setting.

    c) On Android & iPhone

    Many modern smartphones come with high refresh rate displays (90Hz, 120Hz, or even higher).

    • Android:
      1. Go to “Settings” > “Display.”
      2. Look for an option like “Screen refresh rate,” “Motion smoothness,” or “Refresh rate.” You’ll usually find options to switch between standard and high refresh rates.
      3. Some phones have a developer option to display the current refresh rate on-screen. Enable “Developer options” (by tapping “Build number” seven times in “About phone”), then look for “Show refresh rate” under the developer settings.
    • iPhone:
      iPhones with ProMotion displays (iPhone 13 Pro, 14 Pro, etc.) dynamically adjust refresh rates up to 120Hz. There isn’t a direct setting to “force” a specific refresh rate, but you can confirm ProMotion is active in Settings > Accessibility > Motion > Limit Frame Rate. If this is off, ProMotion is active.

    d) Using Online Tools (Cross-Platform)

    Online tools are the easiest and most visual way to test your refresh rate, regardless of your operating system. Simply open your web browser and navigate to one of these sites:

    • TestUFO (testufo.com): This is the gold standard for refresh rate testing. It displays moving UFOs that allow you to visually discern differences in motion clarity at various refresh rates. It also clearly shows your detected refresh rate.
    • DisplayHz.com: Another straightforward tool that quickly detects and displays your current refresh rate.
    • Common Issues & Troubleshooting
    • Sometimes, your monitor might be stuck at a lower refresh rate than it’s capable of. Here are some common reasons and troubleshooting tips:
    • Cable Limitations: Not all cables are created equal! Older HDMI or DisplayPort cables might not have the bandwidth to support higher refresh rates at certain resolutions.
    • GPU Settings: Your graphics card drivers can sometimes limit your refresh rate. Check your NVIDIA Control Panel or AMD Radeon Software for display settings and ensure the correct refresh rate is selected.
    • Monitor OSD: Access your monitor’s On-Screen Display (OSD) menu and look for a “Refresh Rate” or “Display” section to confirm or change the setting.
    • Outdated Drivers: Ensure your graphics drivers are up to date.
    • Integrated Graphics: If you’re using integrated graphics, they might not support higher refresh rates on external monitors.

    Refresh Rate vs Motion Clarity

    A higher refresh rate inherently leads to better motion clarity, but it’s not the only factor. Other terms you might hear are:

    • Motion Blur: This is the perceived streaking of moving objects. A higher refresh rate reduces motion blur because frames are updated more frequently.
    • Ghosting: When an object moves, you might see a faint “ghost” image trailing behind it. This is often due to slow pixel response times on the monitor, but a higher refresh rate can help mitigate its impact.
    • Input Lag: The delay between your input (e.g., mouse click) and when it registers on screen. While not directly tied to refresh rate, displays with higher refresh rates generally have lower input lag, making them feel more responsive.

    In fast-paced games, the ability to see clearer motion and react quicker due to a higher refresh rate can give you a significant competitive edge.