When shopping for an LED display, most buyers focus on resolution, brightness, or pixel pitch, and refresh rate quietly gets skipped. But if your screen ever looks flickery in photos or stutters during fast motion, the refresh rate is usually the reason.
In this guide, we’ll break down what LED screen refresh rate actually means, what counts as “good” for different uses, and how to decide between 1920Hz, 3840Hz, and 7680Hz based on your real setup — not just spec sheets.
Table of Contents
1. What is Refresh Rate?
The refresh rate is the number of times the display screen is repeatedly displayed by the display screen per second, and the unit is Hz (Hertz).
The refresh rate is an important indicator to characterize the stability and non-flickering of the LED display screen. It mainly refers to the update rate, which is usually indistinguishable by the human eye when it is greater than 60HZ.
The higher the refresh rate, the lower the flicker of the picture and the sharper the image. The lower the refresh rate, the more likely the picture will flicker.
It is related to the scan rate and type of IC. Following chart is the common IC to the corresponding refresh rate with the common led modules.
| IC No. | Scan Range | Refresh rate |
| ICN2037 | ≤32/Scan | 960-1920HZ |
| ICN2038S | ≤32/Scan | 1920HZ |
| ICN2153 | ≤32/Scan | 3840HZ |
| SM16380 | ≤64/Scan | rental, small-pitch, 3840HZ |
| MBI5124 | 32/Scan | 1920HZ |
| MBI5253 | 32/Scan | 3840HZ |
| MBI5268 | 1-128/Scan | small-pitch, 3840HZ |
| MBI5264 | 1-64/Scan | 16Bit&HDR,3840HZ |
1.1 What is a Good Refresh Rate?
Choosing the appropriate refresh rate for an LED video wall primarily depends on its specific purpose and application. Here are some key factors and steps to determine the suitable refresh rate:
(1) Determine the Application
Different applications have varying refresh rate requirements:
a. General Displays (such as public displays and digital signage):
A standard refresh rate is usually sufficient to ensure smooth display of text, images, and videos.
b. Live Broadcasts and Streaming:
A higher refresh rate is ideal to reduce motion blur and ensure clear live images.
c. Sports Events and Concerts:
A higher refresh rate can handle fast-moving images, enhancing the viewer experience.
d. Outdoor and High Brightness Displays:
A higher refresh rate ensures that the display remains clear in bright environments.
(2) Consider Viewing Distance and Screen Size
a. Close Viewing Distance:
If viewers are close to the screen, a higher refresh rate helps reduce flicker and motion blur, providing a better viewing experience.
b. Large Screens:
For large LED video walls, a higher refresh rate can offer more uniform and smoother images.
(3) Content Type
a. Static Content:
If mainly displaying static images or text, a standard refresh rate will suffice.
b. Dynamic Content:
If mainly displaying videos or animations, especially fast-moving content, a higher refresh rate is necessary.
(4) Ambient Light Conditions
a. Outdoor or Bright Environments:
High brightness and high refresh rates are needed to ensure the display remains clear in bright light.
(5) Technical and Budget Considerations
a. Technical Compatibility:
Ensure that the hardware and control system of the video wall support the required refresh rate.
b. Budget Constraints:
Higher refresh rate LED video walls usually cost more, so it’s important to balance performance and cost based on the budget.
By considering these factors, you can choose the optimal refresh rate for your LED video wall to ensure the best visual performance and user experience.
1.2 What Affects the Refresh Rate of an LED Display?
Among the key components of an LED display—LED power supply, LED driver chip, and LED lamps—the LED driver chip has the most significant impact on the screen’s refresh rate.
When using a standard driver chip, the refresh rate can only reach 960Hz. However, by using a dual-latch driver chip, the refresh rate of the LED display can be significantly increased. Using a high-definition, high-level PWM driver chip can further boost the refresh rate to 3840Hz.
2. Why Refresh Rate Matters for LED Displays
The refresh rate of an LED display is crucial because it directly impacts how smooth and stable the visual experience is.
It determines how many times per second the screen updates the image, affecting everything from motion clarity to flicker-free performance.
2.1 Smooth Motion and Video Playback
The refresh rate directly affects how smoothly motion is displayed on an LED screen. A higher refresh rate like 1920Hz or 3840Hz ensures that fast-moving scenes are clear and fluid.
This is especially important in environments like sports venues or live broadcasts, where fast action needs to be displayed without blur or stutter.
2.2 Flicker-Free Viewing
A low refresh rate can cause flickering, which can be uncomfortable for viewers. Higher refresh rates reduce or eliminate flicker, offering a more stable visual experience.
Displays with higher refresh rates are particularly beneficial in settings where people are viewing closely, such as retail displays or control rooms, making long viewing sessions more comfortable.
2.3 Impact on Camera Recording
When filming an LED screen, a high refresh rate prevents visible scan lines or flickering on the footage. This is crucial for live streaming or broadcasting, where smooth visuals are essential.
A higher refresh rate ensures that camera equipment captures clean, professional-quality footage without any unwanted visual distortion.
2.4 Improved User Experience
In environments where text or visual transitions are common, a higher refresh rate enhances the clarity and responsiveness of the display. This makes interactions smoother and more precise.
For applications like interactive kiosks or control panels, a high refresh rate provides a better user experience by reducing lag or pixelated images.
2.5 Suitability for Different Environments
Outdoor LED displays often need higher refresh rates to perform well under direct sunlight and variable conditions. A higher refresh rate helps maintain consistent performance in bright environments.
Indoor displays, such as those in malls or exhibitions, can still benefit from a standard refresh rate. However, for environments with high traffic or close-up viewing, a higher refresh rate improves image stability and visual comfort.
3. Standard vs. High Refresh Rate LED Screens: What’s the Difference?
The refresh rate of an LED screen tells you how many times per second the image is refreshed. Standard screens usually have refresh rates between 60Hz and 120Hz, which work well for most content. However, fast-moving images may appear blurry or flicker.
High refresh rate screens, with rates like 1920Hz or more, make motion smoother. These are great for events like sports or live broadcasts, where clear, sharp motion is needed.
When the refresh rate is above 960Hz, the difference is hard to notice with the naked eye. For example, when watching videos or pictures, you can’t tell the difference between high and standard refresh rates. However, using a phone or camera to take pictures or record video can reveal the difference.
Standard screens often show a “water ripple” effect when photographed with a phone, making the image flicker. High refresh rate screens don’t have this issue, so they offer smoother pictures when captured on camera.
In short, high refresh rate screens are best for fast-moving content, while standard screens are perfect for slower or static displays, and they’re more cost-effective.
4. The Difference between Refresh Rate and Frame Rate
Refresh rate and frame rate are two important concepts in display technology, but they serve different purposes.
Refresh Rate: This refers to the number of times per second the display updates the image on the screen, measured in Hertz (Hz).
For example, a 60Hz display refreshes 60 times per second, while a 120Hz display refreshes 120 times. The refresh rate determines how smoothly the screen displays motion, with higher refresh rates reducing flickering and providing a better visual experience.
Frame Rate: This refers to the number of frames (images) generated per second by the content source, such as a video, game, or graphics card, measured in frames per second (FPS).
For example, a game running at 30 FPS shows 30 frames per second, while one at 60 FPS shows 60 frames per second. The frame rate affects how smooth the motion in the content appears, with higher FPS offering a smoother visual experience.
Key Differences Between Refresh Rate and Frame Rate
The refresh rate is determined by the monitor or display device, affecting how the screen shows images. Frame rate is controlled by the content source, such as the software and hardware that generates the video or game frames. Both need to work together for an optimal viewing experience.
If the frame rate is lower than the refresh rate (for example, a 120Hz display showing 30 FPS content), the screen will repeat frames, leading to less smooth motion.
If the frame rate is higher than the refresh rate (for example, a 120 FPS game on a 60Hz monitor), the monitor can’t display all the frames, potentially causing issues like screen tearing.
Ideally, the frame rate and refresh rate should match to ensure the best visual experience.
5. Common Misconceptions about Refresh Rate
When it comes to refresh rates, there are a few misconceptions that can lead to confusion. Here are some of the most common ones:
(1) Higher Refresh Rate Means Better Quality
A higher refresh rate doesn’t always mean better image quality. While it improves motion smoothness, it doesn’t necessarily improve static image clarity. The image quality also depends on other factors like resolution and color accuracy.
(2) The Human Eye Can Always See the Difference
Once the refresh rate is above 960Hz, the human eye can’t easily tell the difference. While high refresh rates are important for motion clarity, the difference is hard to notice during everyday use or video viewing.
(3) Higher Refresh Rate Screens Are Always Better
High refresh rate screens are great for fast-moving content like sports, but they’re not always necessary. For static images or slower-moving visuals, standard refresh rates work just fine and are more cost-effective.
(4) All Devices Can Benefit from High Refresh Rates
Not all devices or content take advantage of high refresh rates. If you’re watching content that’s limited to 30 or 60 frames per second, a higher refresh rate screen won’t provide a noticeable improvement.
(5) Higher Refresh Rates Use More Power
While it’s true that high refresh rate screens can consume more power, modern technology has improved efficiency. Many high refresh rate displays are designed to balance performance and power consumption, so they won’t always drain more energy.
6. How to Choose Refresh Rate 1920hz and 3840hz and 7680hz?
In the LED display Screen field, with the development of LED display technology, we have upgraded to 1920hz, 3840hz, or even 7680hz. However, because our human eye cannot identify them directly for 1920hz, 3840hz, and 7680hz, how to choose them? 1920hz and 3840hz are two common refresh rates in led displays.
All indoor and outdoor screens can reach 3840hz.
1920hz: considering the different costs of IC and image quality of led display, we usually recommend 1920hz in outdoor displays, outdoor media advertising display screens (DOOH), such as advertising LED screen, outdoor video walls, etc.
Since the display screen the viewing distance of the audience has been relatively far, generally 10m-200m, it is sufficient to refresh 1920hz for outdoor high-brightness LED display for photography and video, and 1920hz is rather cost-effective.
3840hz: While indoor used for stage performances, concerts, and concerts, with near viewing distance and people like to use their mobile phones or cameras to capture the scene of the stage, they can see clearly the led displays.
In order to ensure that mobile phones or cameras can capture high-definition video images, 3840hz is the better quality image and visual experience. Especially for the small pitch below 2.5mm, COB, and 3D naked-eye led billboard, a 3840hz higher refresh rate is strongly needed.
LInsn High-definition LED Display Customer Cases!
7680hz: Working with a large 3D LED display, and camera with a tracking device on top, LED virtual production technology has become a historic tidal in today’s film industry.
In media publicity, photography, and video graphs are often used, and the high refresh rate of 3840hz or 7680hz can effectively reduce water ripples, that means mobile phone shooting or camera shooting can be as authentic as possible, approaching the effect seen by the naked eye, so that propaganda gets twice the result with half the effort.
7. FAQs
Yes, LED lights have a refresh rate, but it’s usually not noticeable to the human eye. The refresh rate of an LED display is relevant for how often the image is updated, while the refresh rate of an LED light typically relates to how quickly it can be turned on and off, often measured in Hz. However, for most lighting applications, this refresh rate is not something people can perceive.
The best frame rate for an LED screen depends on the type of content you’re displaying.
For video content, a frame rate of 30fps to 60fps is typically sufficient for smooth playback.
For fast-moving content, like sports or gaming, 120fps or higher can provide smoother motion and better clarity, especially on high-performance displays.
In general, a 60fps frame rate is considered ideal for most LED screens, offering a good balance of smooth visuals and performance.
The difference between 60Hz and 120Hz LED screens lies in how often the image is refreshed per second:
60Hz: The screen refreshes the image 60 times per second. This is standard for most displays and works well for regular video content, web browsing, and general use.
120Hz: The screen refreshes the image 120 times per second, which allows for smoother motion. This is particularly beneficial for fast-moving content like sports, gaming, or action-packed movies, where a higher refresh rate reduces motion blur and provides a more fluid viewing experience.
In summary, 120Hz offers smoother visuals and is better suited for high-speed content, while 60Hz is adequate for most everyday use.
You can check your LED screen’s refresh rate in a few simple ways:
Check the product specs – Look at the user manual or product page. The refresh rate is usually listed in Hz (like 1920Hz or 3840Hz).
Ask the supplier or manufacturer – If it’s not listed, they can tell you.
Use a camera test – Take a photo or video of the screen with your phone. If you see flickering or scan lines, it may have a low refresh rate. High refresh rate screens usually look clean in photos.
Yes, LCD screens do have a refresh rate.
It’s the number of times the screen updates the image each second, usually measured in Hertz (Hz). Common refresh rates for LCDs are 60Hz, 75Hz, 120Hz, or even higher. A higher refresh rate means smoother motion, especially useful for gaming or fast video.
Some lights can flicker at 60Hz, especially older or low-quality ones.
This flicker is usually caused by the electrical current, which in many countries alternates at 60Hz. While most people don’t notice it, sensitive individuals or high-speed cameras can detect the flicker. Modern LED lights often use drivers that reduce or eliminate visible flicker.
8. Conclusion
LED screen refresh rate comes down to one simple rule: match it to how the screen will actually be used.
1920Hz works well for most outdoor displays. 3840Hz is the go-to for indoor stages, concerts, or anywhere cameras are involved. 7680Hz is reserved for virtual production and high-end 3D setups.
Not sure which one fits your project? Contact the Linsn LED team — we’ll point you in the right direction.
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