What is high-refresh?
High-refresh is a display technology that offers a high rate of screen updates, measured in Hertz (Hz). This provides a much smoother and more responsive visual experience compared to standard display refresh rates.
How high-refresh works
Typical computer displays have a refresh rate of 60Hz, meaning the screen image is updated 60 times per second. High-refresh displays can range from 120Hz up to 240Hz or even higher, delivering a significantly faster screen update rate.
The higher refresh rate reduces perceived motion blur and provides a more fluid, responsive experience, especially for fast-moving content like video games, high-speed sports, or action movies. With a 60Hz display, fast motion can appear blurry or jittery, but a 144Hz or 240Hz display can eliminate this effect, making motion appear much sharper and more natural.
Key components of high-refresh
- Display panel: The display itself must be capable of refreshing the image at a high rate, often requiring specialized panel technologies like IPS (in-plane switching) or OLED (organic light-emitting diode).
- Graphics hardware: To take full advantage of high-refresh, the connected graphics card or integrated graphics must be able to output video at the desired high refresh rate.
- Input lag: High-refresh displays are often optimized for low input lag, meaning the time between a user input (e.g., mouse movement) and the corresponding visual response is minimized.
Benefits and use cases
The primary benefits of high-refresh displays include:
- Smoother motion: Fast-moving objects appear much more fluid and natural, reducing perceived blur.
- Improved responsiveness: User inputs like mouse movements and camera pans feel more immediate and responsive.
- Reduced eye strain: The faster refresh rate can help reduce visual fatigue and discomfort during prolonged use.
High-refresh displays are particularly beneficial for the following use cases:
- Competitive gaming: Esports players and serious gamers often prefer high-refresh monitors to gain an advantage in fast-paced games.
- Motion-heavy content: Action movies, sports broadcasts, and video editing all benefit from the smoother motion provided by high-refresh.
- Virtual reality (VR): High-refresh VR headsets can help reduce motion sickness and improve the overall immersive experience.
Considerations and best practices
When using high-refresh displays, it's important to consider the following:
To take full advantage of high-refresh, ensure your graphics hardware and connection cables can support the desired refresh rate. HDMI 2.0 or DisplayPort 1.4 are typically required for high-refresh rates above 120Hz.
Additionally, some high-refresh displays may have trade-offs in image quality, such as reduced color depth or contrast ratio, so it's important to find the right balance between refresh rate and other display characteristics for your specific needs.
Real-world example
Many modern gaming laptops and desktops come equipped with high-refresh displays, often ranging from 144Hz to 240Hz. These provide a significant advantage for competitive gamers, allowing them to track fast-moving targets and react more quickly to in-game events. High-refresh displays have become a must-have feature for serious PC gamers.