Choosing Between Nano IPS and Fast IPS Monitors

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Currently, IPS panels are particularly popular in mainstream monitors, almost occupying half of the market. However, this type of panel also has many pitfalls. The previous E-IPS and AH-IPS have left many users confused. Now, new issues arise with the appearance of two new terms, Nano IPS and Fast IPS, in many new models of gaming monitors. What are they? What are the differences? Let’s talk about it today.

Fast IPS is easy to understand; it simply means faster IPS. The way LCD panels display images is by installing a backlight and controlling the amount of light passing through each pixel’s liquid crystal molecules to “map” colors. Fast IPS accelerates the movement speed of the liquid crystal molecules, allowing for faster color changes at the pixel level, which translates to a faster screen refresh rate.

Nano IPS is more complex; it is actually a technology that enhances color performance. It works by adding a nano layer to absorb excess light from the backlight layer. One of the main issues with IPS is that the liquid crystal layer struggles to completely block light, making it difficult to accurately represent certain colors. By adding a new nano layer to absorb some light, it allows IPS colors to be more precise.

Both methods have their respective drawbacks. For instance, Fast IPS may sacrifice some color performance in pursuit of higher speed, but thanks to the IPS technology foundation, the image quality is still better than that of high-speed TN panels. On the other hand, Nano IPS absorbs more light and adds a layer that needs to be controlled, resulting in slightly lower brightness and contrast, while its speed is also somewhat lower, with refresh rates generally in the range of 144Hz to 165Hz, which is far behind the 240Hz and above of Fast IPS.

Currently, both new IPS panels mainly appear in gaming monitors, and the design focus indicates a significant difference in positioning. For single-player and AAA game players, the superior color of Nano IPS can greatly enhance the user experience, and the refresh rate is more than sufficient; while for competitive gamers, where a single frame can determine victory or defeat, the super high refresh rate of Fast IPS is clearly better.

One more thing to note is that due to the extremely high refresh rate requiring a very large bandwidth, most common Fast IPS monitors are currently full HD (1920×1080) with 2xxHz refresh rates, so be sure to pay attention before making a purchase. If you want to keep up with the trend and use 2K resolution, you will have to wait for the latest high-bandwidth DP 1.4 interface to become widespread. The good news is that the new generation of graphics cards now fully supports DP 1.4, and monitor manufacturers will also need to keep up with the trend. It may not be long before 2K+2xxHz Fast IPS monitors appear in large numbers.

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