Desktop monitors, portable monitors and TVs that run on 4K are all the rage of today, and the question that is often asked is: Can my computer monitors work in 4K? The answer is simple: yes, as long as it meets certain standards and conditions. For complete clarity of the display, additional hardware or an upgrade of existing equipment may be required.

What is a 4K display?

An advance over HD is a rapidly evolving technology built into 3840 X 2160 or 4096 X 2160 pixel displays known as Ultra High Definition (UHD) or 4K. The number of horizontal pixels refers to 4K.

Do you need a 4k screen?

If you only use your computer for everyday computing tasks such as surfing the web and office applications, it would be difficult to justify the cost of adding a 4K monitor to your installation instead of your standard 24 or 32 monitor.

If you use a computer to play games or interact with 3D objects in applications such as Photoshop, your investment in a 4K monitor will pay for itself. However, you may need to look at upgrading your equipment to get the most out of your 4K monitor.

Look here if you want to know a little more about how computer screens work.

Factors to take into account when deciding to switch to 4K display


The 16:9 aspect ratio, which works with a 1920 x 1080P (1080P) HD screen, is approximately 2.1 megapixels, while the native 4K resolution of 3840 x 2160 is approximately 8.3 megapixels. Increasing the number of pixels results in a high-contrast display that brings out more complex details in the image.

With higher resolution, where precision is essential, creative professionals can view and edit photos of 8 megapixels (or less) and 4 kilobytes in their own resolution, without scaling.

Access to more pixels is not always a utopia. The 4K display may require extra powerful graphics cards to optimise the display, but the frame rate can be reduced.

Screen size

Although 4K displays are available in different sizes and contain the same number of pixels, the pixel density or dpi (DPI) varies depending on the size.

A larger screen without scaling reduces pixel density, but can provide a more useful experience. Smaller displays with a high pixel density produce a clear image and make it extremely difficult to view individual pixels.

If you decide to purchase a larger screen for the 4K, you should consider the size of the screen, as it can take up a lot of vertical space at the table.

Update Rate

The update rate of some 4K monitors is terribly low and still gives some cause for concern. The update rate of HDMI signals is approximately 30 Hz or 30 frames per second. It is allowed to watch movies or surf the internet at this speed. However, players find that such a low refresh rate causes eye fatigue and requires a refresh rate of 60 Hz or more to smooth screen movements.

Players often use monitors with refresh rates from 144 Hz to 240 Hz. For best results, we strongly recommend that you purchase a screen with a refresh rate of at least 60 Hz.

Tiles and panel types

There are different types of panels, which are described below, with TN panels generally being the cheapest, followed by IPS and IGZO panels, which are the most expensive.

TN (Twisted Nematic Panels) are designed for regular users and gamers and offer the fastest response time. These panels use the oldest LCD technology to achieve a compromise between color accuracy, contrast and viewing angle.

The In-Plane Switching Panel (IPS) is designed for more advanced users who need wider viewing angles, better black and colour reproduction. The increase in these factors leads to slower reaction times.

IGZO (indium-gallium-zinc oxide) panels feature transistors in the TFT backplane, providing superior performance at lower weight, making them ideal for high-density displays such as 4K monitors.

Cable considerations

Standard DisplayPort cable

DisplayPort (DP) cables are designed to ensure that all certified DP cables are compatible with all DP displays. Use a certified DisplayPort cable for compatibility and a better overall experience.

Avoid purchasing any of the many uncertified DP cables available on the market. Non-certified cables are defective and connected to pin 20. This can lead to all kinds of strange behavior with your monitor, such as This can cause the system power to be restored, the graphics card and monitor to accidentally lose synchronization, USB devices to be turned on when the system is turned off, resulting in lower refresh rate or even overall system instability.

HDMI cables are supported by some 4K monitors, but the HDMI version is supported by most graphics cards with a maximum frequency of 30 Hz. The new HDMI 2.0 cables can support 60 Hz if the graphics card allows it.

Scaling on PC and Mac

Displaying Scale in Windows

The built-in 4K resolution on the small screen produces a small and difficult to read text. To remedy this, Windows and MacOS operating systems can be adjusted to the size of screen elements such as windows, buttons and text.

The extended operating system kernel allows applications to take advantage of increased pixel density without sacrificing usability.

Scaling of Windows 10 DPI is problematic, and Microsoft has made significant efforts to solve these problems in cooperation with other software vendors. If you decide to buy a 4K screen, you will be interested to see if your most commonly used applications can work on the 4K screen.

Internet speed

The available bandwidth for streaming video or movies on a 4K monitor can play an important role in your purchase decision. Many streaming services recommend the use of a service provider that provides unlimited bandwidth of at least 25 Mbps for 4K streaming content.

Even with sufficient bandwidth, older computer video connections such as VGA and DVI cannot provide reliable resolution transmission. New technologies such as HDMI, DisplayPort and Thunderbolt 2 or 3 are recommended.


After considering some of the benefits and problems associated with 4K screens, the decision to purchase a 4K screen for your computer is a personal decision.

Windows still has boot problems to implement a 4K scale solution in its operating system and in some applications that can run in 4K. However, MacOS is stable and works well in a 4K display environment, so it’s easy to take full advantage of it.

It is very important to follow the manufacturer’s policy regarding dead pixels. Some require a minimum number of dead pixels before replacing your display, while others will replace any model with problems.

The new 4K monitors will be cheaper and more affordable. If you have a budget to buy a 4k screen and want to try out the latest technology, it makes sense to buy now and always stay one step ahead. If you don’t have a budget, there are plenty of HD displays that work well and show you all the details you need for your average workday.

The last time the article was published was on the 28th. Updated in October 2020.

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