Can human eye distinguish between 4k and 8k

Can human eye distinguish between 4k and 8k?

It is no secret that the human eye and Ps5 are both complex, intricately designed creations, and many people often ask if they really support 8K resolution. It seems that manufacturers are attempting to convince consumers that 4K resolution is simply not good enough to watch 4K video. It has been found out that 4K is simply UHD, and 8K is nothing but Full UHD, is what is required in the near future. What is the real story here, or have we been sold a duff product? It is time for further inquiry.

How much resolution does the human eye have?

human eye resolution

In ideal settings, a human eye is capable of perceiving details at a maximum resolution of 576 megapixels. The 8K TV seems to offer far more than what an ordinary TV can provide at first glance. This isn’t as simple as it seems. For example, whereas human eyes can capture 576 megapixels of motion, a single glance only registers at roughly 5-15 megapixels. Thus, it is possible that even if you have 20/20 vision, you will not be able to see 576 megapixels even if you have the best eyesight in the world

Are humans capable of seeing 4K?

Yes, a moving gaze would allow your eyes to view all the pixels in the 4K resolution, but it would surely not be a pleasant experience. The number of pixels on a 4K display is approximately four times more than that on a 2K display, which amounts to about 8 megapixels. Thus the 4k pixels might be visible if your gaze is still. But this applies only when if you have perfect 20/20 vision, which is extremely rare. In the case of a poor visual acuity, only 1/4th of the pixels will be visible.

Are humans capable of seeing 8K?

Factors such as distance and size significantly affect how well an 8K display is perceived. Viewers’ ability to see the maximum resolution depends on both the distance and size of the display. In reality, the display-diagonal of a 75-inch HD monitor, a 120-inch 4K monitor, and a whopping 280 inch 8K monitor are required to distinguish HD and 4K resolution from 10 feet away for a person with 20/20 vision.

The 8K pixels can technically be seen by your eyes if your gaze continues to move, but for most people, gazing continuously is not all easy. Moreover, displays with 8K resolution have eight times more pixels than those with 4K resolution.  In total, this amounts to 33 megapixels, or 33 million pixels! Thus the pixels won’t be visible if your gaze is still. In fact, even if your eyesight is 20/20 or better, you would only be able to make out a little over half of its pixels

Thus in short, the average viewer cannot notice 8K on a small screen, so it would make sense to invest 8k screens in stadiums and theatres, but at home it would be much more complicated and unlikely.

How well do you distinguish between 4K and 8K resolutions?

It is true that these 8K TVs produce images with more detail than 4K, 1080p and 1440p displays, but these differences can only be observed from a certain distance. It is similar to how changes in refresh rates become inconspicuous after a certain point. Using the same formulas as the 65-inch 8K TV, we can determine that this TV’s Visual Acuity distance is just 2 feet. After this distance, the human eye loses the ability to distinguish between individual pixels, causing them to blur together. With each step backwards, the pixels will blend more and more. Due to the fact that the TV is usually located at one end of the room and the sofa at the other, the distances between them won’t be much different when you reach around 9ft


Upon closer inspection, it seems that the mainstream market doesn’t really require 8K. As far as human perception goes, 4K has already reached its limits. That’s how it was intended to work. The next time you are even thinking to purchase an 8K TV for the sake of impressing your friends, consider something else instead. 8K cameras, however, have a real future. In this case, if you are planning on editing and producing better 4K footage in 8K, then you can purchase an 8k camera.

Leave a Comment

Your email address will not be published. Required fields are marked *