What does 8K mean?
An 8K TV is a TV that has a screen with 7,680 horizontal and 4,320 vertical pixels for a total of approximately 33 million pixels. The "K" in 8K stands for Kilo (1000), meaning a TV that has achieved a horizonal resolution of about 8,000 pixels.
8K TV is the highest resolution TV that has been released recently among UHD (ultra high definition) TVs. With four times more pixels than a 4K TV—another type of UHD resolution—8K TVs show a sharper and more detailed picture quality. This is because in 8K TVs pixels are so small they cannot be distinguished even from close up, making highly detailed images a reality.
See the difference in image quality
So, how good are 8K TVs compared to traditional TVs? Let's compare them to Full HD TVs and 4K UHD TVs to find out.
The resolution in 8K TVs is 4 times higher than that of 4K UHD TVs, and 16 times higher than Full HD TVs. Higher resolution means that there are more pixels that make up the screen. In other words, on the same size TVs, pixels are more densely packed within the same area which allows for a much more sophisticated and realistic image representation. This provides an overwhelming sense of immersion when you watch TV.
The term used to describe the number of pixels in a given area is called PPI (Pixels Per Inch), and naturally a higher PPI number means higher pixel density. Typically, PPI should be at least 50 or more in order to enjoy various kinds of video content. That being said, on a 75" 8K TV the PPI is 117 while on a 4K TV and FHD TV it's 59 PPI and 29 PPI respectively.
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