8K displays will support a resolution of 7680 X 4320 pixels.

This feature is achieved by compressing the video feed to squeeze more data.

Tablets and smartphones with 4K are yet to go mainstream.

Forget 4K; 8K Laptops and PCs to become a reality by 2016

But the moot question is, is there any need of 4K or 8K displays?

Since its pretty hard for the human eye to differentiate pixels on a small screen?

Resource :Display Port.

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source: www.techworm.net