SmartHouse - - 4K // THE DIFFERENCE -

Today all Ul­tra High Def­i­ni­tion TVs are 4K.

4K refers to high def­i­ni­tion res­o­lu­tion: 3840 x 2160 pix­els. 4K is four times the pixel res­o­lu­tion, or twice the line res­o­lu­tion (2160p), of 1080p (1920 x 1080 pix­els). The other high def­i­ni­tion res­o­lu­tions in use are SD 720p and HD 1080i.

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