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Truth be known, buying a 4K TV versus a UHD TV will not make much of a difference to the average viewer, with both offering excellent resolution. However, if having the highest possible picture clarity is essential to you, you'll want to look for a 4K unit that displays at 4,096 x 2,160.
Full HD is just another term for 1080p or 1920x1080, and those are all ways of referring to the same resolution. By contrast, 4K has a resolution of 3840x2160. That's a lot more pixels in the overall image — totaling over 8 million pixels. As always, the higher the resolution, the sharper the picture will be.
The K in 4K stands for Kilo (1000), meaning a TV that has achieved a horizonal resolution of about 4,000 pixels.
The Digital Cinema Initiatives standard for 4K resolution in the film and video production industry is 4096x2160 pixels. The 4K resolution standard for television and monitors is 3840x2160 pixels.
While often used interchangeably, there is a technical difference between 2160p and 4K. 2160p, or 4K UHD (Ultra High Definition), has a resolution of 3840 x 2160 pixels. In contrast, 4K in professional terms, also known as 4K DCI (Digital Cinema Initiatives), boasts a resolution of 4096 x 2160 pixels.

Norway 4K • Scenic Relaxation Film with Peaceful Relaxing Music and Nature Video Ultra HD

12 hours of healing music and relaxation with beautiful views of Norway in 4K Ultra HD Richard Nomad ▻My device: Flycam:...

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