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Why even get a 4K or full HD TV when many channels still broadcast in 720p?
A 4K TV has a resolution of at least 3840 x 2160 pixels, while a Full HD TV has a resolution of 1920 x 1080 pixels.
Despite the higher resolution of 4K TVs, much of the broadcasted content is still in lower resolutions, such as 720p.
To present lower resolution content on a 4K TV, the TV performs a process called upscaling, which increases the pixel count of the lower resolution image to fit the 4K screen.
4K TVs can play Full HD content, but it won't be displayed in the standard 1920 x 1080 resolution.
Instead, the TV will upscale the content to fill the extra pixels.
4K TVs have four times as many pixels as 1080p TVs, resulting in more detailed and colorful images.
The term "4K" has gained more traction in everyday use, and is often used interchangeably with "Ultra HD" or "UHD", which refers to a resolution of 3840 x 2160 pixels.
The difference between 4K and Ultra HD is difficult to see with the naked eye.
Upscaling involves various steps, including analyzing the signal received to determine what type and resolution it is, and then adapting the image to fit the 4K display.
720p is the lowest level of HD resolution and is sometimes referred to as "HD ready" or "Standard HD" to differentiate it from 1080p.
1080p is known as Full HD or 2K, and is the format widely used across TV broadcasts and streaming services.
Netflix is one of the main sources of new 4K content, and shows such as Stranger Things and Our Planet look far better with 4K Vision and wide color gamut than they do at 1080p.
The increased pixel count of 4K TVs allows for more vivid colors, deeper blacks, and more details in the image.
The "K" in 4K stands for Kilo, meaning a TV that has achieved a resolution of almost 4000 pixels wide (3840 x 2160).
HD resolution is often referred to as 1080p, while 4K is called 2160p.
Despite the higher resolution of 4K TVs, 1080p TVs are much cheaper and offer a better selection of content.
Upscale any video of any resolution to 4K with AI. (Get started for free)