What is 4K TV and Ultra HD?

EVERYTHING YOU NEED TO KNOW ABOUT 4K AND UHD

The world of TVs has moved on a lot in the last year. There are new technologies and certifications, all aimed at helping TV tech take the next leap forward. They all carry snappy acronyms like HDR and BT.2020. The one you need to look out for is '4K'.

There has been talk of 4K for years, but it's no longer just something for the tech-minded early adopters. This advancement has properly hit the mainstream. It is now an important new standard.

How important? Netflix has been hard at work pushing 4K for over a year and theSky Q now pushes 4K to a whole new segment of mainstream TV viewers in the UK. Amazon's latest Fire TV provides another accessible entry point to UHD content. Then there's the new Xbox One S, which brings the 4K love-in to games too.

At CES 2016, all the big manufacturers like Samsung to Panasonic unveiled new 4K TVs. Most of them are have the new Ultra HD Premium certification, which you can read all about in our helpful guide: 'What is Ultra HD Premium?'

We're bound to see even more announcements at the forthcoming CES 2017 show as well.

With all that in mind, we thought we'd have a crack at compiling an ultimate guide on 4K. Here are some of the most common 4K-related questions, to save you a load of time and effort when buying a new TV.