4K refers to the resolution of a television. a 4K TV is the next step up from an 'HD' TV. The [product_name] features 4K resolution. It refers to the amount of pixels (the little dots that make up the overall TV image). A 4K display will have around 4000 pixels horizontally, and is roughly 4 times the amount you get with a 1080p TV (a regular HD TV).

4K TVs are very popular in the gaming world, where new consoles support and have improved graphics for 4K tellys.

Can you notice the difference though? It seems strange that at one time everyone wanted an HDTV and now there's this 4K thing. The difference is definitely noticeable (check out your local electrical retailer and compare them side by side). The display is crisper, lines are more detailed and everything looks really sharp.

If you are in the market for a new TV then definitely think about future-proofing and look at getting one with 4K. It's here to stay and looks set to replace older style 1080p HD TVs.

While there is no industry standard for what a 'Smart TV' is, the term is used to describe a TV that combines a Television set with computing and internet capabilities. (Not unlike a smart phone such as the iPhone). The remote takes the place of a mouse and you use a friendly graphical user interface to navigate content.

Smart TVs also let you access IPTV - Internet Protocol Television. A development that is touted to be the next 'big thing' in Television. For more info on IPTV, visit this website.

The term Smart TV was originally used by Samsung but has been adopted by other TV makers such as LG and Philips.

What can you do with a Smart TV?

• Access social networking sites like Twitter and Facebook
• Stream content from home computers
• Access video, photos and music stored on your phone
• Browse the web
• Play games
• Watch YouTube videos
• Stream music and photos from the web
• Download and use Apps
• Search for content

Further reading: What is Samsung Smart TV

Smart TV - what you need to know.

TVs that access the web in one form or another have been around for a number of years now. The kind of service on offer varies from manufacturer to manufacturer but usually allows you to access online content such as music, videos and apps without directly being able to access the internet via a browser. The Samsung UE65MU6400 features a built in web browser that offers you freedom to surf and go anywhere on the web you want to, as if you were in front of a laptop or desktop computer.