TV tuner - All TVs have Freeview tuners, meaning you can plug in an aerial and enjoy subscription-free TV and radio channels.OLED TVs are getting cheaper, but are still pricey compared to LED TVs. Organic light emitting diode (OLED) TVs have self-lighting pixels, meaning they can be ultra-slim and achieve deeper black levels. At their best, LED TVs are affordable, energy efficient and have bright, detailed pictures. Screen technology - Most new TVs have LCD screens with LED backlights – plasma models are no longer commonly available.HD TVs are now less commonly available, you should really opt for a 4K TV if you’re upgrading. Sharper still are 4K, or Ultra HD (UHD), TVs that have four times the pixels of Full HD and can give superior picture quality. Resolution - TVs are available as either cheap, HD Ready 720p sets that can show broadcast HD TV, or sharper, higher resolution Full HD 1080p models that can get the best out of Blu-ray films.Also, curved TVs don't mount as flush to a wall as a regular flatscreen, so think carefully before buying one. However, our tests have found that this does little to improve the viewing experience, and can result in a distorted picture if you’re sitting at an angle.

Curved vs flat - It’s now possible to buy LED and OLED TVs with curved screens designed to wrap the picture around you like an IMAX cinema.

Slide through our gallery, below, and click on the information buttons to discover more about screen types, such as LED, OLED, HD and 4K, features including built-in recording, plus how to connect devices. There's more to consider with TVs than just how big the screen size. If you’re not yet a member, you can get instant access to all of our online reviews - from TVs to soundbars - if you join Which. Only logged-in Which? members can view our recommendations, below. Plus our reviews will also tell you the results of our annual TV owners' survey - we uncover which brands are the most (and least) reliable, and which ones owners would buy again. Our tough lab tests mean we can reveal in our TV reviews which TVs have superb picture quality, sound fantastic and are easy to use. From big decisions such as which screen size is best for you, to specific features to look out for and how much to spend, our expert advice will help you find your perfect TV.

Here, we reveal our pick of the best TVs you can buy right now, plus take a closer look at the key things you should think about before you buy. When you're facing lists of thin-bezel flatscreen TVs from LG, Panasonic, Hisense, Samsung and Sony, which all look more or less the same, it may seem as though there's not much to pick between them. Need help to buy the best TV? Here's where we come in.

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