Almost every new TV on the market is now 4K-ready but it's worth looking out for extra features, including HDR and what's known as Ultra HD Premium - that's one of those stickers you see on ...

The Xbox One S, however, can play video from Ultra HD ... in 4K, and will output 4K to your 4K TV even if it’s playing a game (it just upscales the game from a much lower resolution). HDR ...