these machines will be powerful enough to output your favourite video games in glorious 4K resolution and spin your Ultra HD Blu-ray discs too. Almost every new TV on the market is now 4K-ready ...

The most important thing to know about Full HD screens is that they pack a resolution of 1,920 x 1,080 pixels. So far, so simple. Next comes 4K, also known as Ultra High-Definition Television, Ultra ...