When it comes to TVs, 4K and Ultra HD (or UHD) are referring to the same resolution. Those TVs, along with Ultra HD Blu-ray, ...

If you're buying a new TV, you'll want to know the difference between these different types of display technologies.

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 ...