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, and nearly all UHD streaming content from Netflix, Amazon and others, is ...

4K resolution is now within reach of everyday PC users, promising a massive improvement to image quality, with four times the pixels of a 1080p display. A 4K monitor is useful not only in games ...

HDMI 1.4 can support the basic 4K resolution on its own, but you don't get the extra features along with it, including HDR. As with any emerging technology like this, you don't absolutely need it ...