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 ...

Older shows and movies are usually edited in 1080p or 720p ... and plenty of them won't make any significant difference. If you want to start building a 4K collection—or you've already begun ...

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 ...

In this case, the XG275D-4K is, as the model name implies, a 4K resolution (3840x2160) gaming monitor. At its native ...

Many of these webcams support 1080p, some at 60 fps, and a few at 4K, which adds to the price tag. If you're perfecting your streaming set-up you might want that higher frame rate capability ...