4K resolution is the current standard for high-quality media ... which are small dots or squares that work together to create images. The more pixels a screen has, the higher its resolution ...

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 ...

HDR (high dynamic range) movies and shows from 4K Blu-rays or streaming services ... Though similarly priced TCL and Hisense models have an edge in image quality, Roku's intuitive smart TV ...