The streaming device market is more competitive than ever. Today, there are a plethora of devices to choose from across a number of price points. If you want the best of the best, however, you’ll probably want to invest in a device that supports 4K video. Many of the most popular streaming services are increasingly moving towards the format. Realistically, you have four 4K devices to choose from: the Chromecast Ultra, the Apple TV 4K, the Roku Ultra, and the Amazon Fire TV 4K. But how do they stack up against each other?