We hook up a receiver to a TV, then see how reliably it mirrors content. Testing the best Miracast and screen-mirroring devices is pretty straightforward. How we test Miracast and screen-mirroring devices Just bear in mind that you’ll need a pretty strong Internet connection to mirror high-res content reliably. These streaming devices support resolutions up to 4K. If you’re mirroring from a very powerful device, you might want a Google Chromecast Ultra or an Apple TV 4K. A regular Google Chromecast or a regular Apple TV can support resolutions of up to 1080p. Just bear in mind that when it comes to Google and Apple devices, you have two choices apiece. Most screen-mirroring protocols are not cross-compatible, so if you don’t buy the appropriate receiver, you could find yourself staring down a $50 paperweight. If you plan to stream from a Mac OS or iOS device, get an Apple TV. If you plan to stream from an Android device, get the Google Chromecast. Simply put: If you plan to stream from a Windows PC, get the Microsoft Wireless Display Adapter. The best Miracast or screen-mirroring device depends on the gadgets you already own. How to choose the best Miracast or screen-mirroring device for you The 4K variant is quite expensive, so it’s worth considering how often you mirror content at full HD vs. Like many streaming devices, the Apple TV comes in both 1080p and 4K flavors.

In addition, the Apple TV boasts a sophisticated search thanks to its Siri voice assistant and an admirable selection of both core and casual games.

Apple TV is also a full-featured set-top box that runs apps for most major streaming sites and plays movies, music and podcasts directly from iTunes. The setup and activation are essentially foolproof, and the streaming quality for music, photos and video is excellent. Using an iOS mobile device or a Mac computer, users can mirror their displays on an Apple TV.

AirPlay is one of the oldest and most reliable screen-mirroring protocols.

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