Does it support Dolby Vision?

No. It handles 4K and HDR10, but not Dolby Vision. If your TV supports Dolby Vision and you want it, look at a rival stick that does.

Will it work with an older 1080p TV?

Yes. It outputs 4K when the TV supports it and drops to lower resolutions otherwise, so it works on 1080p sets.

Yes. The Roku Voice Remote handles TV power and volume, so you can often use it alone.

Both stream 4K HDR. Roku leans on a neutral interface and broad app range; Amazon's stick ties more tightly into Alexa and Amazon content.

A free HDMI port, a USB power source and a Wi-Fi network. It plugs straight into the HDMI port and hides behind the TV.

Yes. A free Roku account is required to activate the device and add channels.

18 stores we checked sell it, including PhoNecessity, The Home Depot, Amazon, Roku, eBay.

At Roku, for $49.99, 38% under what the other stores charge, as of our latest check.

$49.99at RokuChecked 1 h ago

38% under what the other stores charge

Compared across 18 stores. Prices are checked against each store and labelled with when.

It checks today's price at every store, compares the alternatives and answers in about a minute.