It's an easy decision — how badly do you want hands-free Alexa support build into a Fire TV? (And how much do you want to pay for it?)
Don't overthink this one
For all intents and purposes, the Amazon Fire TV Stick 4K and the Amazon Fire TV Cube do the same thing. They turn your TV into a portal for Amazon Prime Video, along with apps and games and music — pretty much everything you'd want in a smart TV box, right?
Both of these devices have support for 4K UHD resolutions. That's important for pretty much any new TV you buy today. They differ a bit when it comes to other features, though.
|Category||Fire TV Cube||Fire TV Stick 4K|
|Max resolution||2160p (4K)||2160p (4K)|
|Operating system||Fire OS 6 (Android 7.1)||Fire OS 6 (Android 7.1)|
|Bluetooth||BT 4.2||BT 5.0|
|Ethernet||Adapter included||Optional adapter|
|Amazon Alexa||Built in||Via voice remote|
The Fire TV Stick 4K and 2019 Fire TV Cube now both support Dolby Vision for HDR. (That's high dynamic range, and it basically makes your video look better. Colors are brighter and pop more, and darks are darker.)
The Fire TV Cube's differentiator is that it's got a microphone array built in, for hands-free access to Amazon Alexa. (The Fire TV Stick 4K also talks to Alexa, but first you'll have to hit a button on its remote control.) That's a big deal if you just have to have Fire TV and Alexa built into the same box. But it comes at a pretty big premium — $119, versus $49 for the Fire TV Stick 4K. And, in fact, you can bundle a Fire TV Stick 4K with a current-generation Amazon Echo Dot for just $79, making the Fire TV Cube that much of a tougher sell.
Both devices are shipping with the new-and-improved Fire TV voice remote.
The right choice
Get this if you don't like wasting money
The Amazon Fire TV Stick 4K has all the features and specs that you need, and none of the stuff you don't. And it still costs less than $50.
More expensive, less good
If you just have to have hands-free Alexa
The Fire TV Cube is more than twice as expensive, but has hands-free Alexa built in. But you can do better for less with an Echo Dot.
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