Fire TV device specifications for all models are provided here. The specifications provide more detail than the product pages on Amazon.com, as they're intended for developers building apps rather than for consumers. The Fire TV device family includes the following types of devices.
Refers to smart TVs with Fire TV built directly into the TV hardware. The TVs are usually from third-party manufacturers partnering with Amazon and are often country-specific.
Fire TV has come to automobiles! Features include both remote and touch capabilities, as well as options for downloading content.
Fire TV Cube
Refers to the cube form-factor of Fire TV devices, which offer far-field control with Alexa requests (no need to push a mic button on the remote). A blend of Fire TV and Echo.
Fire TV Streaming Media Player
Refers to Amazon Fire TV devices that are a stick, pendant (small box hanging from a USB cable), or set-top box.
Fire TV Soundbar
Refers to Fire TV devices that are in the form of a soundbar. These soundbars connect to your existing smart TV and deliver a rich sound system as well.
Tip: If you're trying to figure out which Fire TV device you have and the above doesn't help, see Which Fire TV Device Do I Have? in the Fire TV Devices Help section on the Amazon retail site. You can also download an app called Informer to gather these details. (Note that Informer is a third-party app not affiliated with Amazon.)