Amazon Fire TV Cube, with AI-powered Fire TV Search, Hands-free streaming device with Alexa, Wi-Fi 6E, 4K Ultra HD

Key Specifications

Size
38 mm x 158 mm x 17 mm
Weight
51 g (without batteries)
Batteries
2 AAA (included)
Processor
Octa-core 4x 2.2GHz 4x 2.0GHz
GPU
800MHz
Storage
16 GB internal

Reviewed by 15161 people this week!

★★★★
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Amazon
4.5
15161 reviews
10K+ bought in past month
Buy at Amazon
AmazonPrime Delivery • 30-Day Returns

Amazon Fire TV Cube, with AI-powered Fire TV Search, Hands-free streaming device with Alexa, Wi-Fi 6E, 4K Ultra HD

The Amazon Fire TV Cube (3rd Generation) is a high-end streaming media device that combines the power of a streaming player with built-in Alexa voice control and smart home features. It provides lightning-fast performance, seamless entertainment navigation, and hands-free voice operation so you can stream movies, TV shows, and music in stunning 4K quality. Use your voice to turn on your TV, control your compatible devices, or even manage smart home gadgets — all without reaching for a remote.

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2-Year Warranty
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Key Features

Our fastest-ever streaming media player - Brings lightning-fast app starts with an octa-core processor and is 2X as powerful as Fire TV Stick 4K Max.
Hands-free Alexa with built-in mic and speakers - Control your compatible TV, soundbar, and receivers with your voice, even from across the room.
Smarter searching starts here with Alexa – Find movies by actor, plot, and even iconic quotes. Try saying, "Alexa show me action movies with car chases."
Seamlessly navigate between your entertainment - Connect compatible devices and easily go from streaming to your cable box, game console, or webcam.
Smoother streaming with the latest in wifi tech - The first-ever streaming media player that features Wi-Fi 6E support.

The Amazon Fire TV Cube (3rd Generation) is a high-end streaming media device that combines the power of a streaming player with built-in Alexa voice control and smart home features. It provides lightning-fast performance, seamless entertainment navigation, and hands-free voice operation so you can stream movies, TV shows, and music in stunning 4K quality. Use your voice to turn on your TV, control your compatible devices, or even manage smart home gadgets — all without reaching for a remote.

Key Considerations

1

From a theoretical standpoint, processing power is the foundation of a smooth digital media experience. Streaming devices must handle multiple tasks simultaneously—decoding high-resolution video, managing background apps, responding to voice commands, and rendering user interfaces without lag.

2

Another critical factor is visual output quality, which depends on resolution and HDR (High Dynamic Range) support. From a content-theory perspective, modern streaming platforms increasingly optimize their content for 4K Ultra HD and HDR formats, making device compatibility essential.

3

Audio quality is often underestimated, yet it plays a crucial role in immersive entertainment. From an audio-theory perspective, modern surround sound formats aim to replicate real-world sound positioning by adding depth and directional accuracy.

4

Human-computer interaction theory emphasizes reducing physical effort and improving accessibility. Hands-free voice control is a major advancement in this area.

5

In the context of smart home theory, a centralized control hub improves efficiency and reduces system complexity. The Fire TV Cube acts as both an entertainment device and a smart home control center.

1

Processing performance is the single most critical factor in any modern streaming device. Theoretically, a streaming device acts as a real-time computing system that must decode high-resolution video, manage user interfaces, respond instantly to inputs, and process voice commands simultaneously.Human-computer interaction theory emphasizes minimizing physical effort while maximizing control efficiency. The Fire TV Cube excels in this area due to its hands-free Alexa integration with built-in far-field microphones.

These factors represent the most critical aspects that will impact your satisfaction with this product.

Customer Reviews

Flexible and Reliable Platform for Digital TV
2025-12-17T23:40:41.151Z

I've owned several different platforms for digital TV, including the old NVidia boxes. Technically speaking the NVidia boxes were exceptional with great, extensive flexibility, but if you want a box to streamline TV viewing without going through searching multiple data sources, upgrading apps and downloading TV shows & movies, Amazon's Fire TV Cube is a great way to do that. Amazon streamlines all of those processes I mentioned so that all you have to do is select the TV show or movie you want to watch, hit Play and it's playing. I still have my NVidia boxes, if I want to tinker, but, in all honesty, ever since I bought my first Fire TV Cube in 2019, they've been gathering dust.

U
RXC
I'm very pleased
2025-12-17T23:40:52.591Z

I'm 1 week in and I'm very pleased. I have had the other firesticks and this cube replaced the 4k max. Setting it up was easy enough. My TV is a Samsung Crystal UHD and I watch in Movie mode and use e-arc for my Samsung soundbar. I'm connected through the ethernet even though it's max speed is 100 mbs. It's more stable than wifi and I have absolutely no streaming issues such as buffering or freezing. I have the cube settings for match content, HDR always on and the enhancement on as well. I have a perfect natural color picture. I don't like the TV modes were color is just too much, not natural. I like watching older shows that are not as sharp as new shows and the enhancement this has dose help, I know the difference because I've watched them before on the 4k max firestick, the cube is better, not perfect but it is better. All my higher resolution streams look fantastic so I believe it helps to a point.

U
J.S

Frequently Asked Questions

Final Verdict

The Amazon Fire TV Cube (3rd Gen) is a compelling choice for anyone seeking a powerful, voice-enabled streaming device that goes beyond basic sticks and boxes. Its octa-core performance, hands-free Alexa control, and premium multimedia support make it ideal for homes with smart devices or users who prefer advanced 4K entertainment with intuitive control. While its price point is higher than basic streaming sticks, the added features — especially voice command and smart home capabilities — provide tangible benefits for the connected, voice-driven home.