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Amazon
Amazon Fire TV Cube, with AI-powered Fire TV Search, Hands-free streaming device with Alexa, Wi-Fi 6E, 4K Ultra HD
4.5
Based on 14,930 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025
Technical Specifications
Complete product details
- Size
- 3.38” x 3.38” x 2.99” (86 mm x 86 mm x 77 mm)
- Weight
- 513g (1.13 lbs)
- Processor
- Octa-core 4x 2.2GHz 4x 2.0GHz
- GPU
- 800MHz
- Storage
- 16 GB internal
- Memory
- 2 GB internal
- Wifi
- Wi-Fi 6E Tri-band. Also supports 802.11a/b/g/n/ac/ax wifi networks. For Wi-Fi 6E support, Fire TV Cube must be connected to the 6 GHz band of a Wi-Fi 6E network using WPA3 encryption.
- Bluetooth
- Bluetooth 5.0 + LE. Pair with compatible Bluetooth speakers, headphones, video game controllers, and more.
- Voice support
- Far-field and near-field voice support
- Voice control compatibility
- Controls a wide range of IR-enabled devices, including TVs, soundbars, cable and satellite boxes, and A/V receivers.
- Cloud storage
- Free cloud storage for digital content purchased from Amazon.
- Ports
- HDMI 2.1 Input, HDMI 2.1 Output, IR Extender, Power, USB-A 2.0, Ethernet port 10/100Mbps
- Audio support
- Dolby Atmos, 7.1 surround sound, 2-channel stereo, and HDMI audio pass through up to 5.1.
- 4K Support
- To watch movies and TV shows in 4K Ultra HD, you need a compatible 4K Ultra HD TV. All services may not be available in 4K/HDR. Certain services are subject to change at any time, may not be available in all areas, or in 4K/HDR, and may require separate subscriptions. Learn more about services.
- Content formats supported
- Video: Dolby Vision, HDR 10, HDR10+, HLG, H.265, H.264, VP9, AV1, Audio: AAC-LC, AC3, eAC3 (Dolby Digital Plus), FLAC, MP3, PCM/Wave, Vorbis, Dolby Atmos (EC3_JOC), Dolby MAT, Dolby TrueHD passthrough, DTS passthrough, DTS-HD passthrough (basic profile), Photo: JPEG, PNG, GIF, BMP
- Output/Input resolution supported
- 2160p, 1080p and 720p up to 60 fps
- System requirements
- High-definition television with available high-speed HDMI input, high-speed internet connection via wifi or built-in Ethernet port, power outlet (compatible TV/sound/cable equipment for control by infrared or voice). High-speed HDMI cable rated 18Gbps or higher, and 4K TV with high-speed HDMI connector required for 4K viewing and more reliable device control. Wi-Fi 6E router needed for Wi-Fi 6E support. Auto-Low Latency Mode is included in the HDMI 2.1 standard.
- TV compatibility
- TV must support minimum HDCP requirements for protected content playback. Compatible with 1) 4K ultra high-definition TVs with HDMI capable of 2160p at 24/25/30/50/60 Hz and HDCP 2.2 or 2) high-definition TVs with HDMI capable of 1080p or 720p at 50/60 Hz. Learn more about high-definition.
- Warranty and service
- 1-year limited warranty and service included. Optional 2-year and 3-year extended warranty available for U.S. customers sold separately. Use of Fire TV is subject to the terms found here.
- Content availability
- Certain apps and services are subject to change or withdrawal at any time, may not be available in all areas and languages, and may require separate subscriptions.
- Accessibility features
- VoiceView screen reader enables access to the vast majority of Fire TV features for users who are blind or visually impaired. Screen magnifier enables viewers to zoom in and out, and pan around the screen. Text Banner consolidates onscreen text into a compact, customizable banner that appears on the screen. Watch videos and TV shows with closed captioning displayed. Use Audio Description for verbal descriptions of what is happening on the screen, including physical actions, facial expressions and scene changes. Captions and audio descriptions are not available for all content. Fire TV Cube (2nd and 3rd Gen) supports audio streaming for select compatible Bluetooth hearing aids for a private listening experience. You can also listen to Fire TV with compatible Bluetooth headphones. Learn more about accessibility for Fire TV.
- Included in the box
- Fire TV Cube (3rd Gen), Alexa Voice Remote Enhanced, power adapter, 2 AAA batteries, Quick Start Guide. HDMI, IR extender and Ethernet cables are sold separately.
- Software Security Updates
- This device receives guaranteed software security updates until at least four years after the device is last available for purchase as a new unit on our websites. Learn more about these software security updates. If you already own a Fire TV, visit Manage Your Content and Devices for information specific to your device.
- Size
- 38 mm x 158 mm x 17 mm
- Weight
- 51 g (without batteries)
- Batteries
- 2 AAA (included)
- Technology
- Bluetooth 5.0
- Compatibility
- Fire TV Cube (3rd Gen), Fire TV 4-Series, Fire TV Omni QLED Series
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About the Author
Expert analysis by Julian Cresswell
Julian Cresswell
Expert ReviewerDeputy Reviews Editor
Julian oversees productivity tools at Review Atlas, from note apps and password managers to monitors and docks. He measures latency, panel uniformity, and keyboard ergonomics to see what truly improves your workday. Previously a solutions architect, he cares about compatibility and backup strategies as much as shiny features, writing “stack recipes” that combine hardware and software into smooth setups.
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View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Julian Cresswell
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Vehicle Electronics testing methodology
Last updated: November 17, 2025
|Independently tested and reviewed