Amazon Fire TV Cube (2nd Gen) vs Amazon Fire TV Stick 4K (3rd Gen)

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Fire TV Cube (2nd Gen) compared with Fire TV Stick 4K (3rd Gen)
AmazonFire TV Cube (2nd Gen)AmazonFire TV Stick 4K (3rd Gen)
Overview
ReleasedOctober 2019September 2026
Video and audio
Resolution4K4K
HDRDolby Vision, HDR10+, HDR10 and HLG (better)HDR10, HDR10+ and HLG
Dolby AtmosYesYes
VideoHEVC hardware decoding up to 2160p at 60 fps; H.264 up to 4K 30 fps or 1080p 60 fps; VP9 up to 2160p 60 fps with limitationsAV1, HEVC and VP9 decoding up to 4K at 60 fps; H.264 up to 4K at 30 fps or 1080p at 60 fps
HDRDolby Vision, HDR10, HDR10+ and HLGHDR10, HDR10+ and HLG; 8-bit and 10-bit HEVC, AV1 and VP9 input. Dolby Vision is not listed in the maker's specifications.
AudioDolby Atmos over Dolby Digital Plus for compatible equipment and supported titles; Dolby Digital and Dolby Digital Plus; built-in speaker for Alexa responsesHDMI pass-through for Dolby Digital, Dolby Digital Plus, Dolby Atmos, DTS, DTS-HD and MPEG-H
Performance
SoftwareFire OSVega OS
Storage16 GB (better)8 GB
Chip detailsAmlogic S922X; hexa-core CPU with four cores up to 2.2 GHz and two up to 1.9 GHz; Arm Mali G52-MP2 (3EE) GPU at 800 MHz; 32-bit application supportMediaTek MT8698E; four Arm Cortex-A55 cores up to 1.7 GHz; Arm G310 V2 GPU up to 500 MHz
Memory2 GB DDR4-2400 RAM, as listed by Amazon’s developer specifications1GB LPDDR4-3733 RAM
Storage16 GB internal storage; operating software occupies part of it–
Software and servicesFire OS 7 based on Android 9 (API level 28); developer build model AFTRVega OS 2.0; includes the redesigned Fire TV experience and Alexa+. App availability differs from older Android-based Fire OS devices.
Connections
Wi-FiWi-Fi 5Wi-Fi 6
EthernetNoNo
Voice remoteYesYes
PortsHDMI output, Micro-USB, IR extender and power connections; no built-in Ethernet socket. The included Amazon Ethernet Adapter supplies 10/100 Ethernet through USB.HDMI 2.1; USB-C 2.0; Ethernet supported through a separate adapter
Wi-Fi and BluetoothDual-band 802.11a/b/g/n/ac with 2 × 2 MIMO; Bluetooth 5.0Dual-band Wi-Fi 6 (802.11a/b/g/n/ac/ax, 2.4 and 5 GHz); Bluetooth 5.3 and Bluetooth Low Energy
Smart homeEight far-field microphones and beamforming; Local Voice Control processes common navigation commands on the device. Alexa controls compatible equipment through infrared, HDMI CEC and supported cloud protocols.–
RemoteAlexa Voice Remote (2nd Gen); 38 × 142 × 16 mm, 43.4 g without batteries; two AAA batteries includedIncluded Fire TV Remote (2026) has a microphone button, dedicated power, volume and mute controls for compatible TVs, soundbars and receivers, and a customisable star button
Design
TypeBoxStick
PowerExternal power adapterDirect Power from the TV's USB port with the included cable
Size86.1 × 86.1 × 76.9 mm; 465 g–
In the boxFire TV Cube, Alexa Voice Remote (2nd Gen), power adapter, two AAA batteries, IR extender cable, Amazon Ethernet Adapter and guides; HDMI cable sold separatelyFire TV Stick 4K and Fire TV Remote; included cable enables Direct Power

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