Amazon Fire TV Cube (1st Gen) vs Roku Premiere (3920)

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Fire TV Cube (1st Gen) compared with Premiere (3920)

	AmazonFire TV Cube (1st Gen)	RokuPremiere (3920)
Overview
Released
Released	June 2018	October 2018
Video and audio
Resolution
Resolution	4K	4K
HDR
HDR	HDR10	HDR10
Dolby Atmos
Dolby Atmos	Yes	–
Video
Video	HEVC hardware decoding up to 3840 × 2160 at 60 fps; H.264 up to 4K 30 fps or 1080p 60 fps; VP9 up to 4K 60 fps with limitations	720p, 1080p and 4K Ultra HD; up to 4K at 60 fps (Roku's exact Gilbert 4K/3920X developer row). HDCP 2.2 required for 4K/HDR
HDR
HDR	HDR10; Dolby Vision and HDR10+ are not listed for this generation	HDR10 in Roku's exact developer row; the 2019 UK reviews report no Dolby Vision, HDR10+ or HLG
Audio
Audio	Dolby Atmos over Dolby Digital Plus for compatible equipment and supported titles; Dolby Digital and Dolby Digital Plus; built-in speaker for Alexa responses	–
Performance
Software
Software	Fire OS	Roku OS
Storage
Storage	16 GB	–
Chip details
Chip details	Amlogic S905Z; quad-core Arm Cortex-A53 up to 1.5 GHz; Mali-450 MP3 GPU; 32-bit application support	Quad-core processor (Roku announcement); Arm Cortex-A53 and OpenGL ES 2.0 (exact maker developer row)
Memory
Memory	2 GB RAM; memory type not specified by Amazon’s developer table	1 GB (Roku's exact Gilbert 4K/3920X developer row)
Storage
Storage	16 GB internal storage; operating software occupies part of it	–
Software and services
Software and services	Fire OS 6 based on Android 7.1 (API level 25); developer build model AFTA	Roku OS; app availability varies by region and software version. US retail availability began in early October 2018; the developer row lists 2019, while the original US maker announcement specifies October 2018
Connections
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 4
Ethernet
Ethernet	No	No
Voice remote
Voice remote	Yes	No
Ports
Ports	HDMI output, Micro-USB, IR extender and power connections; no built-in Ethernet socket. Ethernet is supported through the included USB-connected adapter.	HDMI output, micro-USB power and reset; no Ethernet, USB media or memory-card slot
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Dual-band 802.11a/b/g/n/ac with 2 × 2 MIMO; Bluetooth 4.2 with BLE	Single-band 802.11b/g/n; no 5 GHz support (Tech Advisor)
Smart home
Smart home	Eight far-field microphones and beamforming; Alexa controls compatible televisions, soundbars, receivers and cable boxes through infrared, HDMI CEC and supported cloud protocols	–
Remote
Remote	First-generation Alexa Voice Remote included; voice microphone button and navigation controls	Standard infrared remote with channel shortcuts; no microphone, television power/volume controls or headphone socket. Premiere+ 3921 was the voice-remote bundle
Design
Type
Type	Box	Box
Power
Power	External power supply	USB power cable and mains adaptor; maker recommends the adaptor if the television's USB port supplies insufficient power
In the box
In the box	Fire TV Cube, Alexa Voice Remote, batteries, power supply, Ethernet adapter and IR extender; HDMI cable not included	Player, infrared remote, two AAA batteries, HDMI cable, USB power cable, power adaptor and removable adhesive strip (UK quick-start guide)