Amazon Fire TV Cube (3rd Gen) vs Roku Ultra (2024)

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Fire TV Cube (3rd Gen) compared with Ultra (2024)

	AmazonFire TV Cube (3rd Gen)	RokuUltra (2024)
Overview
Released
Released	October 2022	September 2024
Video and audio
Resolution
Resolution	4K	4K
HDR
HDR	Dolby Vision, HDR10+, HDR10 and HLG	Dolby Vision, HDR10+, HDR10 and HLG
Dolby Atmos
Dolby Atmos	Yes	Yes
Video
Video	2160p, 1080p and 720p up to 60 fps, for output and HDMI input; AV1 and HEVC decoding up to 4K at 60 fps; Super Resolution Upscaling from HD to 4K	Up to 2160p at 60 fps (3840 × 2160) with up-scaling from 720p and 1080p; HDMI Quick Media Switching (QMS); AV1, HEVC, H.264 and VP9 from USB
HDR
HDR	Dolby Vision (profiles 4-MEL, 5, 8, 9 and 10), HDR10, HDR10+ and HLG	Dolby Vision at 60 fps, HDR10, HDR10+ and HLG
Audio
Audio	Dolby Atmos, 7.1 surround and stereo; Dolby MAT transcoding, including for HDMI input; Dolby TrueHD, DTS, DTS-HD (basic profile) and MPEG-H pass-through; built-in 11 W speaker	Dolby Atmos decode via HDMI; DTS Digital Surround pass-through; AC-4 and DD+ with Atmos, FLAC, ALAC and other formats from USB
Performance
Software
Software	Fire OS	Roku OS
Storage
Storage	16 GB	–
Chip details
Chip details	Amlogic POP1-G; 4× Arm Cortex-A73 at 2.2 GHz and 4× Cortex-A53 at 2.0 GHz; Arm G52 MP8 GPU at 800 MHz	Quad-core Arm Cortex-A55; Roku quotes over 30% faster than other Roku players
Memory
Memory	2GB LPDDR4/4X	2 GB
Connections
Wi-Fi
Wi-Fi	Wi-Fi 6E	Wi-Fi 6
Ethernet
Ethernet	Yes	Yes
Voice remote
Voice remote	Yes	Yes
Ports
Ports	HDMI 2.1 input; HDMI 2.1 output with ARC; HDCP 2.3; USB-A 2.0 (for webcams); IR extender; 10/100 Ethernet; power	HDMI 2.1b; USB 3.0; 10/100 Ethernet; power
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Wi-Fi 6E tri-band 802.11a/b/g/n/ac/ax with 2x2 MIMO (2.4, 5 and 6 GHz); Bluetooth 5.0 and LE	802.11ax dual-band MIMO Wi-Fi 6 (2.4 GHz and 5 GHz); Bluetooth audio streaming
Smart home
Smart home	Hands-free Alexa with a four-microphone array; controls TVs, soundbars, cable and satellite boxes and receivers by voice and IR; Alexa video calling with a USB webcam	Works with Roku Smart Home, Apple AirPlay and HomeKit, Google Home and Alexa
Remote
Remote	Alexa Voice Remote Enhanced; Bluetooth 5.0; 2 × AAA; 38 × 158 × 17 mm, 51 g without batteries	Roku Voice Remote Pro (2nd edition) with hands-free voice, backlit buttons, TV power and volume, Quick Launch and Live TV Guide buttons, lost-remote finder; rechargeable over USB-C
Design
Type
Type	Box	Box
Power
Power	External power adapter	12 V, 1.5 A power adaptor; about 4.5 W when streaming 4K
Size
Size	86 × 86 × 77 mm; 513 g	124.4 × 127.0 × 25.4 mm; 167.2 g
In the box
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 sold separately)	Roku Ultra, Roku Voice Remote Pro (2nd edition), USB-C charging cable for the remote, Premium High Speed HDMI cable, power adaptor