Amazon Fire TV (2nd Gen) vs Roku 4 (4400)

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Fire TV (2nd Gen) compared with 4 (4400)

	AmazonFire TV (2nd Gen)	Roku4 (4400)
Overview
Released
Released	October 2015	October 2015
Video and audio
Resolution
Resolution	4K	4K
HDR
HDR	None	None
Video
Video	HEVC and H.264 decoding up to 3840 × 2160 at 30 fps; HEVC Main 10 input but 8-bit output; VP9 up to YouTube 4K; HDCP 2.2	Up to 4K Ultra HD at 60 fps; HDCP 2.2 required for 4K (Roku launch announcement)
HDR
HDR	HDR output is not supported, according to Amazon’s developer specifications	No HDR support (TechRadar)
Audio
Audio	Dolby Digital and Dolby Digital Plus input formats; surround audio via HDMI	–
Performance
Software
Software	Fire OS	Roku OS
Storage
Storage	8 GB	–
Chip details
Chip details	MediaTek 8173C; two Cortex-A72 cores up to 2 GHz and two Cortex-A53 cores up to 1.573 GHz; PowerVR Rogue GX6250 GPU; 32-bit applications	Quad-core Arm processor; maker does not identify the processor model or clock rate
Memory
Memory	2 GB RAM	1.5 GB (Roku's exact Dallas/4400X developer row)
Storage
Storage	Internal storage includes operating software; microSD expansion supports up to 128 GB for downloaded apps and games	microSD expands channel/app storage; USB supports local media playback. User-accessible internal capacity is not published in the maker sources used
Software and services
Software and services	Fire OS 5 based on Android 5.1 (API level 22); build model AFTS. Amazon’s launch release confirms US shipping from 5 October 2015.	Launched with Roku OS 7. Roku lists OS 11.5 as the last supported release for model 4400X; channel availability varies by region and software version
Connections
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5
Ethernet
Ethernet	Yes	Yes
Voice remote
Voice remote	Yes	Yes
Ports
Ports	HDMI, Ethernet, USB 2.0, microSD and power; no optical audio output. USB version and port list confirmed by AVForums’ exact-model inspection.	HDMI, optical digital audio, Ethernet, USB media playback, microSD channel-storage slot and power
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Dual-band 802.11a/b/g/n/ac with 2 × 2 MIMO; Bluetooth 4.1 with BLE; Miracast supported	Dual-band 802.11ac MIMO Wi-Fi (Roku launch announcement)
Remote
Remote	Included microphone-equipped voice remote; Alexa functions varied by region, with AVForums reporting no Alexa assistant in the UK at its 2015 review	Original enhanced wireless remote with voice search, headphone socket, motion/game controls and a speaker for the player's remote-finder button. Uses Wi-Fi rather than Bluetooth (Ars Technica)
Design
Type
Type	Box	Box
Size
Size	–	16.5 × 16.5 × 2 cm, width × depth × height (TechRadar)
In the box
In the box	–	Player, enhanced remote and headphones (Roku launch announcement)
Power
Power	External power supply	–