Amazon Fire TV (2nd Gen) vs Roku Premiere (4620)

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Fire TV (2nd Gen) compared with Premiere (4620)

	AmazonFire TV (2nd Gen)	RokuPremiere (4620)
Overview
Released
Released	October 2015	October 2016
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	4K UHD up to 60 fps; HDCP 2.2; upscales 720p/1080p to 4K and 720p to 1080p (Roku launch release reproduced by Display Daily)
HDR
HDR	HDR output is not supported, according to Amazon’s developer specifications	No HDR in Roku's exact Cooper/4620X developer row and original launch release; distinct from the later HDR-capable Premiere with model number 3920
Audio
Audio	Dolby Digital and Dolby Digital Plus input formats; surround audio via HDMI	Night listening mode adjusts sound levels for consistent volume (Roku launch release)
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	Arm Cortex-A53 quad-core at 1.2 GHz; OpenGL ES 2.0 (Roku's exact Cooper/4620X developer row)
Memory
Memory	2 GB RAM	1 GB (Roku's exact Cooper/4620X developer row)
Storage
Storage	Internal storage includes operating software; microSD expansion supports up to 128 GB for downloaded apps and games	–
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.	Roku OS; apps and features vary by region and software version
Connections
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5
Ethernet
Ethernet	Yes	No
Voice remote
Voice remote	Yes	No
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 output and power input only; no Ethernet or microSD card slot (The Gadgeteer)
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 (Roku launch release)
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 infrared remote with navigation, playback and app shortcuts; no microphone or headphone socket. Mobile-app voice search is separate
Design
Type
Type	Box	Box
Size
Size	–	Approximately 5-inch-square black box (The Gadgeteer); original box includes remote, two AAA batteries and power adapter
Power
Power	External power supply	–