Roku Premiere (3920) vs Roku Premiere (4620)

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Premiere (3920) compared with Premiere (4620)

	RokuPremiere (3920)	RokuPremiere (4620)
Overview
Released
Released	October 2018	October 2016
Video and audio
Resolution
Resolution	4K	4K
HDR
HDR	HDR10 (better)	None
Video
Video	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	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	HDR10 in Roku's exact developer row; the 2019 UK reviews report no Dolby Vision, HDR10+ or HLG	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	–	Night listening mode adjusts sound levels for consistent volume (Roku launch release)
Performance
Software
Software	Roku OS	Roku OS
Chip details
Chip details	Quad-core processor (Roku announcement); Arm Cortex-A53 and OpenGL ES 2.0 (exact maker developer row)	Arm Cortex-A53 quad-core at 1.2 GHz; OpenGL ES 2.0 (Roku's exact Cooper/4620X developer row)
Memory
Memory	1 GB (Roku's exact Gilbert 4K/3920X developer row)	1 GB (Roku's exact Cooper/4620X developer row)
Software and services
Software and services	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	Roku OS; apps and features vary by region and software version
Connections
Wi-Fi
Wi-Fi	Wi-Fi 4	Wi-Fi 5
Ethernet
Ethernet	No	No
Voice remote
Voice remote	No	No
Ports
Ports	HDMI output, micro-USB power and reset; no Ethernet, USB media or memory-card slot	HDMI output and power input only; no Ethernet or microSD card slot (The Gadgeteer)
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Single-band 802.11b/g/n; no 5 GHz support (Tech Advisor)	Dual-band 802.11ac MIMO (Roku launch release)
Remote
Remote	Standard infrared remote with channel shortcuts; no microphone, television power/volume controls or headphone socket. Premiere+ 3921 was the voice-remote bundle	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	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	Player, infrared remote, two AAA batteries, HDMI cable, USB power cable, power adaptor and removable adhesive strip (UK quick-start guide)	–