Roku Express 4K (3940) vs Roku Premiere+ (4630)

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Express 4K (3940) compared with Premiere+ (4630)

	RokuExpress 4K (3940)	RokuPremiere+ (4630)
Overview
Released
Released	May 2021	October 2016
Video and audio
Resolution
Resolution	4K	4K
HDR
HDR	HDR10, HDR10+ and HLG (better)	HDR10
Video
Video	Up to 4K at 60 fps (Roku's exact Marlin/3940X developer row); HDCP 2.2 required for 4K/HDR	4K UHD up to 60 fps; HDCP 2.2 required for protected 4K content (Roku launch release and exact Cooper/4630X developer row). TechRadar's 30 fps specification conflicts with the maker
Audio
Audio	–	Night listening mode adjusts sound levels; remote headphone socket for private listening
HDR
HDR	HDR10, HDR10+ and HLG (Roku's exact Marlin/3940X developer row); no Dolby Vision	–
Performance
Software
Software	Roku OS	Roku OS
Chip details
Chip details	Arm Cortex-A55; OpenGL ES 2.0 (Roku's exact Marlin/3940X developer row)	Arm Cortex-A53 quad-core at 1.2 GHz; OpenGL ES 2.0 (Roku's exact Cooper/4630X developer row)
Memory
Memory	1 GB (Roku's exact Marlin/3940X developer row)	1 GB (Roku's exact Cooper/4630X developer row)
Storage
Storage	Internal storage serves system/channel use; maker sources used do not publish user-accessible capacity	microSD expands channel storage (Roku launch release); not removable-media playback, despite the TechRadar review's description
Software and services
Software and services	Launched with Roku OS 10. App availability varies by region and software version. May 2021 on-sale month is from the exact UK Tech Advisor review; the maker developer table gives only 2021. Cord Busters identifies this model as the UK replacement for Premiere 3920	Roku OS; apps and features vary by region and software version. This is the original 2016 box, not the smaller 2018 Premiere+
Connections
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5
Ethernet
Ethernet	No	Yes
Voice remote
Voice remote	No	No
Ports
Ports	HDMI output, micro-USB power/compatible Ethernet adaptor connection and reset. No built-in Ethernet socket; USB Ethernet adaptor sold separately	HDMI, 10/100 Ethernet, microSD and power input; no optical audio or USB media port (TechRadar)
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Dual-band 802.11ac Wi-Fi (Tech Advisor)	Dual-band 802.11ac MIMO (Roku launch release)
Remote
Remote	Original standard infrared remote with channel shortcuts; no microphone, television power/volume controls or headphone socket. Express 4K+ 3941 includes the voice remote instead	Original point-anywhere remote with headphone socket; no microphone, television power button or lost-remote finder
Design
Type
Type	Box	Box
Power
Power	USB power cable and mains adaptor supplied; use the adaptor if the television USB port provides insufficient power	–
In the box
In the box	Player, infrared remote, batteries, premium high-speed HDMI cable, USB power cable, power adaptor and removable adhesive strip	–