Roku Express (3930) vs Roku Premiere (3920)

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Express (3930) compared with Premiere (3920)

	RokuExpress (3930)	RokuPremiere (3920)
Overview
Released
Released	October 2019	October 2018
Video and audio
Resolution
Resolution	1080p	4K (better)
HDR
HDR	None	HDR10 (better)
Video
Video	Up to 1080p Full HD; no 4K or HDR (exact Nemo/3930X maker developer row)	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
HDR
HDR	–	HDR10 in Roku's exact developer row; the 2019 UK reviews report no Dolby Vision, HDR10+ or HLG
Performance
Software
Software	Roku OS	Roku OS
Chip details
Chip details	Arm Cortex-A53; OpenGL ES 2.0 (Roku's exact Nemo/3930X developer row)	Quad-core processor (Roku announcement); Arm Cortex-A53 and OpenGL ES 2.0 (exact maker developer row)
Memory
Memory	512 MB (Roku's exact Nemo/3930X developer row)	1 GB (Roku's exact Gilbert 4K/3920X developer row)
Software and services
Software and services	Roku OS; apps vary by region and software version. Maker September 2019 release gives October retail availability, rather than the announcement day	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
Connections
Wi-Fi
Wi-Fi	Wi-Fi 4	Wi-Fi 4
Ethernet
Ethernet	No	No
Voice remote
Voice remote	No	No
Ports
Ports	HDMI output, micro-USB power and reset; no Ethernet, USB media or card slot	HDMI output, micro-USB power and reset; no Ethernet, USB media or memory-card slot
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Single-band 802.11b/g/n Wi-Fi (Tech Advisor)	Single-band 802.11b/g/n; no 5 GHz support (Tech Advisor)
Remote
Remote	Standard infrared remote with channel shortcuts; needs line of sight. No voice microphone, television power/volume controls or headphone socket. Express+ 3931 adds the voice-remote bundle	Standard infrared remote with channel shortcuts; no microphone, television power/volume controls or headphone socket. Premiere+ 3921 was the voice-remote bundle
Design
Type
Type	Box	Box
Power
Power	USB power. The European 3930EU guide excludes a mains adaptor; the original US launch package includes one	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	European package includes player, infrared remote, two AAA batteries, HDMI cable, USB power cable and removable adhesive strip	Player, infrared remote, two AAA batteries, HDMI cable, USB power cable, power adaptor and removable adhesive strip (UK quick-start guide)