Roku 4 (4400) vs Roku Premiere (3920)

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

4 (4400) compared with Premiere (3920)

	Roku4 (4400)	RokuPremiere (3920)
Overview
Released
Released	October 2015	October 2018
Video and audio
Resolution
Resolution	4K	4K
HDR
HDR	None	HDR10 (better)
Video
Video	Up to 4K Ultra HD at 60 fps; HDCP 2.2 required for 4K (Roku launch announcement)	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	No HDR support (TechRadar)	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	Quad-core Arm processor; maker does not identify the processor model or clock rate	Quad-core processor (Roku announcement); Arm Cortex-A53 and OpenGL ES 2.0 (exact maker developer row)
Memory
Memory	1.5 GB (Roku's exact Dallas/4400X developer row)	1 GB (Roku's exact Gilbert 4K/3920X developer row)
Storage
Storage	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	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	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 5	Wi-Fi 4
Ethernet
Ethernet	Yes	No
Voice remote
Voice remote	Yes	No
Ports
Ports	HDMI, optical digital audio, Ethernet, USB media playback, microSD channel-storage slot and power	HDMI output, micro-USB power and reset; no Ethernet, USB media or memory-card slot
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Dual-band 802.11ac MIMO Wi-Fi (Roku launch announcement)	Single-band 802.11b/g/n; no 5 GHz support (Tech Advisor)
Remote
Remote	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)	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 cable and mains adaptor; maker recommends the adaptor if the television's USB port supplies insufficient power
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)	Player, infrared remote, two AAA batteries, HDMI cable, USB power cable, power adaptor and removable adhesive strip (UK quick-start guide)