Roku 4 (4400) vs Roku Express (3930)

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

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4 (4400) compared with Express (3930)

	Roku4 (4400)	RokuExpress (3930)
Overview
Released
Released	October 2015	October 2019
Video and audio
Resolution
Resolution	4K (better)	1080p
HDR
HDR	None	None
Video
Video	Up to 4K Ultra HD at 60 fps; HDCP 2.2 required for 4K (Roku launch announcement)	Up to 1080p Full HD; no 4K or HDR (exact Nemo/3930X maker developer row)
HDR
HDR	No HDR support (TechRadar)	–
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	Arm Cortex-A53; OpenGL ES 2.0 (Roku's exact Nemo/3930X developer row)
Memory
Memory	1.5 GB (Roku's exact Dallas/4400X developer row)	512 MB (Roku's exact Nemo/3930X 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; apps vary by region and software version. Maker September 2019 release gives October retail availability, rather than the announcement day
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 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 Wi-Fi (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; needs line of sight. No voice microphone, television power/volume controls or headphone socket. Express+ 3931 adds 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
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)	European package includes player, infrared remote, two AAA batteries, HDMI cable, USB power cable and removable adhesive strip