Roku 2 XS (3100) vs Roku Premiere (3920)

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2 XS (3100) compared with Premiere (3920)

	Roku2 XS (3100)	RokuPremiere (3920)
Overview
Released
Released	July 2011	October 2018
Video and audio
Resolution
Resolution	1080p	4K (better)
HDR
HDR	None	HDR10 (better)
Video
Video	Up to 1080p over HDMI; supplied 3.5 mm-to-RCA cable carries standard-definition composite video and analogue stereo	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
Audio
Audio	Dolby Digital Plus 5.1 passthrough supported by the launch Netflix implementation; surround availability depends on the service and receiver	–
Performance
Software
Software	Roku OS	Roku OS
Chip details
Chip details	ARM11 at 600 MHz (Roku's exact Giga/3100X developer row)	Quad-core processor (Roku announcement); Arm Cortex-A53 and OpenGL ES 2.0 (exact maker developer row)
Memory
Memory	256 MB (Roku's exact Giga/3100X developer row)	1 GB (Roku's exact Gilbert 4K/3920X developer row)
Storage
Storage	microSD expands app/game storage, not removable-media playback; supported local files play through USB	–
Software and services
Software and services	Roku OS; exact 3100X maker row lists this legacy device's last compatible version as 9.1. Apps and services vary 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 4	Wi-Fi 4
Ethernet
Ethernet	Yes	No
Voice remote
Voice remote	No	No
Ports
Ports	HDMI, Ethernet, USB media, microSD channel-storage slot, 3.5 mm composite/stereo A/V, power and reset	HDMI output, micro-USB power and reset; no Ethernet, USB media or memory-card slot
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	802.11n Wi-Fi and 100 Mbit Ethernet (Expert Reviews); Bluetooth for the gaming remote (Roku launch release)	Single-band 802.11b/g/n; no 5 GHz support (Tech Advisor)
Remote
Remote	Original Bluetooth enhanced remote with A/B game buttons, motion sensing and adjustable wrist strap; no microphone, headphone socket or television power controls	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	Less than 2 W stated in the original Roku 2 family announcement; mains power adapter included	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, enhanced remote, two AA batteries, custom composite/stereo A/V cable and power adapter; HDMI and Ethernet cables not included	Player, infrared remote, two AAA batteries, HDMI cable, USB power cable, power adaptor and removable adhesive strip (UK quick-start guide)