Roku 2 XD (3050) vs Roku Premiere (3920)

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2 XD (3050) compared with Premiere (3920)

	Roku2 XD (3050)	RokuPremiere (3920)
Overview
Released
Released	July 2011	October 2018
Video and audio
Resolution
Resolution	1080p	4K (better)
HDR
HDR	None	HDR10 (better)
Video
Video	1080p, 720p or 480p through HDMI; 480i composite video through the included custom A/V cable (The Gadgeteer)	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	Analogue stereo through the A/V cable; HDMI digital audio with 5.1 passthrough where available. The maker's original Netflix implementation supported Dolby Digital Plus	–
Performance
Software
Software	Roku OS	Roku OS
Chip details
Chip details	ARM11 at 600 MHz in Roku's exact Giga/3050X developer row	Quad-core processor (Roku announcement); Arm Cortex-A53 and OpenGL ES 2.0 (exact maker developer row)
Memory
Memory	256 MB in Roku's exact 3050X developer row	1 GB (Roku's exact Gilbert 4K/3920X developer row)
Storage
Storage	microSD expands storage for Roku channels and games, rather than playing personal files from the card; no published aggregate user capacity	–
Software and services
Software and services	Roku lists OS 9.1 as the last compatible version for 3050X. Channels and services depend on region and software; this is the 2011 Roku 2 XD rather than the original 2010 XD	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, microSD channel-storage slot, 3.5 mm composite/stereo A/V, power and reset; no Ethernet or USB media port	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, compatible with b/g; Bluetooth 3.0 for the optional gaming remote (The Gadgeteer)	Single-band 802.11b/g/n; no 5 GHz support (Tech Advisor)
Remote
Remote	Original standard infrared remote with Back, Home, Options and Instant Replay; no microphone, headphone socket or motion control. Bluetooth gaming remote sold separately	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 maker announcement; 5.2 V / 1.0 A power adaptor identified in The Gadgeteer's XD test	USB power cable and mains adaptor; maker recommends the adaptor if the television's USB port supplies insufficient power
Size
Size	3.3 × 3.3 × 0.9 inches (The Gadgeteer)	–
In the box
In the box	Player, infrared remote, two AAA batteries, custom RCA-to-3.5 mm composite/stereo cable, mains power adaptor and setup guide; HDMI cable and microSD card sold separately	Player, infrared remote, two AAA batteries, HDMI cable, USB power cable, power adaptor and removable adhesive strip (UK quick-start guide)