Roku Ultra (2024) vs Roku XDS (2100)

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Ultra (2024) compared with XDS (2100)

	RokuUltra (2024)	RokuXDS (2100)
Overview
Released
Released	September 2024	September 2010
Video and audio
Resolution
Resolution	4K (better)	1080p
HDR
HDR	Dolby Vision, HDR10+, HDR10 and HLG (better)	None
Dolby Atmos
Dolby Atmos	Yes	–
Video
Video	Up to 2160p at 60 fps (3840 × 2160) with up-scaling from 720p and 1080p; HDMI Quick Media Switching (QMS); AV1, HEVC, H.264 and VP9 from USB	Up to 1080p through HDMI; component supports 720p/480p and needs Roku's separately sold cable, while composite carries 480i (Missing Remote)
HDR
HDR	Dolby Vision at 60 fps, HDR10, HDR10+ and HLG	–
Audio
Audio	Dolby Atmos decode via HDMI; DTS Digital Surround pass-through; AC-4 and DD+ with Atmos, FLAC, ALAC and other formats from USB	Stereo analogue audio; digital stereo or 5.1 passthrough through HDMI and optical, dependent on media and service (Missing Remote)
Performance
Software
Software	Roku OS	Roku OS
Chip details
Chip details	Quad-core Arm Cortex-A55; Roku quotes over 30% faster than other Roku players	MIPS at 400 MHz in Roku's exact Pico/2100X developer row; Nexperia PNX8935E1 identified by SmallNetBuilder's teardown
Memory
Memory	2 GB	256 MB in Roku's exact Pico/2100X developer row
Storage
Storage	–	SmallNetBuilder identifies 256 MB physical flash, used for system software rather than published user storage. USB playback was unfinished at launch; official availability was postponed from November to January 2011 in Missing Remote's December test
Software and services
Software and services	–	Roku lists OS 3.1 as the last compatible version for 2100X. Its current developer table labels this row XD, while the exact-model contemporary reviews identify 2100X as XDS. Channels and service support vary with region and software
Connections
Wi-Fi
Wi-Fi	Wi-Fi 6	Wi-Fi 4
Ethernet
Ethernet	Yes	Yes
Voice remote
Voice remote	Yes	No
Ports
Ports	HDMI 2.1b; USB 3.0; 10/100 Ethernet; power	HDMI, component video connector, composite video and stereo RCA audio, optical digital audio, 10/100 Ethernet, USB 2.0 media port and power (Missing Remote)
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	802.11ax dual-band MIMO Wi-Fi 6 (2.4 GHz and 5 GHz); Bluetooth audio streaming	Dual-band 802.11n, compatible with b/g; 2.4 and 5 GHz networks independently verified by SmallNetBuilder
Smart home
Smart home	Works with Roku Smart Home, Apple AirPlay and HomeKit, Google Home and Alexa	–
Remote
Remote	Roku Voice Remote Pro (2nd edition) with hands-free voice, backlit buttons, TV power and volume, Quick Launch and Live TV Guide buttons, lost-remote finder; rechargeable over USB-C	Original infrared Enhanced remote with Back, Options and Instant Replay; no microphone, headphone socket or television controls
Design
Type
Type	Box	Box
Power
Power	12 V, 1.5 A power adaptor; about 4.5 W when streaming 4K	–
Size
Size	124.4 × 127.0 × 25.4 mm; 167.2 g	4.9 × 4.9 × 1.2 inches, width × depth × height (Missing Remote)
In the box
In the box	Roku Ultra, Roku Voice Remote Pro (2nd edition), USB-C charging cable for the remote, Premium High Speed HDMI cable, power adaptor	Player, infrared remote, two AAA batteries, composite/stereo cable and mains power adaptor. HDMI and component cables sold separately (Missing Remote and SmallNetBuilder)