Roku 4 (4400) vs Roku Ultra (2024)

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

Better figure, where one is clearly better

4 (4400) compared with Ultra (2024)
Roku4 (4400)RokuUltra (2024)
Overview
ReleasedOctober 2015September 2024
Video and audio
Resolution4K4K
HDRNoneDolby Vision, HDR10+, HDR10 and HLG (better)
Dolby Atmos–Yes
VideoUp to 4K Ultra HD at 60 fps; HDCP 2.2 required for 4K (Roku launch announcement)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
HDRNo HDR support (TechRadar)Dolby Vision at 60 fps, HDR10, HDR10+ and HLG
Audio–Dolby Atmos decode via HDMI; DTS Digital Surround pass-through; AC-4 and DD+ with Atmos, FLAC, ALAC and other formats from USB
Performance
SoftwareRoku OSRoku OS
Chip detailsQuad-core Arm processor; maker does not identify the processor model or clock rateQuad-core Arm Cortex-A55; Roku quotes over 30% faster than other Roku players
Memory1.5 GB (Roku's exact Dallas/4400X developer row)2 GB
StoragemicroSD expands channel/app storage; USB supports local media playback. User-accessible internal capacity is not published in the maker sources used–
Software and servicesLaunched 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–
Connections
Wi-FiWi-Fi 5Wi-Fi 6
EthernetYesYes
Voice remoteYesYes
PortsHDMI, optical digital audio, Ethernet, USB media playback, microSD channel-storage slot and powerHDMI 2.1b; USB 3.0; 10/100 Ethernet; power
Wi-Fi and BluetoothDual-band 802.11ac MIMO Wi-Fi (Roku launch announcement)802.11ax dual-band MIMO Wi-Fi 6 (2.4 GHz and 5 GHz); Bluetooth audio streaming
Smart home–Works with Roku Smart Home, Apple AirPlay and HomeKit, Google Home and Alexa
RemoteOriginal 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)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
Design
TypeBoxBox
Power–12 V, 1.5 A power adaptor; about 4.5 W when streaming 4K
Size16.5 × 16.5 × 2 cm, width × depth × height (TechRadar)124.4 × 127.0 × 25.4 mm; 167.2 g
In the boxPlayer, enhanced remote and headphones (Roku launch announcement)Roku Ultra, Roku Voice Remote Pro (2nd edition), USB-C charging cable for the remote, Premium High Speed HDMI cable, power adaptor

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