Roku Streaming Stick (2025) vs Roku Ultra (4800)

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

Better figure, where one is clearly better

Streaming Stick (2025) compared with Ultra (4800)
RokuStreaming Stick (2025)RokuUltra (4800)
Overview
ReleasedJune 2025October 2020
Video and audio
Resolution1080p4K (better)
HDRNoneHDR10, Dolby Vision and HLG (better)
Dolby Atmos–Yes
VideoUp to 1080p (1920 × 1080) with up-scaling from 720pUp to 4K at 60 fps; Roku's model-4800 guide specifies an HDCP 2.2 HDMI connection for 4K
HDR–Roku's current Benjamin/4800X developer row lists HDR10, Dolby Vision and HLG. An older model-4800 support document also claims HDR10+, which the developer row omits; HDR10+ is left out of the main field pending reconciliation
AudioDigital stereo over HDMI; DTS Digital Surround and Dolby-encoded audio pass-through over HDMI (Roku doesn't list Dolby Atmos)Dolby Atmos with compatible content and sound system; TechRadar lists AAC, MP3, WMA, FLAC, PCM, AC3/EAC3, DTS and ALAC support
Performance
SoftwareRoku OSRoku OS
Chip detailsArm Cortex-A55Quad-core processor (Roku launch announcement); Roku's Benjamin/4800X developer row identifies Arm Cortex-A55
Memory512 MB2 GB (Roku's Benjamin/4800X developer row)
Software and services–Roku OS; OS 9.4 was announced alongside the player. AirPlay 2 and HomeKit were added after launch, as confirmed in Tom's Guide's review; apps and features vary by country and software version
Connections
Wi-FiDual-band Wi-FiWi-Fi 5
EthernetNoYes
Voice remoteYesYes
PortsBuilt-in HDMI; USB-C for powerHDMI, USB, Ethernet and power input (model-4800 Quick Start Guide); no microSD slot (both reviews)
Wi-Fi and BluetoothDual-band Wi-Fi (2.4 GHz and 5 GHz)Dual-band 802.11ac (TechRadar); Bluetooth support and up to 50% greater wireless range than the prior model (Roku's launch claim)
Smart homeWorks with Apple AirPlay and HomeKit, Google Home and AlexaControllable through compatible Amazon Alexa and Google Assistant devices; AirPlay 2 and HomeKit support with updated software
RemoteVoice remote with TV power, volume and mute buttons; two pre-installed AAA batteriesOriginal voice remote has TV power, volume and mute, headphone jack, two personal shortcuts and lost-remote finder; two AA batteries. Later rechargeable-remote bundles are not separate player hardware here
Design
TypeStickBox
Power5 V, 1 A; about 2.2 W typical when streamingSupplied mains power adaptor
Size3.7 × 0.80 × 0.45 in; 26.0 g4.9 × 4.9 × 0.9 in (Tom's Guide)
In the boxRoku Streaming Stick, voice remote, two AAA batteries, USB-C to USB-A power cableUltra player, voice remote, headphones, two AA batteries, Premium High Speed HDMI cable and power adaptor

More comparisons