Roku Ultra
Score: 83/100
RockTek GB1
Score: 78/100Rankings
The Roku Ultra is Roku's flagship 4K streaming player offering Dolby Vision, HDR10+, Dolby Atmos and both Wi-Fi 6 and Ethernet for rock-solid connectivity. Its premium price and bulkier form factor may deter budget-focused users. It excels for home-theater enthusiasts who want top-tier audio-video performance and reliable wired streaming.
The RockTek GB1 is a Google-certified 4K streaming dongle that delivers Dolby Vision and Dolby Atmos in an ultra-compact form factor. It needs a USB-C hub for full HDR output and can run hot under heavy use, and its storage is limited. Best for minimalists and travelers who want a pocket-sized Google TV experience.
| Attribute | | |
|---|---|---|
8,294,400 pixelsbest | 8,294,400 pixelsbest | |
60 Hzbest | 60 Hzbest | |
2 GBbest | 2 GBbest | |
| ↓ lower better | 0.167 kgbest | 0.259 kg |
| ↓ lower better | 4.5 Wbest | — |
1 countbest | 1 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Audio(1) | ||
Supported Audio Formats | AAC, MP3, WMA, FLAC, AC3, DTS, ALAC | Dolby Atmos, Dolby Digital Plus, Dolby Surround |
Connectivity(1) | ||
Bluetooth Version | true | Bluetooth |
Performance(2) | ||
CPU | Quad-core ARM Cortex A55 | Realtek RTD1315C |
GPU | OpenGL ES 2.0 | ARM Mali-G57 |
Build & Design(2) | ||
Weight (kg) | 0.167 kg | 0.259 kg |
Dimensions (H×W×D) (mm) | 124.46x25.4x127 mm | 70x15x70 mm |
Features(1) | ||
Voice Assistant | false | true |
Ports(1) | ||
HDMI Version | 2.0a | 2.1 |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors consistently commend the Roku Ultra for its 30% faster processor, Wi-Fi 6 connectivity, and premium audiovisual support such as Dolby Vision and Dolby Atmos. They also highlight the feature-rich rechargeable Voice Remote Pro and the reliability of its wired Ethernet and local media playback options, positioning it as the most capable Roku device for high-end home-theater setups.
Everyday users praise the device's lightweight design, fast and responsive interface, and the convenience of the hands-free remote with a lost-finder. Stable streaming via Wi-Fi 6 or Ethernet and the ability to play local media are also frequently mentioned, while the higher price and lack of deep smart-home integration are noted as minor drawbacks.
Professional reviewers commend the GB1 as a high-performance Android TV mini box that delivers stunning 4K HDR with Dolby Vision and Dolby Atmos, thanks to its Realtek RTD1315C chipset and Mali-G57 GPU. They highlight its future-proof codec support (including AV1) and ultra-compact design, while noting the need for a USB-C hub for full HDR output and occasional heating during intensive gaming.
Everyday users praise the seamless Google Assistant voice control, pocketable size, and reliable 4K streaming on popular services, but commonly complain about the requirement for a USB-C hub, heating under load, limited internal storage, and the basic plastic build.
“maximum performance, wired”
“very light”
