
Amazon Fire TV Cube
Score: 83/100
Roku Ultra LT
Score: 85/100Rankings

The Roku Ultra LT (2023) is a compact 4K HDR streaming player powered by a quad-core 1.5 GHz processor and offers Dolby Vision support. It trades off a USB port and occasional Wi-Fi reliability for a lower price and Ethernet stability. Ideal for budget-conscious 4K TV owners seeking premium picture quality in a small form factor.

The Amazon Fire TV Cube is a hands-free 4K streaming device with a powerful octa-core CPU and full HDR/Dolby Atmos support. Its bulkier form factor, lack of gaming-focused features, and ad-laden UI are notable trade-offs. Ideal for Alexa-centric households that value voice control and HDMI switching.
| Attribute | ![]() | ![]() |
|---|---|---|
2 GBbest | 2 GBbest | |
16 GBbest | — | |
60 Hzbest | 60 Hzbest | |
0.1 Gbpsbest | 0.1 Gbpsbest | |
| ↓ lower better | 513 g | 167 gbest |
1 yearsbest | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Software(1) | ||
Operating System | Fire OS 7 | Roku OS |
Audio(1) | ||
Supported Audio Formats | Dolby Atmos, Dolby Audio/MAT, DTS, DTS-HD, AAC-LC, AC3, eAC3, FLAC, MP3, PCM/Wave, Vorbis | Dolby Atmos |
Performance(1) | ||
Processor | Octa-core 2.0 GHz | Quad-core 1.5 GHz ARM Cortex A55/A53 |
Display(1) | ||
Maximum Video Resolution | 4K | 3840x2160 |
Connectivity(2) | ||
Wi‑Fi Standard | Wi‑Fi 6E | 802.11ac |
HDMI Version | 2.1 | HDMI 2.0 |
Controls(1) | ||
Remote Type | Alexa Voice Remote | Voice Remote with Private Listening |
Build & Design(2) | ||
Device Weight (g) | 513 g | 167 g |
Device Dimensions (H×W×D) (mm) | 77×86×86 mm mm | 124.4x25.4x127 mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the Fire TV Cube for its powerful octa-core CPU, comprehensive HDR and Dolby Atmos support, and the unique hands-free Alexa with HDMI input that simplifies switching between streaming and live sources. However, they note the mediocre SDR upscaling, lack of gaming-focused features like VRR/ALLM, and a bulkier form factor compared to slimmer competitors.
Everyday users consistently highlight the convenience of hands-free Alexa, rapid app launches, and excellent 4K/Dolby Vision picture quality, while expressing frustration over intrusive ads, occasional voice-recognition hiccups, and sub-par upscaling of non-4K content.

“Fast app loading, vivid colors, easy voice control.”




Professional reviewers commend the Ultra LT for delivering a full-size Roku Ultra experience in a smaller, cheaper package, especially noting its solid 4K 60 fps performance, Dolby Vision support, and Ethernet stability. However, they flag the missing USB port and limited GPU details as notable compromises.
Everyday users consistently highlight the device's sharp 4K picture, fast UI, and convenient voice remote with headphones, while recurring complaints focus on the lack of USB connectivity and occasional Wi-Fi reliability issues.