Roku Ultra (2024) vs Amazon Fire TV Cube (3rd Gen)
Which should you buy? · Updated June 2026
Short answer: If you're choosing between the Roku Ultra (2024) and the Amazon Fire TV Cube (3rd Gen), the Roku Ultra (2024) scores higher on our bench (4.5 vs 4.3), so it's our overall pick of the two. The Roku Ultra (2024) is the value pick: it is $40 cheaper and still the higher-rated box. Here's how they compare spec by spec.
| Roku Ultra (2024) | Amazon Fire TV Cube (3rd Gen) | |
|---|---|---|
| Our score | 4.5 | 4.3 |
| Price | $99 | $139 |
| Released | 2024 | 2022 |
| Chipset | Quad-core | Octa-core 2.0 GHz |
| RAM | 2 GB | 2 GB |
| Storage | 8 GB | 16 GB |
| OS | Roku OS | Fire OS |
| Max output | 4K @ 60fps | 4K @ 60fps |
| HDR | Dolby Vision, HDR10+, HLG | Dolby Vision, HDR10+, HLG |
| Audio | Dolby Atmos, DTS | Dolby Atmos |
| Connectivity | Wi-Fi 6, Bluetooth, Ethernet | Wi-Fi 6E, Bluetooth, Ethernet |
| Ports | HDMI 2.1, Gigabit Ethernet, USB-A | HDMI 2.1 out, HDMI in, Ethernet, USB-A |
| Remote | Roku Voice Remote Pro (2nd gen) | Alexa Voice Remote Enhanced |
Where the Roku Ultra (2024) wins
- Price: $99
- Released: 2024
- Audio: Dolby Atmos, DTS
Where the Amazon Fire TV Cube (3rd Gen) wins
- Storage: 16 GB
The Roku Ultra (2024) is the better all-rounder at 4.5/5. If you're watching the budget, the Roku Ultra (2024) saves you $40 and covers the essentials. Read the full Roku Ultra (2024) review or Amazon Fire TV Cube (3rd Gen) review for the hands-on detail, or open them in the interactive comparison.
Roku Ultra (2024) vs Amazon Fire TV Cube (3rd Gen): FAQ
Which is better, the Roku Ultra (2024) or the Amazon Fire TV Cube (3rd Gen)?
The Roku Ultra (2024) rates higher (4.5 vs 4.3/5) and is our overall pick.
Is the Amazon Fire TV Cube (3rd Gen) worth the extra $40 over the Roku Ultra (2024)?
Only for its specific advantages (storage): on our bench the cheaper Roku Ultra (2024) actually rates higher. Otherwise the Roku Ultra (2024) covers the basics for less.