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The Chromecast with Google TV costs $99-$109. The Walmart onn 4K Streaming Box costs $19-$29. Both run Google TV (Android TV-based). Both have Google Assistant. Both receive Google Cast. The $80 gap between two devices on the same platform raises a natural question: is the Chromecast worth 4-5x the price of the onn?
Quick Comparison
Chromecast with Google TV vs onn 4K Streaming Box 2026
| Feature | Chromecast with Google TVGoogle's Flagship Dongle | onn 4K Streaming BoxBest Budget Google TV |
|---|---|---|
| 4K HDR | Dolby Vision + HDR10 | HDR10 only |
| Dolby Atmos | Yes | No |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Platform | Google TV | Google TV |
| Google Cast | Yes | Yes |
| Google Assistant | Yes | Yes |
| Processor performance | Better | Budget — adequate |
| Build quality | Premium | Budget |
| Price | ~$99-$109 | $19-$29 |
| Buy Now | [VERIFY: ~$99-$109] → | [VERIFY: ~$19-$29] → |
Same Platform, Real Hardware Differences
Since both run Google TV and both have Google Assistant and Google Cast, the comparison is primarily about hardware — what you get for the extra $80.
Dolby Vision: The Chromecast supports Dolby Vision HDR; the onn supports HDR10 only. On a Dolby Vision-capable TV, this is visible in tone mapping accuracy and highlight rendering.
Dolby Atmos passthrough: The Chromecast passes Dolby Atmos to external soundbars and AV receivers; the onn does not.
Performance: The Chromecast's processor handles the Google TV interface more fluidly than the onn's budget chip. The onn is adequate but slower.
Wi-Fi 6: The Chromecast has a faster wireless radio.
For Casual Streaming: onn Is Surprisingly Sufficient
For apps-only streaming — Netflix, YouTube, Disney+, Max — the onn's performance is adequate. It loads major streaming apps and plays 4K content. For a secondary TV or budget household, the onn delivers the essentials.
The $80 difference is justified primarily by Dolby Vision, Dolby Atmos, and smoother performance — meaningful for living room home theater setups, less important for casual viewing.
Our Picks
Google's Flagship Dongle
Chromecast with Google TV 4K
[VERIFY: current price]
Google's premium streaming dongle with Dolby Vision, Dolby Atmos, Wi-Fi 6, and smooth performance.
Pros
- Dolby Vision — better HDR on compatible TVs
- Dolby Atmos passthrough for soundbars
- Wi-Fi 6
- Smoother performance
- Same Google ecosystem as onn
Cons
- $80 more than onn for same Google platform
- Ethernet requires adapter
Best Budget Google TV
onn 4K Streaming Box
[VERIFY: current price]
Walmart's budget Google TV streaming box. Same Google TV platform as Chromecast, Google Cast and Assistant included, at $19-$29.
Pros
- $19-$29 — fraction of Chromecast price
- Google TV, Google Cast, Google Assistant
- All major streaming apps
- 4K HDR10
Cons
- No Dolby Vision
- No Dolby Atmos passthrough
- Slower processor
- Wi-Fi 5 only
Bottom Line
Buy Chromecast with Google TV for a living room setup where Dolby Vision and Dolby Atmos matter, or where the $80 investment in a faster, more polished device is justified. Buy onn 4K Streaming Box for secondary TVs, budget builds, or any situation where the core Google TV experience at $19-$29 serves the need.
Also see: Chromecast with Google TV Review , onn 4K Streaming Box Review , and Roku Ultra vs Chromecast with Google TV .