Roku 4850R
The Roku Ultra runs 30% faster than any other Roku player, with Wi-Fi 6 and Ethernet for smooth 4K streaming. It supports Dolby Vision, HDR10+, and Dolby Atmos, plus a rechargeable Voice Remote Pro with backlit buttons and a lost remote finder. Best for cord-cutters who want a fast, user-friendly streamer with strong smart home integration, though gaming is its weakest area.
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Snapshot
The 30-Second Version
The Roku Ultra 4850R is a fast, reliable 4K streaming player with a fantastic rechargeable backlit remote and full HDR support. It's not a gaming device and the picture quality scores are middling, but for everyday streaming it's one of the best options out there. Buy it if you want speed and simplicity, skip it if you need gaming or top-tier picture specs.
Pros & Cons
Pros
- Blazing fast interface and app launches 94th
- Rechargeable backlit remote with lost remote finder 80th
- Dolby Vision, HDR10+, and Dolby Atmos support 75th
- Hands-free voice control with "Hey Roku"
- USB port for external storage and local media
Cons
- Picture quality scores below average in our database
- Gaming performance is a weak spot
- Connectivity options are limited compared to some rivals
- No significant user complaints, but specs don't wow on paper
What owners think
The Word on the Street
The proof
Performance
Roku claims the Ultra is 30% faster than any other Roku player, and in practice that translates to apps opening almost instantly and zero lag when you're bouncing between Netflix, YouTube, and the home screen. The interface feels snappy in a way cheaper streaming sticks just don't. We're talking about the kind of responsiveness where you stop thinking about the device and just watch stuff.
On the picture side, you get 4K with Dolby Vision, HDR10, HDR10+, and HLG support. That's a solid HDR lineup, though our database puts the picture quality around the 36th percentile compared to other streaming devices, which is more about the category being crowded with capable hardware than any real weakness here. The audio side supports Dolby Atmos passthrough, so if you've got a soundbar or receiver that handles Atmos, you'll get the full spatial audio experience. Connectivity includes Wi-Fi 6, Bluetooth, and Ethernet, which is nice if your router is in another room and you want a rock-solid wired connection.
Specifications
Full Specifications
Display
| Resolution | 4K |
HDR
| HDR Formats | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) |
| Dolby Vision | Yes |
| HDR10+ | Yes |
| HLG | Yes |
Smart TV
| Platform | Roku TV |
| Voice Assistant | Amazon Alexa, Google Home |
| Screen Mirroring | Yes |
| Works With | Apple Home, Amazon Alexa, Google Home |
Audio
| Dolby Atmos | Yes |
| Surround Sound | Dolby Atmos |
Connectivity
| Wi-Fi | Wi-Fi 6 |
| Bluetooth | ✓ |
| Ethernet | Yes |
vs Competition
Stacked against the competition, the Roku Ultra 4850R holds its own where it matters most: everyday use. The TCL S5-Series 43S551G and Hisense U6 Series 65U6N are actually TVs, not streaming boxes, so they're solving a different problem entirely. If you're comparing streaming devices specifically, the Samsung U8000F and Toshiba M450 QLED are also TVs, which means the Roku Ultra's real competition is other dedicated streamers like the Apple TV 4K or Amazon Fire TV Cube.
Against the Apple TV 4K, the Roku Ultra is cheaper and has a simpler interface, but Apple's box has better gaming support and tighter ecosystem integration if you're deep in the Apple world. Against the Fire TV Cube, the Roku wins on interface cleanliness and the lack of aggressive ads, though Amazon's device has better smart home integration. The Insignia F50 Series is a budget TV, not a streamer, so it's not really in the same conversation. For pure streaming performance and ease of use, the Roku Ultra is the one we'd recommend to most people who just want their shows to work without fuss.
| Spec | Roku 4850R | LG OLED evo OLED55C5PUA | Samsung QN990F | Sony BRAVIA 9 K85XR90 | TCL QM8K Series 75QM8K | Hisense U8 Series 65U8QG |
|---|---|---|---|---|---|---|
| Screen Size | - | 55 | 75 | 85 | 75 | 65 |
| Resolution | 4K | 3840x2160 | 7680x4320 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | - | OLED | Mini-LED | Mini-LED | Mini-LED | Mini-LED |
| Refresh Rate | - | 120 | 120 | 120 | 144 | 165 |
| Hdr | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR10 | HDR10, HDR10+, HLG | HDR10, HLG, Dolby Vision | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) |
| Smart Platform | Roku TV | webOS | Tizen | Google TV | Google TV | Google TV |
| Dolby Vision | true | true | false | true | true | true |
| Dolby Atmos | true | true | true | true | true | true |
| Hdmi Version | - | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| Product | HDR | Audio | Smart | Gaming | Display | Connectivity | Social Proof | Picture Quality |
|---|---|---|---|---|---|---|---|---|
| Roku 4850R | 75 | 59.8 | 80.2 | 16.6 | 27 | 28.5 | 93.7 | 36 |
| LG OLED evo OLED55C5PUA Compare | 91.7 | 94.2 | 89.9 | 98.1 | 87.2 | 98.7 | 93.7 | 93.4 |
| Samsung QN990F Compare | 82.8 | 99.8 | 93.2 | 88.3 | 99.5 | 99.9 | 99.6 | 84.2 |
| Sony BRAVIA 9 K85XR90 Compare | 86.7 | 97.3 | 91.5 | 77.9 | 94.5 | 92.9 | 87.3 | 78.5 |
| TCL QM8K Series 75QM8K Compare | 90.5 | 92.8 | 98.9 | 93.3 | 88.6 | 92.9 | 87.3 | 99.3 |
| Hisense U8 Series 65U8QG Compare | 90.5 | 97.6 | 95.7 | 96.3 | 83.2 | 86.2 | 75.7 | 99.4 |
Price
Value & Pricing
Pricing on the Roku Ultra 4850R is a bit of a rollercoaster depending on where you shop. In the US, we're seeing it listed between USD 79 and USD 100 across two vendors, so it's worth checking both before you commit. The lower end of that range is a genuinely good deal for what you get, especially with the rechargeable remote included. At the higher end, you're still getting a solid device, but the value proposition gets a little shakier when you consider what else is out there. If you're in the UK or Europe, expect to pay GBP 149 or EUR 237, which feels steeper, but that's the reality of regional pricing. For cord-cutters, the math works out fast when you factor in the monthly cable bill you're ditching.
Price History
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Overview
The Roku Ultra 4850R is Roku's top-of-the-line 4K streaming player, and it's the one you buy when you're done messing around with sluggish sticks and want something that actually keeps up with your thumbs. It sits in that sweet spot where you're paying for speed and convenience features rather than raw picture specs, and honestly, that's the right trade for most people. The headline feature is the included Voice Remote Pro, which is rechargeable, backlit, and has a built-in finder so it stops vanishing into couch cushions forever.
If you're searching for a 4K streaming device that supports Dolby Vision, HDR10+, and Dolby Atmos, this box checks all those boxes. It handles the full HDR alphabet soup, and the interface is the same clean Roku layout people have loved for years. Setup takes about five minutes, and you'll be scrolling through free live TV channels before your popcorn's done.
One thing to know up front: this isn't a gaming machine. If you're hoping to stream games or use it as a mini console, look elsewhere. But for streaming movies, shows, and live TV, it's one of the most reliable boxes you can plug into your TV.
Common Questions
Q: Is the Roku Ultra 4850R good for 4K streaming?
Yes, the Roku Ultra 4850R supports 4K resolution with Dolby Vision, HDR10, HDR10+, and HLG, so it handles all the major HDR formats for a great 4K streaming experience.
Q: Does the Roku Ultra 4850R support Dolby Atmos?
Yes, it supports Dolby Atmos audio passthrough, so you'll get immersive spatial audio if you have a compatible soundbar or AV receiver.
Q: Can I use the Roku Ultra 4850R for gaming?
Not really. The gaming performance scores in the 17th percentile in our database, so it's fine for casual mobile-style games but not a good choice for serious gaming.
Q: Does the Roku Ultra 4850R come with a rechargeable remote?
Yes, it includes the Roku Voice Remote Pro, which is rechargeable via USB-C, has backlit buttons, supports hands-free voice control, and includes a lost remote finder feature.
Who Should Skip This
Skip the Roku Ultra 4850R if you're looking for a device that can handle gaming, because the gaming performance is genuinely weak at the 17th percentile. If you're deep in the Apple ecosystem and want tight integration with your iPhone, iPad, and Apple services, the Apple TV 4K is a better fit despite the higher price. And if you're on a tight budget, a cheaper Roku stick or a basic Fire TV Stick will get you 80% of the experience for half the money. This is a premium streamer for people who value speed and convenience, not a budget pick or a gaming box.
Verdict
Should you buy the Roku Ultra 4850R? If you want a fast, reliable 4K streaming player with a genuinely great remote and you don't care about gaming, yes. This is the streaming box for people who are tired of their current setup being slow or clunky. The rechargeable backlit remote alone is worth the price of admission if you watch TV in the dark or have a habit of losing remotes.
But if you're looking for a device that can handle casual gaming or you want the absolute best picture quality numbers in our database, this isn't it. The gaming score is a rough 17th percentile, and the picture quality sits below average. For pure streaming though, the Roku Ultra delivers where it counts, and the 4.7-star rating from over 1,200 buyers backs that up. It's the streaming player we'd recommend to our own parents, and that's about as high a compliment as we give.