Sony BRAVIA K55XR8B 55"
The 55-inch 4K OLED panel uses the Cognitive Processor XR to precisely control over 8 million self-lit pixels for pure blacks and supports 120Hz VRR gaming. Its Google TV platform integrates AirPlay 2 and Chromecast for unified streaming, while studio-calibrated modes and Dolby Vision/Atmos deliver accurate, cinematic playback. This TV is best for home theater enthusiasts and console gamers who prioritize deep contrast, accurate HDR, and responsive motion handling.
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Resumo
The 30-Second Version
The Sony BRAVIA K55XR8B is a 55-inch OLED with gorgeous pure blacks, 120Hz gaming support, and Google TV built in. Picture quality is stunning in dark rooms, though the software can feel sluggish and some owners report power cycling issues. Prices range from USD 801 to USD 1,500, so shop around. It's a great buy under USD 900 for movie fans and PS5 owners who can overlook the interface quirks.
Pros & Cons
Prós
- Infinite contrast OLED panel delivers pure blacks that LCD TVs can't match 98th
- 120Hz refresh rate with VRR and ALLM makes PS5 gaming feel responsive 92nd
- Google TV interface with Google Assistant is easy to navigate and set up 89th
- Dolby Vision and Dolby Atmos support for a genuinely cinematic experience 79th
- Studio calibrated picture modes for Netflix and Prime Video look accurate out of the box
Contras
- User interface can feel sluggish, especially when switching between apps
- Random power cycling issues reported by a notable minority of owners
- No sleep timer feature, which is a baffling omission for a premium TV
- Picture quality score in the 36th percentile despite the strong OLED panel
- Mediocre performance in bright rooms, so it's not ideal for sun-drenched spaces
O que dizem os donos
The Word on the Street
Como a opinião dos donos mudou ao longo do tempo
ExclusivoCom base em quando os clientes realmente escreveram suas avaliações - para ver se os elogios iniciais se mantiveram.
- Q3 2026100/100
Buyers praised the TV's picture quality, Dolby Vision, and ease of use, with minor sound sync issues quickly resolved.
- Picture quality is clear, detailed, and colorful, with Dolby Vision enhancing movies and games.
- Easy setup and navigation, a notable upgrade from previous TVs.
- Sound bar requires higher volume; initial audio sync issues were fixed by tech support.
- Some initial sound synchronization problems occurred, though resolved promptly.
- Q2 202693/100
Buyers in Q2 2026 overwhelmingly praised the TV's picture quality, colors, and OLED performance, especially in dark rooms. Some noted a sluggish UI and game mode, plus minor setup or remote issues.
- Picture quality is exceptional, with vivid colors, deep blacks, and crisp details, often described as 'amazing' or 'best ever seen'.
- Excellent for dark rooms and gaming, especially with PS5, offering immersive visuals and good integration.
- UI and Google TV integration are user-friendly for some, but others find app switching slow and navigation complicated.
- Game mode is sluggish, and crosshair options are bland or hard to see, impacting gaming experience for some users.
- Q1 202687/100
Buyers in Q1 2026 overwhelmingly praised the Sony Bravia 8B for its excellent picture quality, vibrant colors, and gaming performance with PS5. A few noted issues with streaming app connectivity, sound glitches, and brightness, but overall satisfaction was high.
- Picture quality and color are frequently praised as excellent, vivid, and lifelike, with many noting it's a top-tier OLED.
- Gaming experience with PS5 is highlighted as exceptional, with seamless pairing and next-level visuals.
- Brightness receives mixed feedback: some find it very bright, others say it's low or not great in bright rooms.
- A few reliability issues: one TV turned off/on by itself, another had a temporary sound glitch, and one had streaming app connection drops.
- Q4 202585/100
Buyers praise the excellent picture quality, color, and value for money. Some report defects like power cycling, missing cords, and missing sleep timer.
- Excellent picture quality, color, and black levels, especially for OLED.
- Great value for money and good for gaming with PS5.
- Sound quality is decent but some recommend a soundbar.
- Defects reported: power cycling, missing power cord, no sleep timer.
- Q3 202588/100
Buyers praised the TV's picture quality, colors, and sound, with many noting excellent installation service. A few mentioned minor issues like missing remote features and an unresolved gift certificate credit.
- Picture quality is consistently praised as amazing, with vivid colors and deep blacks.
- Sound quality is good, with full-screen speaker projection noted as a highlight.
- Installation service is professional and knowledgeable, with timely delivery.
- Remote lacks channel jump and numeric keypad; gift certificate credit not applied as promised.
Com base em 207 avaliações de clientes datadas, agrupadas por trimestre civil. A análise por período está em inglês.
As provas
Performance
The picture quality numbers are interesting. The display itself ranks in the 89th percentile, which is strong, but the overall picture quality score lands at just the 36th percentile. That gap tells you something important. The OLED panel is doing exactly what OLED panels do, delivering infinite contrast and deep blacks that make dark scenes look incredible. But the processing and out-of-box tuning aren't blowing away the competition the way Sony's marketing might suggest.
For gaming, the 120Hz refresh rate plus VRR and ALLM support puts this in the 79th percentile. That's solid, not spectacular. You'll get smooth motion in fast-paced games, and the PS5 integration is genuinely excellent according to a lot of owners. The XR OLED Motion technology helps with judder in panning shots, though some purists will want to turn off motion smoothing for film content. The Cognitive Processor XR does a nice job with upscaling lower-resolution content, which matters if you watch a lot of cable or older streaming shows.
Specifications
Full Specifications
Display
| Size | 55" |
| Resolution | 4K |
| Panel Type | OLED |
| Backlight | OLED |
| Aspect Ratio | 16:9 |
| Curved | No |
Picture Quality
| Contrast Ratio | infinite |
| Motion Tech | XR OLED Motion technology |
| Processor | Cognitive Processor XR |
HDR
| HDR Formats | HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision |
| Dolby Vision | Yes |
| HDR10+ | No |
| HLG | Yes |
Gaming
| Refresh Rate | 120 Hz |
| VRR | ✓ |
| ALLM | Yes |
| Game Mode | Yes |
Smart TV
| Platform | Google TV |
| Voice Assistant | Google Assistant |
| Screen Mirroring | Miracast, Apple AirPlay 2 |
| Works With |
Audio
| Dolby Atmos | Yes |
| Surround Sound | Dolby Surround, DTS, DTS Digital Surround, DTS-HD, DTS:X |
| eARC | Yes |
Connectivity
| HDMI Ports | 4 |
| HDMI Version | 2.1 |
| USB Ports | 1 |
| Wi-Fi | ✓ |
| Bluetooth | 5.3 |
| Ethernet | No |
| VESA Mount | 300mm x 300mm |
Power & Size
| Energy Star | No |
| Weight | 17.1 kg / 37.7 lbs |
vs Competition
The LG C5 OLED is the most direct competitor here, and it's a tough matchup. LG's OLED panels are widely considered the benchmark, and the C5 typically offers better processing for gaming with lower input lag. The Sony counters with better out-of-box color accuracy and those studio calibrated modes that movie purists appreciate. If you're primarily a gamer, the LG might edge it out. If you're a film fan who wants creator intent without calibration tools, the Sony makes a strong case.
The TCL QM8K and Hisense U8 Series are the value plays. Both are Mini-LED rather than OLED, which means they get brighter and handle bright rooms better, but they can't touch the Sony's perfect blacks. The Samsung Neo QLED QN800D is an 8K set that costs significantly more, and honestly, at 55 inches the 8K resolution is wasted. The Roku Pro Series is simpler and cheaper, but it's not in the same league for picture quality. For most buyers, this comes down to Sony versus LG, with the TCL as the budget alternative.
| Spec | Sony BRAVIA K55XR8B 55" | LG C5 Series OLED55C5PUA | Samsung Neo QLED QN990F | TCL QM8K Series 75QM8K | Hisense U8 Series 100U8QG | Roku Plus Series 55R6C7 |
|---|---|---|---|---|---|---|
| Screen Size | 55 | 55 | 75 | 75 | 99.5 | 55 |
| Resolution | 3840x2160 | 3840x2160 | 7680x4320 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | OLED | OLED | Mini-LED | Mini-LED | Mini-LED | QLED |
| Refresh Rate | 120 | 120 | 120 | 144 | 165 | 60 |
| Hdr | HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision | Dolby Vision, HDR10, HLG | HDR10, HDR10+, HLG | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG) |
| Smart Platform | Google TV | webOS | Tizen | Google TV | Google TV | Roku 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 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| Produto | HDR | Audio | Smart | Jogos | Display | User Sentiment | Connectivity | Prova social | Picture Quality |
|---|---|---|---|---|---|---|---|---|---|
| Sony BRAVIA K55XR8B 55" | 76.3 | 70.8 | 92.1 | 78.5 | 88.5 | 46.8 | 71.4 | 98.1 | 36.1 |
| LG C5 Series OLED55C5PUA Compare | 96.9 | 94 | 90.6 | 98 | 88.5 | 69.9 | 98.7 | 93.8 | 93.2 |
| Samsung Neo QLED QN990F Compare | 84.6 | 99.8 | 93.7 | 88.4 | 99.6 | 82.3 | 99.9 | 99.6 | 83.8 |
| TCL QM8K Series 75QM8K Compare | 91.2 | 92.6 | 99 | 93 | 89.7 | 82.3 | 92.9 | 87.2 | 99.3 |
| Hisense U8 Series 100U8QG Compare | 91.2 | 98.4 | 96.1 | 94.7 | 94.7 | 98.6 | 86.3 | 75.6 | 98.8 |
| Roku Plus Series 55R6C7 Compare | 76.3 | 82 | 99.8 | 57 | 77.8 | 92.9 | 89.2 | 93.8 | 36.1 |
Preço
Value & Pricing
Pricing is all over the place right now. We're seeing this set listed anywhere from USD 801 to USD 1,500 across eight US listings. That's a USD 699 spread, which is wild for the same TV. If you're paying the high end of that range, you're getting into territory where the LG C5 OLED starts looking like a smarter buy. But at the lower end, around USD 801, this becomes a genuinely compelling deal for a 55-inch OLED with this feature set.
The value story really depends on which listing you land on. Newegg has multiple listings including refurbished units, which is where you'll find the cheapest prices. Best Buy tends to sit higher but offers price matching and easier returns. If you can snag this under USD 900, the picture quality alone justifies the cost. Above USD 1,200, you should probably look at what else is available before committing.
Saiba mais
Overview
The Sony BRAVIA K55XR8B is one of those TVs that makes you remember why you wanted an OLED in the first place. It's a 55-inch 4K panel with the Cognitive Processor XR doing the heavy lifting, and the result is the kind of pure black, punchy contrast that LCD owners keep chasing but never quite catch. Sony is positioning this as a premium living room centerpiece, and on paper it backs that up with Dolby Vision, a 120Hz panel, and Google TV built in.
Who's this for? Movie nerds who care about studio calibration, PS5 owners who want VRR and ALLM without fiddling with settings, and anyone who has been holding onto an older LED TV waiting for OLED prices to feel less terrifying. The smart home crowd will also find a lot to like here, since Google Assistant integration is baked in and the smart features rank near the top of our database.
But here's the thing that jumps out immediately. The user sentiment score sits at just the 45th percentile, which is a weird place for a TV with a 4.8-star customer rating and social proof in the 98th percentile. People love the picture. They're less thrilled about the software experience. We'll dig into that mismatch below, because it's the real story with this set.
Common Questions
Q: Does this TV support 4K at 120Hz for gaming?
Yes. The K55XR8B has a 120Hz panel with HDMI 2.1 support, which means you can get 4K at 120fps from a PS5 or Xbox Series X. It also supports VRR and ALLM, so the TV automatically switches to game mode and syncs the refresh rate to prevent screen tearing.
Q: How does this TV perform in a bright room?
This is a weak spot. OLED panels don't get as bright as Mini-LED or QLED alternatives, and owners report mediocre performance in bright rooms. If your viewing space gets a lot of direct sunlight, you may want to consider a brighter LED option like the TCL QM8K or Hisense U8 Series instead.
Q: Does it come with a power cord?
A few owners have reported that the power cord was missing from the box, which is unusual for a TV at this price point. It's worth checking the box contents immediately after delivery so you can request a replacement if needed.
Q: Do I need a Google account to use this TV?
Yes, the Google TV interface requires a Google account for full functionality, including downloading apps and using Google Assistant. If you're not comfortable with that, you can still use it as a basic display with HDMI inputs, but you'll miss out on most of the smart features.
Who Should Skip This
If you're putting this TV in a bright living room with lots of windows, skip it. The OLED panel just doesn't get bright enough to fight glare, and you'll be squinting at dark scenes during the day. Look at a Mini-LED option like the TCL QM8K or Hisense U8 Series instead, which get significantly brighter and handle reflections better.
Also skip this if you're easily frustrated by software quirks. The sluggish UI and random power cycling reports are real issues that some owners found annoying enough to return the TV. If you want a more polished smart TV experience, the LG C5 OLED has a snappier interface and fewer reported software problems. And if you're on a tight budget, the Roku Pro Series gets you a decent picture with a much simpler, faster interface for less money.
Verdict
If you're a movie enthusiast who watches in a dark or dim room and wants that OLED pop without spending a fortune, the K55XR8B is a strong pick, especially if you can find it under USD 900. The Dolby Vision support, studio calibrated modes, and infinite contrast make it a genuinely cinematic experience. PS5 owners will also be happy with the 120Hz panel and VRR support, which makes fast-paced games feel smooth and responsive.
But if you're sensitive to software quirks, or you plan to use this in a bright living room, think twice. The sluggish UI complaints are real, and the random power cycling issues, while not universal, are concerning enough to mention. The lack of a sleep timer is a small thing that speaks to a larger pattern of software oversight. If you want a more polished smart TV experience, the LG C5 is worth the extra money. If you can live with the quirks and find a good price, the Sony delivers where it matters most: the picture.