Sony BRAVIA XR8B K77XR8B 76.7"
The self-lit OLED panel with Cognitive Processor XR delivers pure blacks and near-infinite contrast, with a 120Hz refresh rate and HDMI 2.1 support for smooth gaming. Its Acoustic Surface Audio+ screen-sound technology and exclusive PS5 features like Auto HDR Tone Mapping enhance immersion, housed in a sleek design. Best for home theater enthusiasts and console gamers wanting a large, cinematic 77-inch OLED with seamless smart home integration.
Snapshot
优缺点
Pros
Cons
What owners think
用户口碑如何随时间变化
独家依据客户实际撰写评价的时间——让你看到最初的好评是否持续。
- Q1 202684/100
Buyers praise the OLED picture quality, deep blacks, and vibrant colors. Many pair with external sound systems. A few note the built-in sound is mediocre and glossy screen can reflect light.
- OLED picture quality: vibrant colors, deep blacks, sharp and lifelike images.
- Built-in audio adequate but lacks punch; most recommend external sound system.
- Glossy screen causes reflections in bright rooms; visible glare on content.
- ATSC 3.0 tuner has issues on some channels according to one buyer.
- Q4 202575/100
Buyers praised the TV's superb picture quality, vibrant colors, and gaming features. Mixed feedback on software ease and reliability was also noted.
- Superb picture quality with rich colors and sharp images, ideal for sports and gaming.
- Great gaming performance: 4K 120Hz, VRR, and HDMI 2.1 support for smooth gameplay.
- Software is responsive but not perfectly intuitive; force to Google start screen frustrates some.
- TV becomes near useless without Google services, limiting functionality for some users.
基于 18 条带日期的客户评价，按日历季度分组。分期分析为英文。
The proof
性能表现
规格参数
完整规格参数
Display
| Size | 77" |
| Resolution | 4K |
| Panel Type | OLED |
| Backlight | OLED |
| Aspect Ratio | 16:9 |
| Curved | No |
Picture Quality
| Contrast Ratio | Near Infinite (Black Pixels Emit |
| Color Gamut | Not Specified by Manufacturer |
| 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 | VRR |
| ALLM | Yes |
| Game Mode | Yes |
Smart TV
| Platform | Google TV |
| Voice Assistant | Google Assistant |
| Screen Mirroring | Miracast, Apple AirPlay 2 |
| Works With | Google Home |
Audio
| Speaker Config | 2.1 |
| 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 | Wi-Fi 6 |
| Bluetooth | 5.3 |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 300x300 |
Power & Size
| Power | 438 |
| Energy Star | No |
| Weight | 32.3 kg / 71.2 lbs |
竞品对比
| Spec | Sony BRAVIA XR8B K77XR8B 76.7" | Samsung Neo QLED QN900F | LG OLED evo AI 4K G5 Series OLED97G5WUA | Hisense U7 Series 65U75QG | Panasonic Z85AP Series TV-65Z85AP | TCL NXTVISION 55A300W |
|---|---|---|---|---|---|---|
| Screen Size | 77 | 85 | 97 | 64.5 | 65 | 55 |
| Resolution | 3840x2160 | 7680x4320 | 3840x2160 | 4K | 4K | 4K |
| Panel Type | OLED | Neo QLED | OLED | QLED | OLED | QLED |
| Refresh Rate | 120 | 120 | 120 | 165 | 120 | 120 |
| Hdr | HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision | HDR10, HDR10+, HLG | HDR10, Dolby Vision, HLG | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | HDR10+ Adaptive, HDR10, HLG, Dolby Vision IQ | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) |
| Smart Platform | Google TV | Tizen | webOS | Google TV | Fire TV | Google TV |
| Dolby Vision | true | false | true | 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 |
| Product | Hdr | Audio | Smart | Gaming | Display | Connectivity | Social Proof | Picture Quality |
|---|---|---|---|---|---|---|---|---|
| Sony BRAVIA XR8B K77XR8B 76.7" | 75.9 | 84.7 | 91.8 | 78.7 | 97.3 | 89.1 | 94.7 | 35.7 |
| Samsung Neo QLED QN900F Compare | 93.8 | 98.8 | 77.5 | 88.2 | 99.8 | 96.7 | 99.9 | 93.5 |
| LG OLED evo AI 4K G5 Series OLED97G5WUA Compare | 96.9 | 99.9 | 78.4 | 88.2 | 98.8 | 83.8 | 77.3 | 96.4 |
| Hisense U7 Series 65U75QG Compare | 91.2 | 93.4 | 95.8 | 95.1 | 39.5 | 96.7 | 88.3 | 97.7 |
| Panasonic Z85AP Series TV-65Z85AP Compare | 98.9 | 88.9 | 48.1 | 84.6 | 54.4 | 81.4 | 77.3 | 35.7 |
| TCL NXTVISION 55A300W Compare | 75.9 | 77.3 | 99.1 | 84.6 | 39.5 | 83.8 | 82.3 | 35.7 |
