LG B4 Series OLED77B4PUA 77"
The self-lit OLED panel with the α8 AI Processor delivers infinite contrast and luminous color accuracy, while the near-invisible bezel creates a seamless, ultra-slim aesthetic. It doubles as a high-performance gaming display with a 120Hz refresh rate, 0.1ms response time, and full support for NVIDIA G-Sync and AMD FreeSync across four HDMI 2.1 ports. This 77-inch screen is best for console and PC gamers who also want a premium, processor-enhanced cinematic experience for streaming and movies.
Screen 77
Resolution 3840x2160
Panel OLED
Refresh 120 Hz
HDR Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG)
smart platform webOS
dolby vision 是
dolby atmos 是
86 综合评分
价格 MX$0
Snapshot
优缺点
Pros
- Strong gaming (99th percentile) 99th
- Strong display (97th percentile) 97th
- Strong audio (96th percentile) 96th
- Strong social proof (95th percentile) 95th
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。
自上市以来，用户口碑有所降温
基于 200 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 | Infinite |
| Processor | α8 AI Processor |
HDR
| HDR Formats | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) |
| Dolby Vision | Yes |
| HDR10+ | No |
| HLG | Yes |
Gaming
| Refresh Rate | 120 Hz |
| Response Time | 0.1 |
| VRR | G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync (AMD Adaptive |
| ALLM | Yes |
| Game Mode | Yes |
Smart TV
| Platform | webOS |
| Voice Assistant | Amazon Alexa |
| Screen Mirroring | Apple AirPlay 2, Chromecast |
| Works With | Alexa, Google, Apple HomeKit |
Audio
| Speaker Config | 2 |
| Wattage | 160.6 |
| Dolby Atmos | Yes |
| Surround Sound | Dolby Atmos |
| eARC | Yes |
Connectivity
| HDMI Ports | 4 |
| HDMI Version | 2.1 |
| USB Ports | 2 |
| Wi-Fi | Wi-Fi 5 |
| Bluetooth | 5.1 |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 300mm x 200mm |
Power & Size
| Power | 161 |
| Energy Star | Yes |
| Annual Energy | 296 |
| Weight | 22.9 kg / 50.5 lbs |
竞品对比
| Spec | LG B4 Series OLED77B4PUA 77" | Samsung Neo QLED QN900F | Sony BRAVIA 9 K85XR90 | TCL QM7K Series 98QM7K | Hisense U7 Series 75U75QG | Roku Plus Series 75R6C7 |
|---|---|---|---|---|---|---|
| Screen Size | 77 | 85 | 85 | 97.5 | 75 | 75 |
| Resolution | 3840x2160 | 7680x4320 | 3840x2160 | 4K | 4K | 3840x2160 |
| Panel Type | OLED | MiniLED | MiniLED | QLED | MiniLED | QLED |
| Refresh Rate | 120 | 120 | 120 | 144 | 165 | 60 |
| Hdr | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) | HDR10, HDR10+, HLG | HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision | 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 | webOS | Tizen | Google TV | Google TV | Google TV | Roku 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 |
|---|---|---|---|---|---|---|---|---|
| LG B4 Series OLED77B4PUA 77" | 76.3 | 96.1 | 78.7 | 99.2 | 97 | 89.2 | 94.8 | 36.3 |
| Samsung Neo QLED QN900F Compare | 94.2 | 99.1 | 79.5 | 88.4 | 99.1 | 96.8 | 99.9 | 93.7 |
| Sony BRAVIA 9 K85XR90 Compare | 76.3 | 96.8 | 92.3 | 79 | 82.1 | 93.1 | 98.5 | 79.2 |
| TCL QM7K Series 98QM7K Compare | 91.6 | 81.5 | 97.4 | 93.7 | 52.6 | 83.8 | 98.5 | 97.7 |
| Hisense U7 Series 75U75QG Compare | 91.6 | 93.9 | 95.8 | 95.4 | 36 | 96.8 | 94.8 | 98.4 |
| Roku Plus Series 75R6C7 Compare | 76.3 | 81.5 | 99.7 | 57 | 87.6 | 89.2 | 99.5 | 36.3 |
使用场景评分
完整评测即将发布。上方的规格、评分、价格和图表始终保持最新。
