LG B4 Series OLED77B4PUA 77.8"
LG
67 综合评分
vs
Roku Pro Series 55R8C5 55"
Roku
78 综合评分
买家怎么说
LG B4 Series OLED77B4PUA 77.8"
82 满分 100 置信度高 200 条评价
LG B4 OLED电视因其令人惊叹的画质、深邃的黑色和鲜艳的色彩而获得压倒性的好评，成为电影和游戏的首选。许多用户强调其作为OLED电视的卓越性价比，尽管有些人报告了webOS界面缓慢、连接问题以及偶尔的坏点或可靠性问题。内置音响被认为尚可，但通常与条形音箱搭配使用以获得更好的体验。
优点
- 令人惊叹的画质
- 深邃的黑色和鲜艳的色彩
- OLED卓越的性价比
- 非常适合游戏和电影
- 流畅的120Hz刷新率
缺点
- webOS界面缓慢
- 连接和流媒体问题
- 使用后不久出现坏点
- 内置音响质量差
- 遥控器灵敏度问题
Picture quality 35
Value for money 20
Webos performance 8
Sound quality 12
Reliability 10
Connectivity 6
Roku Pro Series 55R8C5 55"
92 满分 100 置信度中 26 条评价
Roku Pro系列电视因其卓越的画质、鲜艳的色彩和深邃的黑色而获得压倒性的正面反馈。用户称赞内置音响，通常认为其足够好而无需回音壁，并强调响应迅速且用户友好的Roku界面。可充电、带背光且具有定位功能的遥控器是一个便捷的亮点。一些小的批评包括反光的亮面屏幕、无法自定义的快捷按钮，以及偶尔出现的初始问题（如局部调光瑕疵，但很快得到解决）。
优点
- 卓越的画质，色彩鲜艳
- 深邃的黑色和出色的对比度
- 出色的内置音响，通常无需回音壁
- 响应迅速且快速的Roku界面
- 可充电背光遥控器，带定位功能
缺点
- 亮面屏幕导致反光
- 遥控器上的快捷按钮无法自定义
- 初始局部调光瑕疵（已快速解决）
- 比预期重
- 低音有时不足
Picture quality 10
Sound quality 9
Ease of use 8
Remote control 7
Value for money 6
Gaming performance 3
评分
Budget
Smart Home
Streaming
Gaming
Sports
Corporate
Movies
Portable
Outdoor
规格
| LG B4 Series OLED77B4PUA 77.8" | Roku Pro Series 55R8C5 55" | |
|---|---|---|
| Display | ||
| Size | 77.8" | 55" |
| Resolution | 4K | 4K |
| Panel Type | OLED★ | QLED |
| Backlight | OLED★ | Full-Array LED |
| Aspect Ratio | — | 16:9 |
| Curved | ✗ | ✗ |
| Screen Finish | — | glossy |
| Picture Quality | ||
| Contrast Ratio | Infinite | infinite |
| Motion Tech | — | Roku Smart Picture Max |
| Processor | α8 AI Processor | Roku Smart Picture Max |
| HDR | ||
| HDR Formats | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG) |
| Dolby Vision | ✓ | ✓ |
| HDR10+ | ✗ | ✓★ |
| HLG | ✓ | ✓ |
| Gaming | ||
| Refresh Rate | 120 Hz | 120 Hz |
| VRR | G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync (AMD Adaptive | FreeSync Premium Pro, VRR |
| ALLM | — | ✓★ |
| Game Mode | — | ✓★ |
| Smart TV | ||
| Platform | webOS | Roku TV |
| Voice Assistant | Amazon Alexa | Not Applicable, Not Applicable |
| Screen Mirroring | Apple AirPlay 2, Chromecast | Apple AirPlay 2, Miracast |
| Works With | — | Apple Home, Amazon Alexa, Google Home |
| Audio | ||
| Speaker Config | 2.0 | 4 |
| Dolby Atmos | ✓ | ✓ |
| Surround Sound | Dolby Atmos | Dolby Atmos, Dolby Audio |
| eARC | ✓ | ✓ |
| Connectivity | ||
| HDMI Ports | 4 | 4 |
| HDMI Version | 2.1 | 2.1 |
| USB Ports | 2 | 2 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6★ |
| Bluetooth | 5.1 | 5.2★ |
| Ethernet | ✓ | ✓ |
| Optical Audio | ✓ | ✓ |
| VESA Mount | 300mm x 200mm | 200x200 |
| Power & Size | ||
| Power | — | 235W★ |
| Energy Star | ✓★ | ✗ |
| Annual Energy | 296 kWh | 238 kWh★ |
| Weight | 22.91 kg | 18.55 kg★ |
优缺点
LG B4 Series OLED77B4PUA 77.8"
- Strong social proof (94th percentile)94th %ile
- Strong smart (89th percentile)89th %ile
- Strong connectivity (86th percentile)86th %ile
- Strong audio (78th percentile)
- Below average affordability (0th percentile)0th %ile
Roku Pro Series 55R8C5 55"
- Strong user sentiment (94th percentile)94th %ile
- Strong social proof (94th percentile)94th %ile
- Strong connectivity (93rd percentile)93rd %ile
- Strong gaming (88th percentile)88th %ile
结论
胜出: Roku Pro Series 55R8C5 55"
Scores 78 overall, wins 5 of 9 usage categories and 8 of 38 specs.