Roku 4802CA
Dolby Vision and HDR support on the Roku Ultra 4802CA deliver precise contrast and color depth for 4K streaming, backed by a wired Ethernet port that ensures stable, high-bandwidth playback. Hands-free voice controls and the Roku TV interface simplify navigation across hundreds of free and premium channels without added complexity. This streamer is best for home theater users who prioritize reliable, high-quality 4K HDR playback over portability.
Resolution 3840x2160
HDR HDR, Dolby Vision
smart platform Roku TV
dolby vision 是
27 综合评分
价格 €0
暂无在售信息
概览
优缺点
优点
- Strong social proof (88th percentile) 88th
- Strong display (70th percentile) 70th
缺点
- Below average audio (13th percentile)
- Below average smart (17th percentile)
- Below average gaming (17th percentile)
- Below average connectivity (21st percentile)
实测数据
性能表现
规格参数
完整规格参数
Display
| Resolution | 4K |
HDR
| HDR Formats | HDR, Dolby Vision |
| Dolby Vision | Yes |
Smart TV
| Platform | Roku TV |
| Voice Assistant | Hands-Free Voice Controls |
Connectivity
| Ethernet | Yes |
| Optical Audio | Yes |
竞品对比
| Spec | Roku 4802CA | Sony BRAVIA XR XR77A95L | Samsung Neo QLED QN900F | TCL QM7K Series 55QM7K | LG OLED evo OLED77C6HUP | Hisense U7 Series 75U75QG |
|---|---|---|---|---|---|---|
| Screen Size | - | 77 | 85 | 55 | 77 | 75 |
| Resolution | 3840x2160 | 3840x2160 | 7680x4320 | 3840x2160 | 3840x2160 | 4K |
| Panel Type | - | QD-OLED | Mini-LED | Mini-LED | OLED | Mini-LED |
| Refresh Rate | - | 120 | 120 | 144 | 120 | 165 |
| Hdr | HDR, Dolby Vision | HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision | HDR10, HDR10+, HLG | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) |
| Smart Platform | Roku TV | Google TV | Tizen | Google TV | webOS | Google TV |
| Dolby Vision | true | true | false | true | true | true |
| Dolby Atmos | - | true | true | true | true | true |
| Hdmi Version | - | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | HDR | Audio | Smart | 游戏 | Display | Connectivity | 用户口碑 | Picture Quality |
|---|---|---|---|---|---|---|---|---|
| Roku 4802CA | 62.7 | 13 | 16.5 | 16.6 | 69.7 | 20.5 | 87.8 | 36 |
| Sony BRAVIA XR XR77A95L Compare | 91.2 | 91.2 | 90.2 | 86.4 | 98.5 | 83.7 | 81.8 | 96.5 |
| Samsung Neo QLED QN900F Compare | 93.8 | 98.9 | 77.4 | 88.2 | 99.7 | 96.7 | 99.9 | 93.6 |
| TCL QM7K Series 55QM7K Compare | 91.2 | 68.9 | 97.5 | 93.4 | 79.1 | 89 | 87.8 | 98.1 |
| LG OLED evo OLED77C6HUP Compare | 76 | 84.7 | 79.5 | 99.2 | 97.2 | 89 | 98.3 | 70.5 |
| Hisense U7 Series 75U75QG Compare | 91.2 | 93.4 | 95.8 | 95 | 49 | 96.7 | 87.8 | 97.8 |
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。
