LG UR340C Series 55UR340C9UD 55"
Built for 16/7 commercial operation, this 55-inch 4K display stands out with USB data cloning and Crestron Connected certification for streamlined multi-display management. Its 400-nit brightness and HDR10 support deliver adequate picture quality for indoor signage, complemented by a slim design and customizable greeting feature. This display is best for IT managers deploying digital signage in corporate lobbies or retail environments where centralized control and reliability matter more than gaming performance.
Snapshot
Pros & Cons
Pros
- Strong picture quality (73th percentile) 73th
- Strong display (68th percentile) 68th
Cons
- Below average gaming (1th percentile)
- Below average user sentiment (6th percentile)
- Below average smart (28th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 1 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 55" |
| Resolution | 4K |
| Panel Type | LED |
| Backlight | Direct LED |
| Aspect Ratio | 16:9 |
| Curved | No |
Picture Quality
| Brightness | 400 nits |
| Contrast Ratio | 1300:1 |
| Motion Tech | Motion Eye Care |
HDR
| HDR Formats | HDR10, HLG |
| Dolby Vision | No |
| HDR10+ | No |
| HLG | Yes |
Gaming
| Refresh Rate | 60 Hz |
| Response Time | 14 |
| ALLM | No |
| Game Mode | No |
Smart TV
| Platform | webOS |
Audio
| Speaker Config | 2 |
| Wattage | 20 |
| Dolby Atmos | No |
| eARC | Yes |
Connectivity
| HDMI Ports | 3 |
| HDMI Version | 2 |
| USB Ports | 1 |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 300x300 |
Power & Size
| Power | 135 |
| Energy Star | No |
| Weight | 14.0 kg / 30.9 lbs |
vs Competition
| Spec | LG UR340C Series 55UR340C9UD 55" | Sony BRAVIA XR XR77A95L | Samsung Neo QLED QN800D | TCL QM7K Series 75QM7K | Hisense U8 Series 75U8QG | Roku Plus Series 75R6C7 |
|---|---|---|---|---|---|---|
| Screen Size | 55 | 77 | 75 | 75 | 75 | 74.5 |
| Resolution | 3840x2160 | 3840x2160 | 7680x4320 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | LED | QD-OLED | MiniLED | QLED | QLED | QLED |
| Refresh Rate | 60 | 120 | 120 | 144 | 165 | 60 |
| Hdr | HDR10, HLG | 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+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG) |
| Smart Platform | webOS | Google TV | Tizen | Google TV | Google TV | Roku TV |
| Dolby Vision | false | true | false | true | true | true |
| Dolby Atmos | false | true | true | true | true | true |
| Hdmi Version | 2.0 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Hdr | Audio | Smart | Gaming | Display | User Sentiment | Connectivity | Social Proof | Picture Quality |
|---|---|---|---|---|---|---|---|---|---|
| LG UR340C Series 55UR340C9UD 55" | 62.6 | 45.9 | 28.3 | 0.7 | 68.1 | 5.9 | 50.4 | 52.6 | 73.3 |
| Sony BRAVIA XR XR77A95L Compare | 91.2 | 91.1 | 90.2 | 86.4 | 98.5 | 0 | 83.7 | 82.2 | 96.4 |
| Samsung Neo QLED QN800D Compare | 84.5 | 97.4 | 97.5 | 88.2 | 99 | 0 | 99.6 | 99.6 | 84.9 |
| TCL QM7K Series 75QM7K Compare | 91.2 | 90.1 | 97.5 | 93.4 | 88.4 | 0 | 89.1 | 88.2 | 97.2 |
| Hisense U8 Series 75U8QG Compare | 91.2 | 97.9 | 95.8 | 95 | 88.4 | 0 | 86 | 77.3 | 98.7 |
| Roku Plus Series 75R6C7 Compare | 75.9 | 81.5 | 99.8 | 56.4 | 85.8 | 0 | 89.1 | 99.6 | 35.6 |
Price
Value & Pricing
B&H Photo 1 offers From CA$983
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
