LG UM670H 55"
Built for centralized management, the 55-inch 4K LCD integrates Pro:Centric Direct CMS and Pro:Idiom DRM for streamlined content delivery and secure in-room entertainment. Its webOS smart platform and three HDMI inputs, including one with ARC, provide flexible connectivity for guest devices. This display is best for hotel operators needing a reliable, remotely managed hospitality TV rather than consumers seeking high-refresh gaming or cinematic picture quality.
Screen 55"
Resolution 3840x2160
Panel LED
Refresh 60 Hz
smart platform webOS
hdmi version 2.1
34 Overall Score
Price $1,049
Snapshot
Pros & Cons
Pros
- Strong connectivity (79th percentile) 79th
- Strong display (68th percentile) 68th
Cons
- Below average social proof (10th percentile)
- Below average hdr (14th percentile)
- Below average smart (33rd percentile)
The proof
Performance
Specifications
Full Specifications
Display
| Size | 55" |
| Resolution | 4K |
| Panel Type | LED |
| Aspect Ratio | 16:9 |
| Curved | No |
HDR
| Dolby Vision | No |
| HDR10+ | No |
| HLG | No |
Gaming
| Refresh Rate | 60 Hz |
| ALLM | No |
Smart TV
| Platform | webOS |
Audio
| Dolby Atmos | No |
| eARC | Yes |
Connectivity
| HDMI Ports | 3 |
| HDMI Version | 2.1 |
| USB Ports | 2 |
| Wi-Fi | Wi-Fi 5 |
| Bluetooth | Yes |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 300x300 |
Power & Size
| Power | 150 |
| Weight | 14.0 kg / 30.9 lbs |
vs Competition
| Spec | LG UM670H 55" | Sony A95L XR77A95L | TCL QM8K Series 75QM8K | Samsung The Frame Pro QN85LS03FWFXZA | Hisense U8 Series 65U8QG | Roku Plus Series 55R6C7 |
|---|---|---|---|---|---|---|
| Screen Size | 55 | 77 | 75 | 85 | 65 | 55 |
| Resolution | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | LED | QD-OLED | Mini-LED | QD-Mini-LED | Mini-LED | QLED |
| Refresh Rate | 60 | 120 | 144 | 120 | 165 | 60 |
| Hdr | - | HDR10, HLG, Dolby Vision, IMAX Enhanced | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) | HDR10, HDR10+, HLG | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG) |
| Smart Platform | webOS | Google TV | Google TV | Tizen | Google TV | Roku TV |
| Dolby Vision | false | true | true | false | true | true |
| Dolby Atmos | false | 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 UM670H 55" | 14.4 | 43.4 | 32.9 | 47.9 | 67.6 | 78.7 | 10.2 | 36.7 |
| Sony A95L XR77A95L Compare | 91.9 | 95.4 | 90.8 | 87.3 | 98.6 | 84.7 | 88.2 | 96.3 |
| TCL QM8K Series 75QM8K Compare | 91.9 | 92.9 | 99.1 | 93.4 | 89.5 | 93 | 88.2 | 99.3 |
| Samsung The Frame Pro QN85LS03FWFXZA Compare | 85.6 | 91.4 | 83.6 | 80.2 | 97 | 99.4 | 82.2 | 79.8 |
| Hisense U8 Series 65U8QG Compare | 91.9 | 97.4 | 96.1 | 96.5 | 84.5 | 86.8 | 77 | 99.5 |
| Roku Plus Series 55R6C7 Compare | 77.6 | 83.5 | 99.8 | 59.4 | 77.3 | 89.6 | 94.3 | 36.7 |
Price
Value & Pricing
From $1,049
Amazon 1 offer From $1,049
B&H Photo 1 offer From $774
We started tracking prices for this product on May 1, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
