LG PK640S Series PK640S 50"
The integrated webOS signage platform and RS-232 controllability make this display a streamlined solution for commercial content management, distinct from consumer TVs. Its direct-lit LED panel and HDR10 Pro support provide functional picture quality for indoor corporate and hospitality environments. This display is best for IT administrators deploying simple, networked digital signage in conference rooms or hotel lobbies.
Snapshot
Pros & Cons
Pros
- Strong display (65th percentile) 65th
Cons
- Below average user sentiment (1st percentile)
- Below average social proof (21st percentile)
- Below average smart (31st 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 3 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 50" |
| Resolution | 4K |
| Panel Type | LED |
| Backlight | Direct LED |
| Aspect Ratio | 16:9 |
Picture Quality
| Brightness | 300 nits |
| Peak Brightness | 300 |
| Contrast Ratio | 5000:1 |
HDR
| HDR Formats | HDR10, HLG |
| Dolby Vision | No |
| HDR10+ | No |
| HLG | Yes |
Gaming
| Refresh Rate | 60 Hz |
| Response Time | 9.5 |
Smart TV
| Platform | webOS |
Audio
| Speaker Config | 2 |
| Wattage | 20 |
| Dolby Atmos | No |
Connectivity
| HDMI Ports | 2 |
| HDMI Version | 2 |
| USB Ports | 1 |
| Wi-Fi | Wi-Fi 5 |
| Bluetooth | Yes |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 200x300 |
Power & Size
| Power | 102 |
| Weight | 8.6 kg / 19.0 lbs |
vs Competition
| Spec | LG PK640S Series PK640S 50" | Sony BRAVIA 9 K85XR90 | Samsung Neo QLED QN75QN990FFXZA | Hisense U8 Series 100U8QG | TCL QM6K Series 55QM6K | Roku Plus Series 65R6C7 |
|---|---|---|---|---|---|---|
| Screen Size | 50 | 85 | 75 | 99.5 | 55 | 65 |
| Resolution | 3840x2160 | 3840x2160 | 7680x4320 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | LED | Mini-LED | QD-Mini-LED | Mini-LED | QLED | Mini-LED |
| Refresh Rate | 60 | 120 | 120 | 165 | 144 | 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, HDR10+, HDR10, 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 PK640S Series PK640S 50" | 63.9 | 36.2 | 30.6 | 38 | 65.3 | 0.8 | 52.3 | 21.3 | 36.7 |
| Sony BRAVIA 9 K85XR90 Compare | 76.7 | 96.9 | 91.6 | 79.3 | 94.5 | 65.3 | 92.7 | 88 | 79.7 |
| Samsung Neo QLED QN75QN990FFXZA Compare | 85.1 | 99.5 | 84.7 | 88.3 | 99.6 | 65.3 | 99.9 | 99.9 | 85.2 |
| Hisense U8 Series 100U8QG Compare | 91.5 | 98.2 | 95.7 | 95 | 94.5 | 97.9 | 86 | 77 | 98.8 |
| TCL QM6K Series 55QM6K Compare | 98.7 | 88.1 | 97.5 | 93.4 | 77.8 | 79.1 | 88.9 | 88 | 98.7 |
| Roku Plus Series 65R6C7 Compare | 76.7 | 82.3 | 99.8 | 58.8 | 84.9 | 79.1 | 88.9 | 94.6 | 36.7 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.