On sale 28%
LG PK640S Series PK640S 50"
Screen 50
Resolution 3840x2160
Panel LED
Refresh 60 Hz
HDR HDR10, HLG
smart platform webOS
hdmi version 2.0
39 Overall Score
Price $572
Snapshot
Pros & Cons
Pros
Cons
- Below average user sentiment (3th percentile)
- Below average smart (30th percentile)
- Below average audio (33th 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.
25/100Our AI sentiment read
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 5 K55XR50 | Samsung Neo QLED QN800D | Hisense U8 Series 75U8QG | TCL QM7K Series 98QM7K | Roku Pro Series 55R8C5 |
|---|---|---|---|---|---|---|
| Screen Size | 50 | 55 | 75 | 75 | 98 | 55 |
| Resolution | 3840x2160 | 3840x2160 | 7680x4320 | 3840x2160 | 4K | 3840x2160 |
| Panel Type | LED | MiniLED | MiniLED | QLED | QLED | QLED |
| Refresh Rate | 60 | 120 | 120 | 165 | 144 | 120 |
| Hdr | HDR10, HLG | Dolby Vision, HDR10, HLG | 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 PK640S Series PK640S 50" | 62.7 | 33.4 | 29.8 | 36 | 63.7 | 2.7 | 51.1 | 46 | 36.3 |
| Sony BRAVIA 5 K55XR50 Compare | 97.3 | 92.1 | 90.8 | 79 | 66.7 | 0 | 93.2 | 95.5 | 93.7 |
| Samsung Neo QLED QN800D Compare | 84.7 | 97.7 | 80.3 | 88.4 | 99 | 0 | 99.6 | 99.5 | 85.1 |
| Hisense U8 Series 75U8QG Compare | 91.6 | 98.1 | 95.8 | 95.4 | 87.6 | 0 | 86.3 | 82.6 | 98.6 |
| TCL QM7K Series 98QM7K Compare | 91.6 | 81.5 | 97.4 | 93.7 | 52.6 | 93.5 | 83.9 | 98.6 | 97.7 |
| Roku Pro Series 55R8C5 Compare | 76.2 | 84.7 | 85.9 | 88.4 | 78.7 | 0 | 93.2 | 95.5 | 36.3 |
Price
Value & Pricing
From $572
Amazon 1 offers From $572
Best Buy 1 offers From $598
B&H Photo 1 offers From $827
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
