On sale 4%
LG 24U421A-B 23.8" Black 2025
Screen 23.799999237060547
Resolution 1920 x 1080
Panel VA
Refresh 100 Hz
response time ms 5
HDR HDR10
57 Overall Score
Price $130
Snapshot
Pros & Cons
Pros
- Strong feature (100th percentile) 100th
- Strong compact (90th percentile) 90th
- Strong social proof (76th percentile) 76th
Cons
- Below average display (13th 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.
Owner sentiment has cooled since launch
Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 23.8" |
| Resolution | 1920 (Full HD) |
| Panel Type | VA |
| Aspect Ratio | 16:9 |
| Curved | Yes |
| Curvature | 1500 |
Performance
| Refresh Rate | 100 Hz |
| Response Time | 5 |
Color & HDR
| Brightness | 250 nits |
| Color Gamut | sRGB 99% (CIE1931) |
| HDR | HDR10 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 1 |
| USB-C | 1 |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | No |
| Tilt | Yes |
| Swivel | No |
| Pivot | No |
| VESA Mount | 100x100 |
Features
| Webcam | Yes |
| Power | 14 |
| Weight | 2.9 kg / 6.4 lbs |
vs Competition
| Spec | LG 24U421A-B 23.8" | ASUS TUF Gaming VG34VQL1B | Dell S S2725QC | SANSUI 27 inch | Samsung Odyssey G7 G70F | AOC AGON PRO AG276QZD2 |
|---|---|---|---|---|---|---|
| Screen Size | 23.799999237060547 | 34 | 27 | 27 | 27 | 27 |
| Resolution | 1920 x 1080 | 3440 x 1440 | 3840 x 2160 | 2560 x 1440 | 3840x2160 | 2560 x 1440 |
| Panel Type | VA | VA | IPS | IPS | IPS | OLED |
| Refresh Rate | 100 | 165 | 120 | 200 | 180 | 240 |
| Response Time Ms | 5 | 1 | 8 | 1 | 1 | 0.029999999329447746 |
| Adaptive Sync | - | FreeSync Premium | FreeSync Premium | FreeSync | G-Sync Compatible | Adaptive-Sync |
| Hdr | HDR10 | DisplayHDR 400 | HDR | HDR | HDR10 | DisplayHDR True Black 400 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Compact | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| LG 24U421A-B 23.8" | 54.6 | 90.4 | 12.9 | 99.6 | 49.3 | 48.6 | 47.4 | 75.6 |
| ASUS TUF Gaming VG34VQL1B Compare | 95.1 | 77.3 | 78.8 | 97.4 | 72.4 | 78.1 | 99.9 | 86.4 |
| Dell S S2725QC Compare | 74 | 82.4 | 88.4 | 72.6 | 72.4 | 44.3 | 87.9 | 99.5 |
| SANSUI 27 inch Compare | 93 | 16.1 | 69.1 | 72.6 | 90.6 | 85.4 | 77.8 | 91.2 |
| Samsung Odyssey G7 G70F Compare | 87.5 | 16.1 | 88.4 | 72.6 | 90.6 | 82.6 | 59 | 74.1 |
| AOC AGON PRO AG276QZD2 Compare | 76.2 | 86.9 | 76.6 | 72.6 | 90.6 | 97.9 | 99.6 | 86.4 |
Price
Value & Pricing
From $130
Amazon 2 offers From $130
Newegg 1 offers From $134
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
