LG 24U421A-B 23.8" Black 2025
The 1500R VA panel with a 3000:1 contrast ratio and 99% sRGB coverage delivers deep blacks and accurate color for a budget curved display. Its integrated USB-C port with 15W power delivery and a built-in webcam reduce desktop clutter, creating a clean, all-in-one workspace. This monitor is best for students or home office users who want an immersive, single-cable setup for productivity and casual 100Hz gaming.
Snapshot
Pros & Cons
Pros
- Strong feature (100th percentile) 100th
- Strong portability (87th percentile) 87th
- Strong social proof (74th percentile) 74th
Cons
- Below average display (12th 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.
- Q4 202580/100
Buyers found the monitor good value for work, with mixed views on gaming. One received a used unit when new was ordered.
- Good value for price, suitable for work from home setups.
- Picture quality is decent but not recommended for gaming.
- Curved design helps preserve detail, praised by Spanish reviewer.
- One buyer received a used monitor instead of a new one.
- Q3 202580/100
Buyers in Q3 2025 praised the monitor's value and color after calibration. Some noted shakiness, lack of 4K, and USB-C limitations.
- Great value for the price, exceeding expectations for work and daily use.
- Color is good after correction, but missing 4K resolution was a downgrade for some.
- Monitor is a little shaky, as other reviews note; USB-C only charges, doesn't transmit data.
- Curve stands out depending on the app, especially for glasses wearers, but users adapt.
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 | 1920x1080 (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 ROG Strix XG27AQDMG | MSI MAG 271QPX QD-OLED E2 | Samsung Odyssey G60SD | Gigabyte M Series OLED MO27U2 SA | Dell UltraSharp U4025QW |
|---|---|---|---|---|---|---|
| Screen Size | 23.799999237060547 | 26.5 | 27 | 27 | 27 | 39.70000076293945 |
| Resolution | 1920 x 1080 | 2560 x 1440 | 2560 x 1440 | 2560 x 1440 | 3840 x 2160 | 5120 x 2160 |
| Panel Type | VA | OLED | QD-OLED | QD-OLED | OLED | IPS |
| Refresh Rate | 100 | 240 | 240 | 360 | 240 | 120 |
| Response Time Ms | 5 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 5 |
| Adaptive Sync | - | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync |
| Hdr | HDR10 | HDR10 | DisplayHDR True Black 400 | HDR10+ | DisplayHDR 400 | DisplayHDR 600 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| LG 24U421A-B 23.8" | 59.3 | 86.7 | 12.3 | 99.6 | 55.7 | 50.3 | 53.5 | 74 |
| ASUS ROG Strix XG27AQDMG Compare | 97.3 | 72.2 | 78.5 | 74.1 | 91.9 | 98.4 | 94.6 | 90.8 |
| MSI MAG 271QPX QD-OLED E2 Compare | 99.2 | 63.6 | 79.3 | 87.4 | 91.9 | 98.4 | 84.9 | 99.4 |
| Samsung Odyssey G60SD Compare | 92.4 | 46.7 | 79.3 | 74.1 | 91.9 | 99.7 | 89.9 | 95.6 |
| Gigabyte M Series OLED MO27U2 SA Compare | 87.3 | 63.6 | 97.9 | 87.4 | 91.9 | 98.4 | 84.9 | 71.7 |
| Dell UltraSharp U4025QW Compare | 98.2 | 79.6 | 98.7 | 97.4 | 91.9 | 58.6 | 99.4 | 95.6 |
Price
Value & Pricing
Amazon.com.mx 1 offer From MX$2,581
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
