LG 24U631A-B 23.8" Black

★★★★★ 5.0 (5)

The 2560x1440 IPS panel with 99% sRGB coverage and a 100Hz refresh rate delivers sharper-than-1080p clarity with smoother motion for a 24-inch desktop monitor. Its USB-C connectivity with 15W power delivery and LG Switch app add functional convenience for a clutter-free, dual-device setup. This display is best for office users and students who want crisp text and accurate color for productivity, with a fluid refresh rate for casual browsing.

Screen 23.799999237060547
Resolution 2560x1440
Panel IPS
Refresh 100 Hz
response time ms 5
HDR HDR10
LG 24U631A-B 23.8" Black monitor
57 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong compact (85th percentile) 85th
  • Strong feature (72th percentile) 72th

Cons

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has held steady over time
1★2★3★4★5★Q4 '25: 5.0★ · 1 reviewQ2 '26: 5.0★ · 1 review (approx. date)11Q4 '25Q2 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviewsEstimated date

Based on 2 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Color 53.6
Portability 85.1
Display 60.5
Feature 72.2
Ergonomic 48.3
Performance 48.3
Connectivity 45.8
Social Proof 63.2

Specifications

Full Specifications

Display

Size 23.8"
Resolution 2560 (QHD)
Panel Type IPS
Aspect Ratio 16:9
Curved No

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

Ergonomics

Height Adjustable No
Tilt Yes
Swivel No
Pivot No
VESA Mount 100x100

Features

Power 17
Weight 3.6 kg / 7.9 lbs

vs Competition

Spec LG 24U631A-B 23.8" Samsung Odyssey Neo G9 LS57CG952NNXZA ASUS ROG Strix XG27AQDMG Dell UltraSharp U4025QW MSI MPG 321CURX QD-OLED Alienware AW-Series AW3425DW
Screen Size 23.799999237060547 57 26.5 39.70000076293945 32 34
Resolution 2560x1440 DUHD 2560 x 1440 5120 x 2160 3840 x 2160 3440x1440
Panel Type IPS VA OLED IPS OLED QD-OLED
Refresh Rate 100 240 240 120 240 240
Response Time Ms 5 1 0.029999999329447746 5 0.029999999329447746 0.029999999329447746
Adaptive Sync - FreeSync Premium Pro FreeSync Premium Pro Adaptive-Sync G-Sync Compatible FreeSync Premium Pro
Hdr HDR10 DisplayHDR 1000 HDR10 DisplayHDR 600 DisplayHDR True Black 400 DisplayHDR 400 True Black
Compare Compare Compare Compare Compare
Product ColorCompactDisplayFeatureErgonomicPerformanceConnectivitySocial Proof
LG 24U631A-B 23.8" 53.685.160.572.248.348.345.863.2
Samsung Odyssey Neo G9 LS57CG952NNXZA Compare 99.17499.797.390.387.495.395.4
ASUS ROG Strix XG27AQDMG Compare 96.47475.572.290.397.993.186.1
Dell UltraSharp U4025QW Compare 97.682.498.397.371.956.199.398.3
MSI MPG 321CURX QD-OLED Compare 97.95598.891.790.397.981.990.8
Alienware AW-Series AW3425DW Compare 98.379.985.391.790.397.995.395.4

Usage Scores

Overall (57.1)Gaming (45.2)Office (47.9)Creative (48.5)Portable (32)Professional (49)Entertainment (46.6)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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