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LG LG 32U631A – Full Specifications Monitor
RATED
Good
6.6/10

31.5″ LG 32U631A – Full Specifications

The LG 32U631A is a roomy 31.5-inch IPS QHD monitor with a 48–100 Hz range, 99% sRGB and factory calibration.

31.5″ · 16:9 · MODEL YEAR 2025
LG●Monitor
Display
31.5 in, IPS, 2560 × 1440
31.5
Refresh Rate
48–100 Hz
48
Brightness
250 nits
Contrast Ratio
1000:1
1000

Overview

The LG 32U631A is a roomy 31.5-inch IPS QHD monitor with a 48–100 Hz range, 99% sRGB and factory calibration. It has USB-C listed at 15W, two HDMI 2.0 ports and True Color Pro, but no speakers and a fixed stand. It weighs 5.4 kg and brightness is 250 nits. It is a sensible pick for anyone who wants a large QHD screen and a USB-C input at a modest price. Its calibrated colour and large QHD canvas make it a good fit for editing documents and browsing with several windows open.

  • 31.5-inch IPS QHD at 93 ppi
  • 48–100 Hz with variable refresh
  • 99% sRGB, 250 nits, calibrated
  • USB-C (15W), 2× HDMI 2.0
  • True Color Pro, 5.4 kg

Pros & Cons

Pros
  • Large QHD canvas for multitasking
  • 100 Hz refresh for smoother scrolling
  • Calibrated 99% sRGB colour
  • Light at 5.4 kg
  • USB-C input included
Cons
  • USB-C power is only 15W, so it cannot charge a laptop
  • No built-in speakers, so audio needs a headset
  • Fixed stand with no height adjustment
  • Only 250 nits brightness is modest in bright rooms

Score & Ratings

6.6/10 Good
Design
7
Display
7
Color Performance
7
Performance
6
Connectivity
6
Model Information 8
Specification Value
Brand LG
Series UltraFine
Model 32U631A
Model Alias 32U631A-B
Full Product Name LG UltraFine 32U631A
Model Year 2025
Monitor Type QHD Monitor
Available Colors White
Display & Panel 12
Specification Value
Screen Size 31.5 in
Exact Diagonal 31.54 in
Screen Shape Flat
Aspect Ratio 16:9
Active Display Width 697.306 mm
Active Display Height 392.234 mm
Display Area 91.43%
Panel Type IPS
Backlight Type W-LED
3D Support No
Screen Coating Anti-glare / Matte
Coating Hardness 3H

31.5" Display Size (80 cm) 16:9

80cm 31.5" 69.7 cm / 27.5" 39.2 cm 15.4"
Resolution & Pixel Details 4
Specification Value
Native Resolution 2560 × 1440
Resolution Name Quad HD (QHD) / 1440p
Pixel Density 93 ppi
Pixel Pitch 0.273 mm
Picture Quality & Color 10
Specification Value
Panel Bit Depth 8-bit
FRC No
Display Colors 16.7 million
Total Color Bits 24-bit
Typical Brightness 250 nits
HDR Support Yes
HDR Formats
  • HDR10
HDR10 Yes
sRGB Coverage 99%
Factory Calibration Yes
DESK DISTANCE FIT 65cm
~65 cm desk distance
Wide
56°
CompactIdeal FitWideUltra-Wide

Fills more of your view — great for productivity, may need slight head turns toward the edges.

Refresh Rate, Response & Gaming 7
Specification Value
Refresh Rate Range 48–100 Hz
Minimum Response Time 5 ms
Variable Refresh Rate Yes
Adaptive-Sync Adaptive-Sync technology
Black Stabilizer Yes
Gaming Presets Yes
Dynamic Action Sync Yes
Ports & Connectivity 8
Specification Value
HDMI Ports
  • 2× HDMI 2.0
HDMI Version HDMI 2.0
HDCP Support Yes
HDCP Version HDCP 2.2
USB-C Input 1× USB-C 3.0
USB-C Power Delivery 15W
Audio Output 3.5 mm
Headphone Output Yes

Ports & Connections

HDMI2USB-CHeadphone
Audio, Camera, Network & Smart Features 2
Specification Value
Built-In Speakers No
Built-In Camera No
Ergonomics & Stand 6
Specification Value
VESA Mount Yes
Removable Stand Yes
Height Adjustment No
Tilt Adjustment Yes
Swivel Adjustment No
Pivot Adjustment No
Dimensions, Weight & Design 6
Specification Value
Dimensions With Stand 713.74 × 513.08 × 236.22 mm
Dimensions Without Stand 713.74 × 419.1 × 45.72 mm
Weight With Stand 5.4 kg
Weight Without Stand 4.26 kg
Stand Depth 236.22 mm
Bezel Design 3-side virtually borderless design
Power & Operating Conditions 9
Specification Value
110V Input Range 100–120V
220V Input Range 220–240V
AC Frequency 50–60 Hz
Sleep Consumption 0.5 W
Off Consumption 0.3 W
Operating Temperature 0–40°C
Operating Humidity 0–80%
Storage Temperature -20–60°C
Storage Humidity 0–85%
Eye Care, Protection & Additional Features 8
Specification Value
Flicker-Free Yes
Reader Mode Yes
Desktop Control Software Dual Controller
Monitor Management Software LG Switch
Auto Input Switching Yes
AI Visual Super Resolution+
Smart Energy Saving Yes
Additional Monitor Features
  • Color Weakness
  • Game Mode
  • HDR Effect
  • On-Screen Control 2.2
  • True Color Pro
  • Wide Color Gamut
Certifications, Standards & Licenses 8
Specification Value
Energy Star Certified
VESA AdaptiveSync Adaptive-Sync technology
RoHS Compliant
CECP Certified
FCC-B Certified
ErP Compliant
UL UL (cUL)
VCCI Certified
Included Accessories 1
Specification Value
HDMI Cable Included
Packaging Information 2
Specification Value
Package Dimensions 800.1 × 591.82 × 160.02 mm
Package Weight 6.49 kg
⚡

Estimated Running Cost

Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.

Daily₹0.72
Monthly₹21.60
Annually₹263

Draws less power than 83% of the 701 comparable displays we track.

Reviews

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