LG 39GX900A -Price and Full Specifications

SKU: 39GX900A
Brand: lg
Category: Monitor
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Available Official

Display 38.5 in, OLED, 3440 x 1440 pixels (UWQHD)
Refresh rate 48 Hz - 240 Hz
Dimensions 886.5 x 404 x 198 mm (without stand)
Weight 7.3 kg (without stand)
Brightness: 275 cd/m² (typ), 1300 cd/m² (peak)

Our Rating

The overall rating is based on review by our experts

Design 8 / 10
Display 8 / 10
HDR 8 / 10
Refresh Rate 8 / 10
Connectivity 8 / 10
Ergonomics 8 / 10

PROS

Stunning OLED picture with 1500000:1 contrast and HDR support.
Ultra-fast 0.03 ms response + 48-240 Hz refresh rate, great for gaming.
Ergonomic design: height adjustable, tilt support, VESA mount.

CONS

No built-in speakers or camera.
High power consumption for bright content (peak 1300 cd/m²).
Expensive, limited swivel/pivot options.

Full Specifications

Basic Information

Brand	LG
Model	39GX900A
Model Year	2025

Dimensions & Weight

Dimensions With Stand	886.5 x 496 x 323 mm
Dimensions Without Stand	886.5 x 404 x 198 mm
Weight	7.3 kg

Display

Size	38.5 in
Diagonal	977.44 mm
Width	886.5 mm
Height	404 mm
Radius of curvature	800 mm
Aspect Ratio	2.389:1
Panel Type	OLED
Resolution	3440 x 1440 pixels
Panel manufacturer	LG Display
Panel bit depth	10 bits
FRC	No
Coating	Anti-glare/Matte; AGLR - MLA+

Picture Quality

Backlight	OLED
Static contrast	1500000 : 1
HDR Support	DisplayHDR 400 True Black, HDR10
Brightness	275 cd/m²
Peak Brightness	1300 cd/m²
Pixel Density	95 ppi
Pixel Pitch	0.266 mm
Colors	1073741824 colors, 30 bits
DCI-P3	98.5 %
Viewing angle	178 ° / 178 °

Response Time & Input Lag

MIN Response Time	0.03 ms
MAX Response Time	-

Refresh Rate & VRR

Native Refresh Rate	48 Hz - 240 Hz
Maximum Refresh Rate	240 Hz
DSC	1 x DisplayPort 1.4
VRR Support	AMD FreeSync Premium, NVIDIA G-Sync Compatible
VRR Range	48 Hz - 240 Hz

Ergonomics & Design

VESA Mount	Yes,100 x 100 mm
Removable stand	Yes
Height adjustment	Yes,110 mm
Landscape/portrait pivot	No
Left/right swivel	No
Forward/backward tilt	Yes,30 ° /30 °
Design Colors	Black
Cable Management	L-shape stand

Audio

Speakers

Camera

Camera

Ports ,Connectivity & OS

USB	2 x USB 3.0 (Type-A; downstream) 1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)
HDMI	2 x HDMI 2.1 (ARC; eARC)
Display Port	1 x DisplayPort 1.4
Audio Port	1 x 3.5 mm Audio Out (4-pole; sound+mic)
Other Connectivity	HDCP 2.3

Functional features

Gamming Features

4-Side Virtually Borderless Design
AMD FreeSync Premium
Apple AirPlay
Auto Input Switch
Black Stabilizer
Color Calibrated
Color Weakness Mode
Crosshair
Display Stream Compression (DSC)
Dual Controller
Dynamic Action Sync
Dynamic Tone Mapping
Factory calibrated
Flicker-free technology
FPS Counter
Game Optimizer
HDR Effect
LG Switch
Low Blue Light
NVIDIA G-Sync Compatible
Picture-by-Picture
Picture-in-Picture
Picture Mode
Reader Mode
RGB Hexagon LED Lighting
Smart Energy Saving
ThinQ App
True Color Pro
User Define Key
VESA AdaptiveSync Display
VESA ClearMR 13000