LG 39GX90SA-W

3440 x 1440 pixels, 39"
8Ratings
BrandMore from LG
Test reportsVery good based on 1 test
Energy Label G
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Only 4 pieces in stock
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Display size (inches)2

Product details

39-inch Curved W-OLED Monitor LG 39GX90SA-W

An impressive image with smooth rendering. The curved OLED panel offers an immersive viewing experience with vibrant colors and deep blacks. With a high refresh rate and lightning-fast response time, even fast movements remain crystal clear.

Limitless design for fluid gaming. The nearly bezel-less design maximizes screen space and minimizes distractions. With a refresh rate of 240 Hz and a response time of 0.03 ms (GtG), delays are kept to a minimum, making it perfect for demanding games and dynamic content.

Versatile connections and flexible setup. Thanks to HDMI 2.1, DisplayPort 1.4, and USB-C, the monitor offers numerous connection options for PCs, consoles, and other devices. Height adjustment, tilt, and swivel functions ensure comfortable use in any environment.

Features:

  • 39-inch WQHD OLED display with high color accuracy
  • 800R curvature for an immersive image
  • 240 Hz refresh rate and 0.03 ms response time for smooth movements
  • NVIDIA G-SYNC and AMD FreeSync Premium for tear-free gaming
  • Numerous connections: HDMI 2.1, DisplayPort 1.4, USB-C with 65W Power Delivery
  • Height adjustable, tiltable, and rotatable for ergonomic use
  • Integrated 7W speakers for clear sound
  • Dimensions with stand (WxHxD): 888 x 606 x 323 mm
  • Dimensions without stand (WxHxD): 888 x 404 x 198 mm
  • Weight with stand: 11.45 kg
  • Weight without stand: 7.3 kg.

Key specifications

Monitor type
Curved monitor, Gaming monitor
Display resolution
WQHD
Display technology
OLED
Refresh rate
240 Hz
Monitor equipment
Integrated loudspeakers, Integrated USB hub
Video connections
DisplayPort (1x), DisplayPort (2x), HDMI (2x)
USB ports
USB-A, USB-C
Documents
Technical data sheet.pdf

General information

Item number
58185356
Manufacturer
LG
Category
Monitor
Manufacturer No.
39GX90SA-W.AEU
Release date
5.5.2025
Sales rank in Category Monitor
734 of 3576
External links
Manufacturer's site (de)
May include power adapter
Yes

Colour

Colour
White
Exact colour description
White

Display properties

Monitor type
Curved monitor, Gaming monitor
Display size (inches)
39"
Screen size (cm)
99 cm
Image resolution
3440 x 1440 pixels
Display resolution
WQHD
Pixel pitch
0.27 mm
Display
OLED
Display technology
OLED
Refresh rate
240 Hz
Aspect ratio
21:9
Screen surface
Anti-glare
Contrast ratio
1500000:1
Response time (grey-to-grey)
0.03 ms
Brightness
275 cd/m²
Colour depth
10 bits
Colour space coverage
DCI-P3: 98.5%, DCI-P3: 99%.
Viewing angle (H)
178°
Viewing angle (V)
178°
Screen curvature
800R

Features + Functions

Monitor equipment
Integrated loudspeakers, Integrated USB hub
Connectivity
Bluetooth, HDMI, USB
Touch
Without touch function
Sync-Technology
AMD freesync, AMD Freesync Premium, NVIDIA G-Sync
Dynamic range
HDR, HDR10
HDR Certification
Vesa DisplayHDR True Black 400

Mounting + Ergonomics

Adjustability
Height-adjustable, Pivoting, Tiltable
VESA wall mount
100 x 100 mm

Connections

Video connections
DisplayPort (1x), DisplayPort (2x), HDMI (2x)
HDMI + DP version
Display port 1.4, HDMI 2.1
USB ports
USB-A, USB-C
Exact USB ports
USB-A 3.0 (2x)
Audio Connections
Headphone output (1x)
Network connections
RJ45 (1x)

Power supply

USB Type C Power supply
65 W

Power

Power consumption
67 W
Power consumption (standby)
0.50 W
Power consumption (Off)
0.50 W

Energy declaration

Energy efficiency class
G

Origin

Country of origin
China

Sustainability

Manufacturer commitment
RE100, SBTi

Voluntary climate contribution

CO₂ emissions
136.76 kg
Climate contribution
CHF 3.25

Scope of delivery

Scope of delivery
Stand

Product dimensions

Width
887.80 mm
Length
322.80 mm
Height
605.70 mm
Weight
11.45 kg

Package dimensions

Length
99 cm
Width
55 cm
Height
34 cm
Weight
12 kg

30-day right of return
24 Months Warranty (Bring-in)
3 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Monitor» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 18.Xiaomi
    1.4 %
  • 20.Acer
    1.5 %
  • 21.LG
    1.6 %
  • 21.Viewsonic
    1.6 %
  • 23.ASUS
    1.8 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 17.BenQ
    7 days
  • 17.Lenovo
    7 days
  • 17.LG
    7 days
  • 17.Minix
    7 days
  • 22.Gigabyte
    19 days

Return rate

How often is a product of this brand in the «Monitor» category returned?

Source: Digitec Galaxus
  • 16.AsRock
    3.9 %
  • 17.Viewsonic
    4 %
  • 18.LG
    4.2 %
  • 18.Xiaomi
    4.2 %
  • 20.Verbatim
    4.3 %
Source: Digitec Galaxus

Translation: machine translated
Very good92/100
Computer Bild Logo
Computer BildSingle testReleaseSeptember 2025
  • PositiveVery high refresh rate
  • PositiveSmart TV
  • PositiveUSB-C with DisplayPort
  • NegativeUSB type A ports only in version 2.0

The LG UltraGear 34GX90SA-W has a 240 Hertz OLED display with 800R curvature, which draws gamers deep into the gaming action. The UltraGear stands out from the crowd thanks to its Smart TV suitability, which enables streaming titles to be played in HDR. The Samsung Odyssey OLED G8 in 34 inches can also do the latter. However, it has no USB-C and only 175 hertz, but is 250 euros cheaper.

This test report belongs to a different type: 34GX90SA-W (3440 x 1440 pixels, 34")