TurboVS
LG UltraGear OLED 39GX90SA-W 39" specifications and in-depth review

LG UltraGear OLED 39GX90SA-W 39"

Manufacturer: LG

The LG UltraGear OLED 39GX90SA-W 39″ is a curved, ultrawide gaming monitor designed to deliver an immersive experience. It features a 39-inch OLED display with vibrant colors and a sleek, matte finish, making it suitable for both casual and competitive gamers.

This monitor offers impressive specifications, including a 240Hz refresh rate and a rapid 0.03 ms response time for smooth gameplay. It supports Nvidia G-Sync and AMD FreeSync Premium, ensuring tear-free visuals. With a resolution of 3440 x 1440 px, a contrast ratio of 1500000:1, and 178º viewing angles, it provides exceptional image quality from almost any angle.

Pros
  • Supports a 240Hz refresh rate for smooth gameplay and responsiveness.
  • Equipped with PiP (Picture-in-Picture) functionality for multitasking.
  • Has a matte panel, reducing glare for a more comfortable viewing experience in bright environments.
  • Offers color calibration support, ensuring accurate color reproduction.
  • Features a remote control for convenient navigation and adjustments.
Cons
  • Does not support VESA mounting, limiting mounting flexibility.
  • Lacks built-in stereo speakers, requiring external audio solutions.
  • Does not support portrait mode, limiting screen orientation options for certain tasks.
  • No Thunderbolt or Ethernet support, limiting connectivity options for some users.
  • Lacks support for advanced audio formats like Dolby Digital or DTS Surround.
Who is this for?

The LG UltraGear OLED 39GX90SA-W 39″ is well-suited for gamers and content creators who prioritize high refresh rates and smooth, responsive gameplay. Its 240Hz refresh rate and ultra-low 0.03 ms response time make it an excellent choice for fast-paced gaming, while its OLED display ensures vibrant colors and deep contrasts. The inclusion of PiP functionality is ideal for users who need to multitask, providing flexibility for both work and play.

Who is this NOT for?

This monitor is not ideal for users who need a flexible mounting solution or want to use the monitor in portrait mode, as it lacks VESA mounting support and portrait orientation. It may also not be suitable for those seeking an all-in-one multimedia solution, as it does not include built-in speakers, advanced audio formats like Dolby Digital, or smart TV capabilities. Additionally, its limited connectivity options, including the absence of Ethernet and Thunderbolt, may be a drawback for users requiring more extensive connectivity options.

Display:

Display type OLED/AMOLED
response time 0.03 ms
screen size 39"
resolution 3440 x 1440 px
pixel density 95 ppi
Adaptive synchronization Nvidia G-Sync Compatible, AMD FreeSync Premium
has anti-glare coating ✓
refresh rate 240Hz
maximum horizontal viewing angle 178º
maximum vertical viewing angle 178º
has a matte panel ✓
has a glossy panel ✕
has a touch screen ✕

The LG UltraGear OLED 39GX90SA-W 39″ features a stunning OLED display with a 240Hz refresh rate and a rapid 0.03 ms response time, delivering smooth and vibrant visuals. Its resolution of 3440 x 1440 px ensures crisp image quality, while the 178º horizontal and vertical viewing angles provide excellent clarity from any perspective. The monitor also boasts an anti-glare matte panel for reduced reflections and a more comfortable viewing experience. It supports both Nvidia G-Sync and AMD FreeSync Premium for tear-free gaming.

General info:

Type Gaming, Curved, Ultrawide
release date March 2025
supports total tilt ✓
Has a swivel stand ✓
Supports VESA mount ✕
height 404 mm
width 887 mm
thickness 198 mm
weight 11450 g
supports portrait mode ✕
volume 70952.904 cm³

The LG UltraGear OLED 39GX90SA-W 39″ is a gaming monitor with a curved, ultrawide design that enhances immersion. It features a height of 404 mm, width of 887 mm, and a thickness of 198 mm, offering a sizable and robust build. The monitor supports total tilt and has a swivel stand for flexible positioning. While it does not support portrait mode or VESA mounting, it provides ample screen real estate with a volume of 70952.904 cm³ and a weight of 11.45 kg for a stable, versatile setup.

Colors:

brightness (typical) 250 nits
supports color calibration ✓
bit depth 10-bit
contrast ratio 1500000:1

The LG UltraGear OLED 39GX90SA-W 39″ offers a 10-bit color depth for richer, more accurate colors, making it ideal for detailed visuals. It supports color calibration to ensure the most accurate color reproduction, while the contrast ratio of 1500000:1 provides deep blacks and vibrant highlights. The monitor has a typical brightness of 250 nits, making it suitable for a variety of lighting conditions.

Connectivity:

HDMI ports 2
supports Thunderbolt ✕
DisplayPort outputs 1
DisplayPort version DisplayPort 1.4
has a socket for a 3.5 mm audio jack ✕
has a DVI connector ✕
USB ports 3
Has USB Type-C ✓
supports Ethernet ✕
supports Wi-Fi ✕
has AirPlay ✕
mini DisplayPort outputs 0
has a VGA connector ✓

The LG UltraGear OLED 39GX90SA-W 39″ offers a variety of connectivity options, including 2 HDMI ports and a DisplayPort 1.4 output. It also features 3 USB ports and a USB Type-C connection for added flexibility. However, it does not support Thunderbolt, Ethernet, or Wi-Fi, and lacks a 3.5 mm audio jack, DVI connector, or AirPlay capability. Additionally, a VGA connector is available for legacy devices.

Power:

standby power consumption 0.5W

The LG UltraGear OLED 39GX90SA-W 39″ features a standby power consumption of just 0.5W, making it an energy-efficient choice when not in use. This low power usage helps reduce overall energy consumption while the monitor is idle, contributing to an eco-friendly setup.

Features:

has PiP ✓
has stereo speakers ✕
has built-in smart TV ✕
has a remote control ✓
supports Dolby Digital ✕
supports Dolby Digital Plus ✕
has DTS Surround ✕
has an ambient light sensor ✕
has a front camera ✕

The LG UltraGear OLED 39GX90SA-W 39″ includes several useful features, such as Picture-in-Picture (PiP) functionality for multitasking and a remote control for easy operation. While it lacks stereo speakers, built-in smart TV capabilities, and support for advanced audio technologies like Dolby Digital and DTS Surround, it offers convenient control options for a more streamlined user experience.

Final Verdict

The LG UltraGear OLED 39GX90SA-W 39″ is a high-performance gaming monitor designed for users who prioritize smooth, high-speed gameplay and vibrant visuals. With its 240Hz refresh rate and OLED technology, it offers a premium experience for fast-paced games and content creation. While it excels in connectivity flexibility and image quality, its lack of VESA support and advanced audio options may limit its appeal to users seeking a more all-in-one solution. Overall, it's an excellent choice for gamers and multitaskers looking for an immersive visual experience, but less suited for users needing broader connectivity or built-in audio features.