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45GX90SA-B Copy Model Name
45-inch OLED 240Hz WQHD Curved Smart Gaming Monitor with 240Hz refresh rate/ 0.03ms (GtG) response time

Key Features

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45-inch OLED 240Hz WQHD Curved Smart Gaming Monitor with 240Hz refresh rate/ 0.03ms (GtG) response time
Where to Buy
TAB 1
STREAMING
STREAMING
UltraGear™ OLED GX9s Logo image. UltraGear™ OLED GX9s Logo image.

Streaming to Gaming
240Hz Curved OLED Smart

Front image of the UltraGear™ 45gx90sa gaming monitor. Front image of the UltraGear™ 45gx90sa gaming monitor.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Image-summary Image-summary

  • STREAMING

    webOS
    AI Picture
    Dynamic Tone Mapping
    AI Personalized Picture Wizard
    AI Sound

  • WINNING

    45-inch WQHD Curved OLED
    DisplayHDR True Black 400 & DCI-P3 98.5%
    0.03ms (GtG) & 240Hz
    ClearMR 13000
    AMD FreeSync™ Premium
    NVIDIA® G-SYNC® Compatible

  • CONNECTING

    USB-C (PD 65W) & HDMI 2.1
    LG Switch app
    Sleek design with clutter-free L stand

Tap anchor-streaming. Tap anchor-streaming.

The webOS-powered
smart gaming monitor

Introducing the 45-inch webOS-powered smart gaming monitor with LG AI, relaxing during game breaks with effortless streaming, including free LG Channels and numerous streaming options. Plus, access high-performance cloud gaming without a separate PC or console, all easily controlled with the remote for added convenience.
The video shows a front-facing monitor on a desk, alternating between webOS images and gameplay visuals. The video shows a front-facing monitor on a desk, alternating between webOS images and gameplay visuals.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Internet connection and subscription to related streaming services are required. Separate subscriptions or payments may be required, and they are not provided (purchased separately).
*Supported services may differ by country.
*Applies only to content produced in a 21:9 aspect ratio. For streaming content, platform restrictions may apply.
*The Remote Control is included in the package.
  • The smart monitor screen placed on the table displays the MUSIC APP screen. The smart monitor screen placed on the table displays the MUSIC APP screen.
    Music

    Curated to your tastes

    Enjoy customized music immersively with 7W x 2 stereo speakers. You can search for music easily and access recently played songs from your streaming services quickly. Also, it recommends popular songs based on your preference.
  • The smart monitor screen placed on the table displays the SPORTS APP screen. The smart monitor screen placed on the table displays the SPORTS APP screen.
    Sports

    Follow your favorite teams

    Support your team with personalized service. It shows updated information on your favorite sports team based on your profile.
Stop
*The images simulated to enhance feature understanding. It may differ from actual use.
*The above keyboard, mouse, headset, and game controller are not included in the package (sold separately).
*Internet connection and subscription to related streaming services are required. Separate streaming services may require a subscription payment, and they are not provided (purchased separately).
*Supported services may differ by country.
AI Picture

Sharper characters,
enhanced realism

With AI Picture, it delivers lifelike game visuals that highlight faces and bodies, reduce noise, and add depth. Every detail, from subtle expressions to enemy movements, is easy to catch, ensuring a focused screen for total immersion in gaming or streaming.
Comparison images with AI Picture function on and off. Comparison images with AI Picture function on and off.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Not available in PC connection and Game Optimizer mode.
Dynamic Tone Mapping

Come alive with brightness and contrast

Enjoy visuals as they were meant to be seen, with Dynamic Tone Mapping adjusting brightness and contrast for optimal detail and realism. Movies and games come alive with rich immersion and consistent quality across all content.
Comparison video before and after applying the Dynamic Tone Mapping feature. Comparison video before and after applying the Dynamic Tone Mapping feature.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Available only when HDR video signal is input.
AI Personalized Picture Wizard

Crafted for your taste

Pick an image you like, and AI Personalized Picture Wizard will find your perfect match from 85 million choices, saving it to your profile. Get ready to level up your gaming and video experience with a look that's uniquely you.
Animated video of AI Personalized Picture Wizard function in action. Animated video of AI Personalized Picture Wizard function in action.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
AI Sound

Detect, distinguish, fine-tuned sound

Detects your space and delivers perfectly tuned audio through a simulated 9.1 channel setup, pinpointing sound locations for a tactical edge without the need for extra speakers or headsets. Also, it distinguishes the gamer's voice from ambient sound, adjusting voice levels and clarity to keep you focused on your game.
Experience rich and immersive sound with AI Sound. Experience rich and immersive sound with AI Sound.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Tap anchor-winning. Tap anchor-winning.

UltraWide view with deep black OLED

The 45-inch WQHD (3440x1440) display offers a 34% wider view than standard 16:9 screens and provides 12% larger screen than 49-inch 32:9 monitors. This WQHD OLED represents boldly darker shadows, brighter lights, and vibrant colors for gameplay in any environment.
This animated monitor shows the display growing from QHD to WQHD. This animated monitor shows the display growing from QHD to WQHD.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*The figures are calculated by multiplying the actual width and height dimensions of a 21:9 45-inch monitor (4,550㎠) and a 32:9 49-inch monitor (4,059㎠).
Planetary images appear brighter and clearer on LG OLED monitors. Planetary images appear brighter and clearer on LG OLED monitors.

The brightest OLED**

Experience stunning visuals with LG WOLED. Built on LG's OLED leadership and featuring Micro Lens Array+ (MLA+) technology, it delivers up to 37.5% brighter SDR, optimizing light efficiency and minimizing loss. It represents a standard luminosity of 275 nits (APL 100%) and a peak brightness of 1300 nits (APL 1.5%). With Delta E ≦ 2 color accuracy, it ensures vivid, true-to-life colors for immersive, precise gaming even in bright environments.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
**Among LG OLED gaming monitors with MLA+. SDR brightness is 37.5% higher than our previous models (27GR95QE, 45GR95QE) based on published specifications.

The ideal curvature 800R

Immerse in the 800R curve designed to match natural sight, placing you at the core of its curvature. Dive into vivid, distortion-free graphics as you explore the gaming universe.
An animated video transitioning from a front view to a top view of a curved monitor. An animated video transitioning from a front view to a top view of a curved monitor.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*The viewing experience may vary depending on the distance from the screen and the user's posture.
Knight in black armor with a bird in a medieval hall, highlighting DCI-P3 98.5% and DisplayHDR 400.

Deeper black,
realistic color

Experience unparalleled depth and vibrant realism with VESA DisplayHDR true black 400, delivering detailed black expression even in the darkest scenes. With a 1.5M contrast ratio, DCI-P3 98.5% (typical) color gamut, and Delta E ≦2 color accuracy ensures that colors are displayed with realistic detail, just as originally intended.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*1.5M:1 is the contrast ratio at 25% APL (Average Picture Level) value which is given as a percentage and refers to the value between the black level and the reference level for white.

Advanced anti-glare technology certified by triple UL

LG WOLED’s advanced anti-glare technology minimizes frustrating reflections and distractions, delivering crystal-clear gaming performance by maintaining consistent clarity in any lighting. Additionally, with Triple UL certification for reducing harmful blue light while preserving vivid color tones and lifelike visuals, it provides visual comfort and a smoother gaming experience—whether you’re gaming in bright environments or LED-lit rooms.
Curved gaming monitor showing a robot character in a futuristic setting, with UL certifications below. Curved gaming monitor showing a robot character in a futuristic setting, with UL certifications below.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*LG OLED panels have been certified as Flicker-Free, Discomfort Glare Free, and Low Blue Light by UL.
*Certificate Number: Flicker-Free Display (OLED) - A196009, Discomfort Glare Free - V563481 (conditions of UGR less than 22), Low Blue Light Hardware Solution Platinum - V745051.
*The above feature may vary depending on the user’s computing environment or conditions.
Racing game scene of extremely fast 0.03ms (GtG) response and a rapid 240Hz refresh rate. Racing game scene of extremely fast 0.03ms (GtG) response and a rapid 240Hz refresh rate.

0.03ms (GtG) speed,
240Hz smooth gameplay

To bring you a swift 0.03ms (GtG) response and a rapid 240Hz refresh rate, reducing reverse ghosting for crystal-clear, fluid visuals. Dive into more immersive gameplay with every frame.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Sharper gameplay from
VESA ClearMR 13000

With VESA ClearMR 13000 certification, experience every movement as sharp as a still image, thanks to dramatically reduced motion blur for unparalleled gaming clarity.
Image of a green car racing on a track. Image of a green car racing on a track.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Certified with a widely adopted technology

Powered by AMD FreeSync™ Premium and NVIDIA-validated G-SYNC® compatibility, this monitor ensures tear-free, ultra-smooth visuals and low latency, delivering unmatched gaming precision and fluidity.
Logos of NVIDIA G-SYNC, AMD FreeSync Premium. Logos of NVIDIA G-SYNC, AMD FreeSync Premium.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*The performance of the feature is compared to the models not applying the sync technology.
*Errors or delays may occur depending on the network connection.
Demonstrates advanced game features with various gameplay scenes.

Advanced gaming features

•Low Latency reduces input lag for real-time response.
•Black Stabilizer brightens dark scenes, helping gamers spot enemies and details.
•Crosshair enhances precision for deadly accuracy.
•FPS Counter shows your real-time frame rate.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*The Crosshair feature is unavailable while FPS Counter is activated.
*FPS Counter may display the value that exceeds the monitor’s maximum refresh rate.
*FPS (Frame Per Second) Counter: Measurement of frames per second.
1-YEAR BURN-IN WARRANTY for UltraGear OLED gaming monitor. 1-YEAR BURN-IN WARRANTY for UltraGear OLED gaming monitor.

1-YEAR WARRANTY for UltraGear OLED gaming monitors

1 years from the date of original retail purchase and internal and functional parts only, including OLED Display Panel.
*Limited warranty. Terms and conditions may vary by country.
Tap anchor-connecting Tap anchor-connecting

All-in-One USB-C for responsive gaming

Connect your laptop to the monitor with a USB-C cable for up to 65W power delivery, eliminating the need for a separate adapter. Enjoy WQHD resolution and a 240Hz refresh rate via DP 1.4 or HDMI 2.1, ensuring your gaming remains uninterrupted.
A 45-inch gaming monitor is positioned in the center of the desk, with various IT devices placed around it. A 45-inch gaming monitor is positioned in the center of the desk, with various IT devices placed around it.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*To work properly, the USB-C cable is required to connect the USB-C port to the monitor.
*It supports up to QHD@240Hz refresh rate. To work properly, a graphic card that supports DP 1.4 or HDMI 2.1 cable is required.
*The graphics card is NOT included in the package.
*USB-C, DP, and HDMI cables are included in the package.
This animated video shows how the LG Switch app optimizes the monitor for both gaming and everyday life. This animated video shows how the LG Switch app optimizes the monitor for both gaming and everyday life.

Easy to optimize effortlessly with LG Switch

The LG Switch app optimizes your monitor for both work and life. You can easily split the display into up to 11 options, change the theme design, or launch a video call platform with a mapped hotkey. Plus, you can quickly navigate and select smart functions with the keyboard and mouse, while seamlessly switching between your PC and webOS using shortcut keys.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*To download the latest version of the LG Switch app, visit LG.com.

LG Switch app tutorial

Adjust your monitor settings effortlessly with LG Switch app.
This video shows how to set up your monitor with the LG Switch app. This video shows how to set up your monitor with the LG Switch app.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Clutter-free, sleek design

The clutter-free L-stand and sleek design are crafted to save desk space and minimize dead zones, making your setup clean and efficient. Experience hexagon lighting and a virtually borderless 4-sided design, paired with a fully adjustable base for swivel, tilt, and height adjustments.
Curved gaming monitor displaying an action-adventure game in a vibrant gaming setup with purple lighting and a PC tower nearby. Curved gaming monitor displaying an action-adventure game in a vibrant gaming setup with purple lighting and a PC tower nearby.

Swivel adjustable icon. Swivel

Tilt adjustable icon. Tilt

Height adjustable icon. Height

Borderless design icon. Borderless design

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
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SIZE/RATIO
  • Size
    45”
    Resolution
    WQHD+
    3440 x 1440
  • PPI
    110PPI
EXCELLENT PICTURE QUALITY
  • Panel
    Curved WOLED (800R)
    Brightness (Typ.)
    275 Nits
  • Color Space (Typ.)
    DCI-P3 98.5%
    Color Calibrated
    Yes
  • HDR
    VESA DisplayHDR™ TrueBlack 400
    VESA ClearMR
    13,000
  • Pixel Dimming
    Ultimate Contrast Ratio with OLED Pixel Dimming
DESIGN
  • 3-Side Virtually Borderless Design
    Yes (4-Side Virtually Borderless Design)
EYE-COMFORT
  • Reader Mode
    Yes
INTERFACE
  • USB Type-C™
    Yes (PD 65W)
    DisplayPort
    Yes (1.4)
  • HDMI
    Yes
Game
  • Adaptive Sync
    NVIDIA® G-SYNC® Compatible, AMD FreeSync™ Premium Pro, HDMI™ 2.1 VRR
    Crosshair
    Yes
  • FPS Counter
    Yes
    Game Mode
    Yes
  • Black Stabilizer
    Yes
    Dynamic Action Sync
    Yes
  • Hexagonal Lighting
    Yes
SW
  • LG Switch
    Yes
Convenience
  • Stand
    Tilt (-1 ~ 15°)
    Swivel (-10 ~ 10°)
    Height (120mm)
    Wall Mountable (100x100)
    Smart Energy Saving
    Yes
  • Auto Input Switch
    Yes
    User Defined Key
    Yes
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*Prices, promotions and availability may vary by store and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for final price and availability.
With an LG computer monitor you’ll discover cutting-edge display technology and slim designs, from the LG 21:9 UltraWide monitors to our latest TV monitors, which offer state-of-the-art display and features. You’ll get a new outlook on life with 2 in 1 TV+Monitors and other IT products from LG. LG makes life good.