The LG UltraGear 45GX90SA-B is a 45-inch curved OLED gaming monitor boasting a 3440x1440 (WQHD) resolution, 240Hz refresh rate and 0.03ms response time, delivering ultra-smooth performance for fast-paced games. Its 800R curvature, VESA DisplayHDR True Black 400 certification, and support for NVIDIA G-SYNC and AMD FreeSync Premium Pro ensure immersive visuals with deep blacks and vibrant colours, while built-in webOS 24 adds smart TV features like streaming apps and cloud gaming.
Features
LG UltraGear™ GX9s 45-inch OLED 240Hz WQHD Curved Smart Gaming Monitor | webOS, 0.03ms (GtG), 240Hz, DisplayHDR True Black 400
Streaming to Gaming
- 45-inch WQHD (3440x1440) OLED display
- 240Hz refresh rate/ 0.03ms (GtG) response time
- webOS
- AI Picture / Dynamic Tone Mapping / AI Personalised Picture Wizard / AI Sound
- NVIDIA® G-SYNC® Compatible / AMD FreeSync™ Premium / VESA Certified AdaptiveSync
- Hexagon lighting design with space-saving L stand
Streaming
- webOS
- AI Picture
- Dynamic Tone Mapping
- AI Personalised Picture Wizard
- AI Sound
The webOS-Powered Smart Gaming Monitor
Meet the 45-inch webOS-powered smart gaming monitor with LG AI. Relax during game breaks with effortless streaming of your favourite content on 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.
Internet connection and subscription to related streaming services are required and must be purchased separately.
The Remote Control is included in the package.
Music - Curated to Your Tastes
Enjoy immersive and customised music 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.
Sports - Follow Your Favourite Teams
Get updated information on your sports teams based on your profile.
The above keyboard, mouse, headset, and game controller are not included in the package and must be purchased separately.
Internet connection and subscription to related streaming services are required. Separate streaming services may require a subscription payment, and should be purchased separately.
AI Picture - Sharp Characters, Enhanced Realism
AI Picture 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.
Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Not available in PC connection and Game Optimiser 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.
Available only when HDR video signal is input.
AI Personalised Picture Wizard - Crafted for Your Taste
Pick an image you like, and AI Personalised 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.
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.
Winning
- 45-inch WQHD Curved OLED
- DisplayHDR True Black 400 & DCI-P3 98.5%
- 0.03ms (GtG) & 240Hz
- AMD FreeSync™ Premium
- VESA Certified AdaptiveSync
- NVIDIA® G-SYNC® Compatible
UltraWide View with Deep Black OLED
The 45-inch WQHD (3440x1440) display offers a 34% wider view than standard 16:9 screens, delivering sharp and clear visuals across the expansive display. For gameplay anywhere, this WQHD OLED displays bold and dark shadows, bright lighting, and vibrant colours.
Brighter 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, optimising light efficiency and minimising loss. It represents a standard luminosity of 275 nits (APL 100%) and a peak brightness of 1300 nits (APL 1.5%), ensuring vivid, true-to-life colours for immersive, precise gaming even in bright environments. (Among LG OLED gaming monitors with MLA+. SDR brightness is 37.5% higher than LG's previous models (27GR95QE, 45GR95QE) based on published specifications.)
Go Wide, Not Short - The 21:9 UltraWide Sweet Spot for Gaming
No more fisheye experience to see both sides of any 32:9 ratio panel at once. Thanks to the balanced and optimised aspect ratio, the 21:9 curved OLED monitor provides an immersive experience for both gaming and other forms of entertainment content.
The viewing experience may vary depending on the distance from the screen and the user's posture.
Images have been simulated to enhance feature understanding, and may differ from actual use experience.
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.
Deep Black, Realistic Colour
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:1 contrast ratio and DCI-P3 98.5% (typical) colour gamut, colours are displayed with realistic detail, just as originally intended.
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 minimises frustrating reflections and distractions, delivering crystal-clear gaming performance by maintaining consistent clarity in any lighting. Additionally, with Triple UL certification (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.) for reducing harmful blue light while preserving vivid colour tones and lifelike visuals, it provides visual comfort and a smoother gaming experience — whether you’re gaming in bright environments or LED-lit rooms.
Images have been simulated to enhance feature understanding, and may differ from actual use experience.
0.03ms (GtG) Speed, 240Hz Smooth Gameplay
Experience swift 0.03ms (GtG) response and a rapid 240Hz refresh rate, reducing reverse ghosting for crystal-clear, fluid visuals. Dive into immersive gameplay with every frame.
Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Certified with Widely Utilised Technologies
Powered by AMD FreeSync™ Premium, NVIDIA-validated G-SYNC® compatibility, and VESA AdaptiveSync™ certification, this monitor ensures tear-free, ultra-smooth visuals and low latency, delivering unmatched gaming precision and fluidity.
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.
Advanced Gaming Features
- Low Latency reduces input lag for real-time response.
- Black Stabiliser brightens dark scenes, helping gamers spot enemies and details.
- Crosshair enhances precision for deadly accuracy.
- FPS Counter shows your real-time frame rate.
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.
Connecting
- USB-C (PD 65W) & HDMI 2.1
- LG Switch app
- Sleek design, with L stand to minimise clutter
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 adaptor. Enjoy WQHD resolution and a 240Hz refresh rate via DP 1.4 or HDMI 2.1, ensuring your gaming remains uninterrupted.
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 and must be purchased separately.
The graphics card is NOT included in the package.
USB-C, DP, and HDMI cables are included in the package.
Optimise Effortlessly with LG Switch
The LG Switch app optimises your monitor for both work and life. You can easily split the display into up to 11 sections, 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.
To download the latest version of the LG Switch app, visit LG.com.
Sleek Design, Minimised Clutter
The L-stand is crafted to save desk space and minimise 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.
Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Backed by a 2 year LG warranty.
