The LG UltraGear 45GX90SA-B is a 45-inch (44.5" screen) curved OLED gaming monitor with a 21:9 aspect ratio and WQHD (3440 × 1440) resolution. The screen has an 800R curve and an anti-glare, low-reflection surface. It refreshes at 240Hz with a 0.03ms (GtG Faster) response time.
It supports NVIDIA G-Sync Compatible, VESA Adaptive Sync and AMD FreeSync Premium. HDR support includes HDR10 and VESA DisplayHDR True Black 400, with 1300 cd/m² peak brightness (@HDR 1.5% APL). Gaming features include Black Stabilizer, Crosshair, Dynamic Action Sync and an FPS Counter. RGB LED and Hexagon lighting are built in.
It is also a smart monitor running webOS 24, with Wi-Fi, Bluetooth, AirPlay, Screen Share, a web browser and a USB media player. Voice recognition requires the Magic Remote, which is sold separately. The stand tilts, swivels and adjusts in height, and the base detaches.
- Screen size
- 44.5" curved OLED, 800R
- Resolution
- WQHD (3440 × 1440), 21:9
- Refresh rate
- 240Hz
- Response time
- 0.03ms (GtG Faster)
- Brightness
- 275 cd/m² typical, 250 cd/m² minimum, 1300 cd/m² peak (@HDR 1.5% APL)
- Contrast ratio
- 1.5M:1 (Typ.)
- Color
- DCI-P3 98.5% (CIE1976), 1.07B color depth, factory calibrated
- Pixel pitch
- 0.303 × 0.303 mm
- Viewing angle
- 178° (R/L, U/D)
- Surface
- Anti-glare, low-reflection
- HDR
- HDR10, VESA DisplayHDR True Black 400
- Sync
- NVIDIA G-Sync Compatible, VESA Adaptive Sync, AMD FreeSync Premium
- Display features
- VESA DSC, True Color Pro, PBP, PIP, Reader Mode, Auto Brightness, Smart Energy Saving
- Smart features
- webOS 24, Wi-Fi, Bluetooth, AirPlay, Screen Share, Remote Desktop, Home Hub, LG ThinQ App, Quick Start, web browser, USB media player
- Video inputs
- 2 x HDMI 2.1, 1 x DisplayPort 1.4 (HDCP 2.3), 1 x USB-C (data + 65W Power Delivery)
- USB
- 1 x USB upstream, 2 x USB 2.0 downstream
- Other ports
- Headphone out, LAN
- Audio
- Built-in speaker, equalizer
- Stand
- Tilt -1° to 15°, swivel -10° to 10°, height adjustment 120mm, detachable base, one-click setup
- Wall mount
- 100 × 100mm
- Power
- 100–240V (50/60Hz), external adapter
- Power use
- 92W typical, under 0.5W in sleep mode
- Dimensions with stand
- 39.1" × 26.1"/21.3" × 13.3"
- Dimensions without stand
- 39.1" × 18" × 8.6"
- Weight
- 29.8 lb with stand, 19.6 lb without stand
- In the box
- USB Type-C cable, DisplayPort cable, HDMI cable, remote control
- Warranty
- 2 years parts and labor, limited
- Country of origin
- China