LG 45GX990A – Price and Specifications

$1,899.00
Brand: lg
Category: Monitor
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Available Official

Display 44.5 in, OLED, 5120 x 2160 pixels (Dual 5K)
Refresh rate 48 Hz - 165 Hz (WUHD 165Hz / WFHD 330Hz)
Dimensions 992 x 461 x 226 mm (without stand)
Weight 9.4 kg (without stand)
Brightness: 275 cd/m² (typical), 1300 cd/m² peak

Our Rating

The overall rating is based on review by our experts

9.3

Design 9 / 10
Display 10 / 10
HDR 10 / 10
Refresh Rate 9 / 10
Connectivity 9 / 10
Ergonomics 9 / 10

PROS

Immersive Ultrawide OLED – 44.5" curved OLED with 5120×2160 resolution for stunning visuals.
High Brightness & HDR – 1300 nits peak with DisplayHDR 400 True Black.
Smooth Gameplay – 165Hz refresh, 0.03ms response, FreeSync Premium Pro & G-Sync support.
Strong Connectivity – HDMI 2.1, DisplayPort 2.1, USB-C (90W PD), and USB-A ports.
Ergonomic & Gaming Features – Height adjustable, Crosshair, FPS counter, RGB lighting, PiP/PbP.

CONS

Very Large & Heavy – 9.4 kg and wide design may need a big desk.
Moderate Power Use – 66W average, higher than smaller OLEDs.
No Pivot Option – Can’t rotate for portrait use.
No Built-in Speakers/Camera – Requires external setup for audio & video calls.
Premium Pricing Likely – High-end OLED ultrawide with DP 2.1 will be costly.

Full Specifications

Basic Information

Brand	LG
Model	45GX990A
Model Year	2025

Dimensions & Weight

Dimensions With Stand	992 x 461 x 226 mm
Dimensions Without Stand	992 x 546 x 342 mm (with stand)
Weight	9.4 kg

Display

Size	44.5 in
Radius of curvature	900 mm curvature
Panel Type	OLED (LG Display)
Resolution	5120 x 2160 pixels
Coating	Anti-glare/Matte with AGLR

Picture Quality

Response Time & Input Lag

Refresh Rate & VRR

Ergonomics & Design

VESA Mount	Yes,100 x 100 mm
Removable stand	Yes
Height adjustment	Yes,120 mm
Landscape/portrait pivot	No
Left/right swivel	Yes
Forward/backward tilt	Yes,10 ° / 15 °
Design Colors	Black
Cable Management	-
Lighting	-

Audio

Camera

Ports ,Connectivity & OS

USB	1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode) 2 x USB 3.2 (Type-A; downstream)
HDMI	2 x HDMI 2.1
Display Port	1 x DisplayPort 2.1 (UHBR13.5)
Audio Port	1 x 3.5 mm Audio Out (4-pole; DTS Headphone:X)
Other Connectivity	High-bandwidth Digital Content Protection (HDCP)

Functional features

Gamming Features

4-Side Virtually Borderless Design
AMD FreeSync Premium Pro
Auto Input Switch
Black Stabilizer
Color Calibrated
Color Weakness Mode
Crosshair
Dual Controller
Dynamic Action Sync
FPS Counter
Factory Calibration
HDR Effect
NVIDIA G-Sync Compatible
Picture-by-Picture
Picture-in-Picture
Picture Mode
Reader Mode
RGB Hexagon LED Lighting
Smart Energy Saving
User Define Key
VESA ClearMR 13000