LG 45GX900A – Price and Full Specifications

LG 45GX900A – Price and Full Specifications
$1,669.00
SKU: 45GX900A
Brand: lg
Category: Monitor
Available Official
  • Display 44.5 in, OLED, 3440 x 1440 pixels (Ultrawide)
  • Refresh rate 48 Hz - 240 Hz
  • Dimensions 993 x 457.2 x 218.44 mm (without stand)
  • Weight 8.89 kg (without stand)
  • Brightness: 275 cd/m²

Our Rating

The overall rating is based on review by our experts

8
  • Design 8 / 10
  • Display 8 / 10
  • HDR 8 / 10
  • Refresh Rate 8 / 10
  • Connectivity 8 / 10
  • Ergonomics 8 / 10

PROS

  1. OLED Panel – True blacks, 1.5M:1 contrast, and vibrant 98.5% DCI-P3 colors.
  2. High Refresh Rate – 240Hz with VRR, G-Sync & FreeSync Premium Pro support.
  3. Ultra-Wide Curved Design – 44.5" with 800R curvature for immersive gaming.
  4. Fast Response – 0.03ms minimum response time, great for esports.
  5. Strong Connectivity – 2× HDMI 2.1, DP 1.4, USB-C (65W PD), and multiple USB ports.

CONS

  1. Low Brightness – Only 275 nits, weaker for HDR and bright rooms.
  2. Limited Ergonomics – No swivel or pivot, only tilt & height adjust.
  3. Pixel Density – 83 ppi is low for productivity compared to 4K monitors.
  4. No Built-in Speakers/Camera – Needs external audio and webcam.
  5. Power Usage – 103W average, higher than many LED monitors.

Full Specifications

Basic Information

Brand LG
Model 45GX900A
Model Year 2025

Dimensions & Weight

Dimensions With Stand 993 x 546 x 337.8 mm
Dimensions Without Stand 993 x 457.2 x 218.44 mm
Weight 8.89 kg

Display

Size 44.5 in
Diagonal 1130 mm
Width 1042.66 mm
Height 436.46 mm
Radius of curvature 800 mm
Aspect Ratio 2.389:1
Panel Type OLED
Resolution 3440 x 1440 pixels
Panel manufacturer LG Display
Panel bit depth 10 bits
FRC No
Coating Anti-glare/Matte

Picture Quality

Backlight OLED
Static contrast 1500000 : 1
HDR Support DisplayHDR 400 True Black
Brightness 275 cd/m²
Pixel Density 83 ppi
Pixel Pitch 0.303 mm
Colors 1073741824 colors, 30 bits
DCI-P3 98.5 %

Response Time & Input Lag

MIN Response Time 0.03 ms
MAX Response Time -

Refresh Rate & VRR

Native Refresh Rate 48 Hz - 240 Hz
Maximum Refresh Rate 240 Hz
DSC 1 x DisplayPort 1.4
VRR Support VESA AdaptiveSync Display 240Hz
VRR Range 48 Hz - 240 Hz

Ergonomics & Design

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

Audio

Speakers -

Camera

Camera No

Ports ,Connectivity & OS

USB 2 x USB 3.0 (Type-A; downstream)
1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)
HDMI 2 x HDMI 2.1
Display Port 1 x DisplayPort 1.4
Audio Port 1 x 3.5 mm Audio Out (4-pole; DTS Headphone:X)
Other Connectivity HDCP 2.2

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
Flicker-free technology
HDR Effect
LG Switch
Low Blue Light
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 AdaptiveSync Display 240

Additional features

Extra Features Anti-theft stand lock slot - Kensington
DisplayPort cable
HDMI cable
USB Type-C cable

Certificates

Certificates CE
FCC-B
J-Moss
RoHS
TUV-Type
UL(cUL)
VCCI

Power & Energy

Voltage 100 V - 120 V
Average Power Use 103 W
Sleep Mode 0.5 W
Off Mode 0.3 W

Environmental Specs

Operating Temp 0 °C - 40 °C
Storage Temp -20 °C - 60 °C
Operating Humidity 10 % - 80 %
Storage Humidity 5 % - 85 %

Disclaimer Note

You can write your own disclaimer from APS Settings -> General -> Disclaimer Note.

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