LG·Monitors·45GX90SB-B
45GX90SB-B
$1,699.99
About
45 Inch UltraGear™ GX9s, OLED 240Hz Gaming Monitor with webOS for Streaming
Specifications
A normalized reference table for comparing monitors across brands. Some values are calculated or inferred from manufacturer data; select an info icon for context.
Overview
Availability
Available
Brand
LG
Model Name
45GX90SB-B
Model Number
45GX90SB-B
Price
$1,699.99
Display
Screen Size
44.5"
Resolution
45 Inch UltraGear™ GX9s, OLED 240Hz Gaming Monitor with webOS for Streaming 3440 x 1440 (3440 × 1440)
Pixel Density
84 PPI
Retina Class
Non-Retina
Aspect Ratio
21:9
Panel Type
OLED
Shape
Curved
Curvature Radius
800R
HDR and Color
HDR Support
Yes
HDR Certification
HDR True Black 400
SDR Brightness
275 nits
Contrast Ratio
1500000:1
Color Depth
10-bit
DCI-P3
98.5%
Motion and Gaming
Native Refresh Rate
240Hz
Max Refresh Rate
Same as native
Response Time (GtG)
0.03ms
VRR
AMD FreeSync Premium, NVIDIA G-Sync Compatible, VESA Adaptive Sync
Connectivity
HDMI
2x HDMI 2.1
DisplayPort
1x DisplayPort 2.1
USB-C / Thunderbolt
1x USB-C (65W PD)
USB-C Display Input
Yes
USB-C Power Delivery
65W
USB-A Hub
2 ports
KVM
No
Features
Smart Monitor
Yes
Smart Platform
webOS smart monitor features
Speakers
Yes
PiP / PbP
Picture-in-Picture and Picture-by-Picture
Portable
No
Foldable
No
Ergonomics and Build
Dimensions
993 × 663 × 338mm
Weight
13.52kg
VESA Mount
100 x 100
Stand Type
Height, Swivel, Tilt
Power and Source
Product Source
Specs Source
Last Fetched
Jul 18, 2026
Data Confidence
95%
16 empty or not-applicable reference rows are hidden.
Data Trust
We normalize monitor specs from official product and specs pages when available. If something looks off, send a correction with the source links attached.
Available
Data Source
LG official US catalog and product page
Last Fetched
Jul 18, 2026
Status
Available
