LG·Monitors·27GX790A-B
27GX790A-B
$749.99
About
27 Inch UltraGear OLED QHD 1440P 480Hz 0.03ms G-Sync® Compatible DisplayPort 2.1 Gaming Monitor
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
27GX790A-B
Model Number
27GX790A-B
Price
$749.99
Display
Screen Size
26.5"
Resolution
QHD (2560 x 1440) (2560 × 1440)
Pixel Density
111 PPI
Retina Class
Non-Retina
Aspect Ratio
16:9
Panel Type
OLED
Shape
Flat
HDR and Color
HDR Support
Yes
HDR Certification
HDR True Black 400
SDR Brightness
275 nits
Contrast Ratio
1.5M:1 (Typ.)
Color Depth
10-bit
DCI-P3
98.5%
Motion and Gaming
Native Refresh Rate
480Hz
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
No USB-C display input listed
USB-C Display Input
No
USB-C Power Delivery
No
USB-A Hub
2 ports
Audio Jack
3.5mm jack
KVM
No
Features
Smart Monitor
No
Speakers
No
PiP / PbP
No
Portable
No
Foldable
No
Ergonomics and Build
Dimensions
605 × 579 × 249mm
Weight
9.3kg
VESA Mount
100 x 100mm
Tilt
-5~15º
Swivel
-30~30º
Height Adjustment
110mm
Stand Type
Tilt/Height/Swivel/Pivot
Power and Source
Typical Power
48.22W
Product Source
Specs Source
Last Fetched
Jul 18, 2026
Data Confidence
95%
13 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
