LG·Monitors·27GX790B-B
27GX790B-B
$699.99
About
27 Inch UltraGear™ OLED Dual Mode QHD 540Hz or HD 720Hz 0.02ms 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
27GX790B-B
Model Number
27GX790B-B
Price
$699.99
Display
Screen Size
26.5"
Resolution
27 Inch UltraGear™ OLED Dual Mode QHD 540Hz or HD 720Hz 0.02ms G-Sync® Compatible DisplayPort 2.1 Gaming Monitor 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 500
SDR Brightness
335 nits
Contrast Ratio
1500000:1
Color Depth
10-bit
DCI-P3
99.5%
Motion and Gaming
Native Refresh Rate
540Hz
Max Refresh Rate
Same as native
Response Time (GtG)
0.02ms
VRR
AMD FreeSync Premium, NVIDIA G-Sync Compatible, VESA Adaptive Sync
Connectivity
HDMI
2x HDMI 2.1
DisplayPort
1x DisplayPort
USB-C / Thunderbolt
1x USB-C
USB-C Display Input
Yes
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 × 528 × 221mm
Weight
6.8kg
VESA Mount
100 x 100
Stand Type
Tilt/Height/Swivel/Pivot
Power and Source
Product Source
Specs Source
Last Fetched
Jul 18, 2026
Data Confidence
95%
18 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
