LG·Monitors·27G640A-B
27G640A-B
$299.99
About
27 Inch UltraGear™ IPS QHD 1440p 300Hz 1ms NVIDIA G-Sync Compatible 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
27G640A-B
Model Number
27G640A-B
Price
$299.99
Display
Screen Size
27"
Resolution
QHD (2560 x 1440) (2560 × 1440)
Pixel Density
109 PPI
Retina Class
Non-Retina
Aspect Ratio
16:9
Panel Type
IPS
Shape
Flat
HDR and Color
HDR Support
Yes
HDR Certification
HDR 400
SDR Brightness
400 nits
Contrast Ratio
1300:1 (Typ.)
Color Depth
10-bit
Motion and Gaming
Native Refresh Rate
300Hz
Max Refresh Rate
Same as native
Response Time (GtG)
1ms
VRR
AMD FreeSync Premium, NVIDIA G-Sync Compatible
Connectivity
HDMI
2x HDMI 2.1
DisplayPort
1x DisplayPort 1.4
USB-C / Thunderbolt
1x USB-C (15W PD)
USB-C Display Input
Yes
USB-C Power Delivery
15W
USB-A Hub
2 ports
Audio Jack
3.5mm jack
KVM
No
Features
Smart Monitor
No
Speakers
Yes
PiP / PbP
No
Portable
No
Foldable
No
Ergonomics and Build
Dimensions
615 × 538 × 239mm
Weight
5.49kg
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
