LG 27G640A – Price and Full Specifications

$449.00
SKU: 27G640A
Brand: lg
Category: Monitor
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Available Official

Display 27 in, IPS, 2560 x 1440 pixels (QHD)
Refresh rate 48 Hz - 300 Hz
Dimensions 613.6 x 365.7 x 57.4 mm (without stand)
Weight 3.4 kg (without stand)
Brightness: 400 cd/m² (typ)

Our Rating

The overall rating is based on review by our experts

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

PROS

300Hz refresh rate for ultra-smooth gaming
Wide color coverage (95% DCI-P3) with HDR10 & DisplayHDR 400
Fully adjustable stand (height, swivel, pivot, tilt)

CONS

Low contrast (1300:1) compared to VA panels
Weak 2W speakers
No built-in webcam

Full Specifications

Basic Information

Brand	LG
Model	27G640A
Model Year	2025

Dimensions & Weight

Dimensions With Stand	613.6 x 389.1 x 239 mm
Dimensions Without Stand	613.6 x 365.7 x 57.4 mm
Weight	3.4 kg

Display

Size	27 in
Diagonal	685.8 mm
Width	596.736 mm
Height	335.664 mm
Aspect Ratio	16:9
Panel Type	IPS
Resolution	2560 x 1440 pixels
Panel manufacturer	LG Display
Panel bit depth	10 bits (8 bits + FRC)
FRC	Yes
Coating	Anti-glare/Matte (3H)

Picture Quality

Backlight	W-LED
Static contrast	1300 : 1
HDR Support	HDR10, DisplayHDR 400
Brightness	400 cd/m²
Peak Brightness	1300 cd/m²
Pixel Density	109 ppi
Pixel Pitch	0.233 mm
Colors	1073741824 colors, 30 bits
DCI-P3	95 %

Response Time & Input Lag

MIN Response Time	1 ms
MAX Response Time	Dual mode: (if applicable)

Refresh Rate & VRR

Native Refresh Rate	48 Hz - 300 Hz
Maximum Refresh Rate	300 Hz
DSC	1 x DisplayPort 1.4
VRR Support	Adaptive-Sync, AMD FreeSync Premium, NVIDIA G-Sync Compatible
VRR Range	48 Hz - 300 Hz

Ergonomics & Design

VESA Mount	Yes,100 x 100 mm
Removable stand	Yes
Height adjustment	Yes,150 mm
Landscape/portrait pivot	Yes
Left/right swivel	Yes,90 °
Forward/backward tilt	Yes,45 ° /45 °
Design Colors	Black

Audio

Speakers

2 x 2 W

Camera

Camera

Ports ,Connectivity & OS

USB	1 x USB 3.0 (Type-C; 15W; data)
HDMI	1 x USB 3.0 (Type-B; upstream)2 x USB 3.0 (Type-A; downstream)
Display Port	2 x HDMI 2.1
Audio Port	1 x DisplayPort 1.4
Other Connectivity	1 x 3.5 mm Audio Out (3-pole) HDCP 2.2

Functional features

Gamming Features

Adaptive-Sync technology
AMD FreeSync Premium
NVIDIA G-Sync Compatible
Crosshair
Dynamic Action Sync
Black Stabilizer
FPS Counter
Game Mode
Overclock
HDR Effect

Additional features

Extra Features

3-Side Virtually Borderless Design
Auto Input Switch
Color Weakness Mode
Dual Controller
Factory Calibration
Flicker-free technology
LG Switch
Low Blue Light
Reader Mode
Smart Energy Saving
Anti-theft stand lock slot (Kensington)
DisplayPort cable
HDMI cable