LG UltraGear | 27G640A-B 27" QHD | G6 300Hz 1ms IPS Gaming Monitor | G-Sync & FreeSync Premium | QHD IPS Display with 300Hz Refresh Rate & 1ms Response Time (UltraGear 27G640A-B)
Screen: 27-inch QHD (2560x1440) IPS Display
Response time: 1ms (GtG) Response Time
Color & hdr: DisplayHDR 400 with DCI-P3 95%
Adaptive sync: NVIDIA® G-SYNC® Compatible / AMD FreeSync™ Premium
Design: 3-Side Virtually Borderless Design
Stand: Clutter-free L-Stand
Description
This premium 27-inch monitor elevates competitive gaming by pairing its crisp 2560x1440 QHD resolution with a professional-grade 300Hz refresh rate and a near-instantaneous 1ms Gray-to-Gray response time, providing a major edge in fast-paced esports. Built on a high-performance Fast IPS panel, it delivers broad 178-degree viewing angles and vibrant color accuracy covering 95% of the cinematic DCI-P3 color gamut alongside VESA DisplayHDR 400 validation for rich contrast. For tear-free visuals, it natively integrates both NVIDIA G-Sync compatibility and AMD FreeSync Premium. Next-gen connectivity features dual HDMI 2.1 ports, DisplayPort 1.4, and a multipurpose USB-C port supporting 15W power delivery for seamless PC and console setups. The sleek, three-sided virtually borderless aesthetic incorporates distinctive hexagon back lighting and includes a versatile ergonomic L-stand supporting full tilt, swivel, height, and pivot adjustments. Built-in 5W stereo speakers and gaming tools like Black Stabilizer, Dynamic Action Sync, and an on-screen crosshair fully complete this elite desktop setup.
Specifications
General Information | |
|---|---|
Brand | LG |
Model | UltraGear 27G640A-B |
Color | Black |
DISPLAY | |
|---|---|
Size [Inch] | 27 |
Size [cm] | 9:04 |
Resolution | 2560 x 1440 |
Panel Type | IPS |
Aspect Ratio | 16:09 |
Pixel Pitch [mm] | 232.8 × 232.8 mm |
PPI (Pixel Per Inch) | 109 |
Brightness (Min.) [cd/m²] | 320 cd/m² |
Brightness (Typ.) [cd/m²] | 400 cd/m² |
Color Gamut (Min.) | DCI-P3 90% (CIE1976) |
Color Gamut (Typ.) | DCI-P3 95% (CIE1976) |
Color Depth (Number of Colors) | 1.07B |
Contrast Ratio (Min.) | 600:01:00 |
Contrast Ratio (Typ.) | 1300:01:00 |
Response Time | 1ms (GtG at Faster) |
Refresh Rate (Max.) [Hz] | 7200:00:00 |
Viewing Angle (CR≥10) | 178°(R/L), 178°(U/D) |
FEATURES | |
|---|---|
HDR 10 | YES |
VESA DisplayHDR™ | DisplayHDR™ 400 |
Color Calibrated in Factory | YES |
Flicker safe | YES |
Reader Mode | YES |
Color Weakness | YES |
NVIDIA G-Sync™ | G-SYNC Compatible |
AMD FreeSync™ | FreeSync Premium |
VRR | YES |
Black Stabilizer | YES |
Dynamic Action Sync | YES |
Crosshair | YES |
FPS Counter | YES |
User Defined Key | YES |
Auto Input Switch | YES |
Smart Energy Saving | YES |
SW APPLICATION | |
|---|---|
LG Switch | YES |
CONNECTIVITY | |
|---|---|
HDMI | Yes(2ea) |
HDMI Version | Supports FRL as compliant with HDMI 2.1 |
HDMI (HDCP Version) | 7:12 |
DisplayPort | YES(1ea) |
DP Version | 1.4 |
DP (HDCP Version) | 2.3 |
USB-C | YES(1ea) |
USB-C (HDCP Version) | 2.3 |
USB-C (Power Delivery) | 15W |
USB Upstream Port | YES(1ea/ver3.0) |
USB Downstream Port | YES(2ea/ver3.0) |
Headphone out | 3-Pole(Sound only) |
SOUND | |
|---|---|
Speaker | 5W x 2 |
POWER | |
|---|---|
Type | External Power(Adapter) |
AC Input | 100~240V (50/60Hz) |
Power Consumption (On-Mode) | 45W |
Power Consumption (On-Mode) (ErP) | 26W |
Power Consumption (On-Mode) (KR) | 33W |
Power Consumption (Sleep Mode) | Less than 0.5W |
Power Consumption (DC Off) | Less than 0.3W |
MECHANICAL | |
|---|---|
Display Position Adjustments | Tilt/Height/Swivel/Pivot |
Wall Mountable [mm] | 100 x 100 |
DIMENSIONS/WEIGHTS | |
|---|---|
Dimension with Stand (W x H x D) [mm] | 613.68 × 539.1 × 239 (UP) / 613.68 × 389.1 × 239 (DOWN) |
Dimension without Stand (W x H x D) [mm] | 613.68 × 365.77 × 57.44 mm |
Dimension in Shipping (W x H x D) [mm] | 810 × 165 × 465 mm |
Weight with Stand [kg] | 5.47 kg |
Weight without Stand [kg] | 3.4 kg |
Weight in Shipping [kg] | 7.4 kg |
ACCESSORY | |
|---|---|
HDMI | YES (ver 2.1) |
Display Port | YES |