Model
27GX704A
Screen Size
27 inches
Panel Type
OLED
Resolution
Refresh Rate
Max 240 Hz
Response Rate
0.03ms (GTG)
LG 27 UltraGear Gaming Monitor 27GX704A QHD 2K OLED 240Hz

Comprehensive review of the LG 27 UltraGear 27GX704A: stunning visual performance for professional gamers
Gaming monitors are the critical factor in delivering a complete visual experience, as players always seek the perfect balance between ultra-high display resolution and instantaneous response speed. The screenLG 27 UltraGear 27GX704Astands out as one of the best options available on the market today, combining advanced OLED technology and QHD resolution to deliver exceptional performance that meets the ambitions of competitive gamers and enthusiasts of graphically complex games alike.
Features of the LG 27 UltraGear 27GX704A
This monitor comes loaded with a range of cutting-edge technologies that elevate the gaming experience to unprecedented levels, featuring color quality, speed, and assistive visual technologies:
QHD resolution and OLED technology for vibrant images
The monitor relies on anOLEDpanel measuring 26.5 inches, offering a QHD resolution (2560 x 1440), providing an impressive pixel density and sharp details. Thanks to the self-illuminating nature of OLED pixels, the contrast ratio reaches 1,500,000:1, resulting in perfect black levels. With a wide color coverage of DCI-P3 98.5% and support for over a billion colors, you will experience stunning color accuracy and an immersive visual experience.
Incredible response speed and a 240Hz refresh rate
This monitor is designed to keep up with the fastest gaming moments, featuring a refresh rate of240Hz, ensuring ultra-smooth frame rendering. Most importantly, it has a lightning-fast response time of0.03ms (GTG), which completely eliminates any motion blur effects, giving you an edge in fast-paced shooting and action games that require instant reactions.
Advanced visual technologies and perfect contrast (HDR 400)
To enhance scene realism, the monitor supportsHDR 10and carries theVESA DisplayHDR™ 400 TRUE BLACK, delivering stunning details in both bright and dark areas. It also includes features specifically designed for gamers such asBlack Stabilizerto reveal enemies in the dark, andDynamic Action Syncto reduce input lag, along with a frame counter and crosshair.
Full compatibility with synchronization technologies
For a tear-free and stutter-free experience, the monitor supports the leading synchronization technologies in the gaming world, namelyNVIDIA G-Sync CompatibleandAMD FreeSync Premium Pro, along with support for Variable Refresh Rate (VRR), so you can enjoy stable and smooth performance regardless of your graphics card.
Practical design and comprehensive connectivity options
The monitor stand features a comfortable and flexible design that allows for height adjustment, tilt, swivel, and pivot mode to suit your setup and preferred viewing level. The monitor also includes advanced connectivity options featuring ports forHDMI 2.1andDisplayPort 1.4, along with USB 3.2 Gen1 ports to facilitate quick and efficient connection of your peripherals.

Specifications for the LG 27 UltraGear 27GX704A
DISPLAY
Size [Inch]: 26.5
Size [cm]: 67.32
Resolution: 2560 x 1440
Panel Type: OLED
Aspect Ratio: 16:9
Pixel Pitch [mm]: 0.2292 x 0.2292 mm
Color Gamut (Min.): DCI-P3 90.0% (CIE1976)
Color Gamut (Typ.): DCI-P3 98.5% (CIE1976)
Color Depth (Number of Colors): 1.07B
Contrast Ratio (Min.): 1200000:1
Contrast Ratio (Typ.): 1500000:1
Response Time: 0.03ms (GTG)
Refresh Rate (Max.) [Hz]: 240
Viewing Angle (CR≥10): 178º(R/L), 178º(U/D)
Brightness (Min.) [cd/m²]: 250cd/m²
Brightness (Typ.) [cd/m²]: 275cd/m²
FEATURES
HDR 10: YES
VESA DisplayHDR™: DisplayHDR™400 TRUE BLACK
HDR Effect: YES
Color Calibrated in Factory: YES
HW Calibration: HW Calibration Ready
Reader Mode: YES
Color Weakness: YES
NVIDIA G-Sync™: G-SYNC Compatible
AMD FreeSync™: FreeSync Premium Pro
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 Calibration Studio (True Color Pro): YES
Dual Controller: YES
CONNECTIVITY
HDMI: YES(2ea)
DisplayPort: YES(1ea)
DP Version: 1.4
USB Upstream Port: YES(1ea/ver3.2 Gen1)
USB Downstream Port: YES(2ea/ver3.2 Gen1)
Headphone out: 3-pole (Sound Only)
POWER
Type: External Power (Adapter)
AC Input: 100~240V (50/60Hz)
Power Consumption (Sleep Mode): Less than 0.5W
Power Consumption (DC Off): Less than 0.3W
MECHANICAL
Wall Mountable [mm]: 100 x 100 mm
Display Position Adjustments: Tilt/Height/Swivel/Pivot
DIMENSIONS/WEIGHTS
Dimension with Stand (W x H x D) [mm]: 605.2 x 532.6 x 220 (Up) / 605.2 x 402.6 x 220 (Down)
Dimension without Stand (W x H x D) [mm]: 605.2 x 351.0 x 45.3
Dimension in Shipping (W x H x D) [mm]: 673 x 168 x 529
Weight with Stand [kg]: 7.2 kg
Weight without Stand [kg]: 4.8 kg
Weight in Shipping [kg]: 9.9 kg
ACCESSORY
HDMI: YES (ver 2.1)
Display Port: YES
USB A to B: YES
Specifications
| Monitor | |
|---|---|
| Flat / Curved | Flat |
| Monitor Size | 27 Inch |
| Refresh Rate | 240Hz |
| Response Time | 0.03ms(GTG) |
| Panel Type | OLED |
| Screen Resolution | QHD (2560x1440) |
| Information | |
|---|---|
| Brand | LG |
| Warranty | One Year |























