Model
27GX790B
Screen Size
27 inches
Panel Type
OLED
Resolution
QHD 2560 x 1440
Refresh Rate
Max 540 Hz
Response Rate
0.02ms (GTG)
LG 27 UltraGear Gaming Monitor 27GX790B QHD 2K OLED 540Hz

Comprehensive review of the LG 27 UltraGear 27GX790B: Legendary speed for an unbeatable gaming experience
In the world of eSports and competitive gaming, every fraction of a second is crucial between winning and losing. This is where theLG 27 UltraGear 27GX790Bcomes in to completely change the game, offering an exceptional blend of OLED panel color quality and unprecedented insane speed, providing professional gamers with the ultimate weapon to dominate their competitors.
Features of the LG 27 UltraGear 27GX790B
This monitor raises the bar in the gaming monitor market, loaded with revolutionary technologies and specifications that make it the top choice for those seeking absolute performance, with its features distributed as follows:
Unmatched response speed and refresh rate (540Hz & 0.02ms)
The standout feature that takes your breath away in this monitor is the legendary refresh rate of540Hz, supported by an almost zero response time of0.02ms (GtG). This powerful combination completely eliminates any trace of motion blur or input lag, providing exceptional smoothness in target tracking and a reaction speed that gives you a sweeping advantage in first-person shooter (FPS) games.
Stunning image quality with OLED technology and QHD resolution
Despite its focus on speed, the monitor does not compromise on image quality. It features a26.5-inch OLEDpanel with QHD resolution (2560 x 1440), ensuring excellent pixel density for sharp details. The monitor boasts infinite contrast (1,500,000:1) that displays deep blacks, with a wide color coverage of up to DCI-P3 99.5% and support for 1.07 billion colors, allowing you to enjoy gaming worlds with vibrant colors and incredible precision.
Advanced visual technologies for professional performance (HDR 500 & G-Sync)
To ensure a complete and flawless visual experience, the monitor supports theVESA DisplayHDR™ 500 TRUE BLACKcertification to deliver an ultra-dynamic range that enhances details in both dark and bright areas. The monitor is fully compatible withNVIDIA G-Sync CompatibleandAMD FreeSync Premium Pro, and supports variable refresh rate (VRR), preventing screen tearing and ensuring a smooth gaming experience regardless of frame rates.
Flexible design, aesthetic lighting, and advanced connectivity
The monitor features aBorderlessdesign that enhances immersion in gameplay, withUnity Hexagon LightingThe background that adds an aesthetic touch to your settings. The stand provides complete flexibility in adjusting height, tilt, rotation, and even vertical position (Pivot). As for the connections, it is equipped with a portDisplayPort 2.1that can transfer data at tremendous speeds to run 2K resolution at 540Hz without bottlenecking, in addition to supporting a portUSB-Cfor data transfer and connectivity.

Specifications of the LG 27 UltraGear 27GX790B
Size: 26.5 Inch
Panel: OLED
Resolution: 2560 x 1440
Aspect: 16:9
Refresh: 540Hz (Max.)
Response: 0.02ms (GtG)
Contrast: 1500000:1 (Typ.)
Brightness: 335cd/m² (Typ.)
Color: DCI-P3 99.5% (CIE1976)
HDR: Yes (HDR 10)
DisplayHDR: VESA DisplayHDR™ 500 TRUE BLACK
G-Sync: NVIDIA G-SYNC Compatible
FreeSync: AMD FreeSync Premium Pro
VRR: Yes
HDMI: Yes (2 pcs)
DisplayPort: Yes (1 pc / ver 2.1)
USB-C: Yes
Adjustments: Tilt/Height/Swivel/Pivot
Lighting: Unity Hexagon Lighting
Weight: 6.8 kg (with Stand) / 4.3 kg (without Stand)
Wall: 100 x 100 mm
Specifications
| Monitor | |
|---|---|
| Flat / Curved | Flat |
| Monitor Size | 27 Inch |
| Refresh Rate | 540Hz |
| Response Time | 0.02ms (GtG) |
| Panel Type | OLED |
| Screen Resolution | 2K Quad HD (2560x1440) |
| Information | |
|---|---|
| Brand | LG |
| Warranty | One Year |



























