Key Features
Readers' Choice best monitor lineup for gamers and those demanding high-quality performance
UltraGear™ OLED GX7 Logo image.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
A composite promotional graphic for LG OLED technology featuring five sections: ‘LG’s Brightest OLED’ with an RGB beam graphic, ‘Perfect Visual Experience’ with an astronaut character and certification icons, a split gaming scene labeled ‘QHD 540Hz – HD 720Hz Dual-Mode,’ a purple-blue gradient panel displaying ‘VESA DisplayHDR True Black 500,’ and a colourful particle burst with the text ‘DCI-P3 99.5%
LG's Brightest* 4th Gen OLED
Introducing LG’s gaming monitor powered by 4th Gen OLED with revolutionary Primary RGB Tandem technology—reaching up to 1500 nits of peak brightness for visibly clearer gameplay, helping you to see on-screen visuals with clarity even in bright environments. In fast-paced or sunlit in-game scenes, enhanced APL and reduced ABL help maintain consistent luminance without dimming critical visuals. UL Verified Perfect Black, colour and VESA DisplayHDR™ True Black 500, this next-gen OLED delivers the contrast and clarity gamers need to react faster, see more, and stay immersed in every frame.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*As of November 2025, among all LG models using WOLED prior to 4th Gen. OLED, 27GX790B offers the highest brightness.
Next-Gen OLED Brilliance
Powered by 4th Gen Primary RGB Tandem OLED, the 27GX790B delivers brighter visuals with less power than the previous 3rd Gen OLEDs—reaching up to 1500 nits of peak brightness. Its advanced 4-stack RGB structure produces deeper contrast, sharper detail, and stunning colour precision. Experience clearer shadows, deep immersion, and visual consistency in every frame—built for serious gaming.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
UL-verified Perfect visual experience, consistent in both low and bright light
Perfect Black is UL-verified and delivers true black levels to enhance perceived brightness and contrast, whether it's bright or dark around you.
Perfect colour and 100% colour Fidelity deliver accurate colour expression even under varying lighting conditions, from low light to bright ambient environments.
UL-verified Perfect Reproduction delivers that actual game content is faithfully rendered on screen, maintaining intended colour and detail in both dark and bright environments. Unlike static image-based metrics, this certification reflects real-world content reproduction accuracy.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Deeper Detail with VESA DisplayHDR™ True Black 500
Experience unparalleled depth and vibrant realism with VESA DisplayHDR™ True Black 500, delivering detailed black expression even in the darkest scenes. With DCI-P3 99.5% (Typ.) colour gamut, the monitor provides that colours are displayed with realistic detail, as close to the original intent as possible.
Deeper Detail with VESA DisplayHDR™ True Black 500
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
720Hz(@HD) – 540Hz(@QHD) Dual-Mode with selectable options
With VESA Certified Dual-Mode, enjoy UltraGear’s fastest performance with up to 720Hz—the highest refresh rate ever introduced. Seamlessly switch between QHD 540Hz for detailed visuals and HD 720Hz for ultra-fast action. Choose your preferred refresh rate and screen size via On-Screen Display, or toggle instantly through LG Switch for optimised gameplay across every genre.
Graphic comparing two gaming scenes: a fantasy warrior rendered in QHD at 540Hz on the left, and a rally race car rendered in HD at 720Hz on the right. The two scenes overlap slightly against a dynamic abstract blue and red background, with ‘540Hz QHD’ and ‘720Hz HD’ labels displayed beside each image
Front image of the UltraGear™ 27g610a gaming monitor.
Front view of the LG UltraGear™ 27G610A gaming monitor on its hexagonal base, set in a futuristic, neon-lit corridor; the screen shows vivid purple and red swirls with the UltraGear logo at center.
*The images simulated to enhance feature understanding. It may differ from actual use.
Collage of five feature tiles highlighting the LG UltraGear™ 27G610A: monitor frame with the text “27″ QHD 2560×1440”; sci-fi battle scene labeled “sRGB 99% (Typ.) & VESA DisplayHDR™ 400”; motion-blur motorcycle image marked “200Hz”; spacecraft image labeled “1ms (GtG)”; and a close-up HDMI cable labeled “HDMI 2.0.”
Display - Resolution
2560 x 1440
Display - Panel Type
OLED
Display - Aspect Ratio
16:9
Display - Refresh Rate (Max.) [Hz]
540
Display - Response Time
0.02ms (GtG)
Mechanical - Display Position Adjustments
Tilt/Height/Swivel/Pivot
Product name
UltraGear
Year
Y26
Size [Inch]
26.5
Size [cm]
67.3
Resolution
2560 x 1440
Panel Type
OLED
Aspect Ratio
16:9
Pixel Pitch [mm]
0.2292 x 0.2292 mm
Brightness (Min.) [cd/m²]
300cd/m²
Brightness (Typ.) [cd/m²]
335cd/m²
Color Gamut (Min.)
DCI-P3 94.0% (CIE1976)
Color Depth (Number of Colors)
1.07B
Contrast Ratio (Min.)
1200000:1
Contrast Ratio (Typ.)
1500000:1
Response Time
0.02ms (GtG)
Refresh Rate (Max.) [Hz]
540
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)
HDR 10
YES
VESA DisplayHDR™
DisplayHDR™500 TRUE BLACK
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
LG Calibration Studio (True Color Pro)
YES
Dual Controller
YES
HDMI
YES(2ea)
DisplayPort
YES(1ea)
DP Version
2.1
USB-C
Yes
USB Upstream Port
YES(via USB-C)
USB Downstream Port
YES(2ea/ver3.0)
Headphone out
4-pole (Sound+Mic)
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
Display Position Adjustments
Tilt/Height/Swivel/Pivot
Wall Mountable [mm]
100 x 100
Dimension with Stand (W x H x D) [mm]
605.2x527.6x220(Up)/605.2x397.6x220(Down)
Dimension without Stand (W x H x D) [mm]
605.2x351.0x51.2
Dimension in Shiping (W x H x D) [mm]
790x182x496
Weight with Stand [kg]
6.8
Weight without Stand [kg]
4.3
Weight in Shipping [kg]
9.8
HDMI
YES (ver 2.1)
Display Port
YES (ver 2.1)
Display - Size [Inch]
27
Display - Resolution
2560 x 1440
Display - Panel Type
IPS
Display - Aspect Ratio
16:9
Display - Color Gamut (Typ.)
sRGB 99% (CIE1931)
Display - Refresh Rate (Max.) [Hz]
200
Display - Response Time
1ms (GtG at Faster)
Mechanical - Display Position Adjustments
Tilt/Swivel/Height/Pivot
Product name
UltraGear
Year
Y25
Size [Inch]
27
Size [cm]
68.4
Resolution
2560 x 1440
Panel Type
IPS
Aspect Ratio
16:9
Pixel Pitch [mm]
0.2331 x 0.2331 mm
Color Gamut (Min.)
sRGB 95% (CIE1931)
Color Gamut (Typ.)
sRGB 99% (CIE1931)
Color Depth (Number of Colors)
16.7M
Contrast Ratio (Typ.)
1000:1
Response Time
1ms (GtG at Faster)
Refresh Rate (Max.) [Hz]
200
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)
Brightness (Min.) [cd/m²]
320cd/m²
Brightness (Typ.) [cd/m²]
400cd/m²
HDR 10
YES
VESA DisplayHDR™
DisplayHDR 400
HDR Effect
YES
Color Calibrated in Factory
YES
Flicker Safe
YES
Reader Mode
YES
Color Weakness
YES
AMD FreeSync™
FreeSync Premium
Black Stabilizer
YES
Dynamic Action Sync
YES
Crosshair
YES
FPS Counter
YES
User Defined Key
YES
Auto Input Switch
YES
Smart Energy Saving
YES
HDMI
YES(2ea)
DisplayPort
YES(1ea)
DP Version
1.4
Headphone out
3-pole (Sound Only)
Type
External Power(Adapter)
AC Input
100~240V (50/60Hz)
Power Consumption (Typ.)
22
Power Consumption (Sleep Mode)
Less than 0.5W
Power Consumption (DC Off)
Less than 0.3W
Display Position Adjustments
Tilt/Swivel/Height/Pivot
Wall Mountable [mm]
100 x 100 mm
Dimension with Stand (W x H x D) [mm]
613.2 x 544.2 x 224.5(UP) / 613.2 x 434.1 x 224.5(DOWN)
Dimension without Stand (W x H x D) [mm]
613.2 x 364.5 x 49.2
Dimension in Shiping (W x H x D) [mm]
865.0 x 435.0 x 140.0
Weight with Stand [kg]
5.3
Weight without Stand [kg]
3.5
Weight in Shipping [kg]
7.1
Display Port
YES
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