Front image of the UltraGear™ 25G550B gaming monitor in a futuristic, neon-lit room.
1. Based on publicly available information as of May 19, 2026, among gaming monitors introduced by consumer brands.
2. This product supports a refresh rate of up to 1000Hz (1100Hz O/C); however, actual 1000Hz performance may be affected by various external factors, including PC specifications (CPU, GPU, memory), game-specific frame rate limitations, operating system version, and graphics driver version.
3. To use the 1000Hz feature, the latest version of Windows 11 is required. The latest graphics driver and a DisplayPort connection are recommended.
4. Based on LG Electronics' internal testing, 1000Hz refresh rate signal input and operation at FHD (1920 × 1080) resolution were verified using systems equipped with NVIDIA GeForce RTX 50 Series graphics cards and AMD Radeon RX 7900 Series, RX 9060 Series, and RX 9070 Series graphics cards. Actual refresh rate, frame rate (FPS), and gaming performance may vary depending on CPU, GPU, memory, game settings, network conditions, and other system configurations. Some games may impose their own refresh rate or frame rate (FPS) limitations. In such cases, the product's maximum 1000Hz performance may not be available. Internal test results were obtained under specific test conditions and do not guarantee identical results in all user environments.
5. Support for a 1000Hz refresh rate does not imply or guarantee the achievement of frame rates of 1000 FPS or higher in any particular game.
This image presents key features of an LG gaming monitor, including a 300Hz refresh rate for fluid motion, IPS display with HDR and sRGB 99% color for vivid visuals, smooth gameplay with NVIDIA G-SYNC and AMD FreeSync Premium support, 1ms(GtG) response time for fast-paced gaming, and a virtually borderless design for an immersive setup.
*Based on publicly available information as of May 19, 2026, among gaming monitors introduced by consumer brands.
With NATIVE 1000Hz at FHD(Full HD), experience ultra-fast gameplay with sharp and detailed visuals that make every esports moment smoother, clearer, and more precise—helping you track movement faster and react ahead of your opponents.
Unlike 1000Hz at HD that sacrifices image quality for speed, LG UltraGear 25G590B delivers native 1000Hz performance together with the sharp clarity of FHD (Full HD) — the esports standard. Experience ultra-fast gameplay with clear, precise visuals designed to keep you fully focused in every competitive moment.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
1000Hz refresh rate helps deliver ultimate smooth motion and more frequent frame updates for competitive FPS gameplay. Whether tracking fast-moving opponents, landing precise flick shots, switching targets, or making critical micro-adjustments, smoother motion helps players perform these actions faster and more precisely. With up to 1100Hz overclock support, players can push the refresh rate even further for faster gameplay.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Go beyond NATIVE 1000Hz with support for up to 1100Hz overclock (O/C). Experience even smoother motion, faster responsiveness, and sharper visual tracking designed to keep you ahead in every competitive esports moment.
*Overclocked 1100Hz operation may limit Adaptive-Sync functionality, as AMD FreeSync™ Premium is not supported and NVIDIA G-SYNC® compatibility is only certified at 1000Hz, where performance is guaranteed.
*1100Hz overclock is evaluated based on internal testing.
*Simulated comparison due to video frame rate limitation.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
MBR (Motion Blur Reduction) Pro helps reduce motion blur by lowering display persistence time during fast-moving gameplay. By briefly controlling the backlight between frames, it helps reduce the continuous image hold effect. This allows fast-moving objects to appear clearer and sharper with less motion blur, improving target tracking, motion precision, and reaction speed during competitive esports play.
MBR(Motion Blur Reduction) Pro reduces motion blur by lowering display persistence time for clearer motion during fast-paced gameplay
*AMD FreeSync™ Premium and NVIDIA G-SYNC® Compatible, are disabled when MBR Pro is enabled.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Minimise tears and lags with NVIDIA® G-SYNC® compatible and AMD FreeSync™ Premium technology. Experience significantly reduced screen tearing and stuttering for smooth visuals with minimised motion blur and ghosting.
Enhanced with ATW(Advanced True Wide) Polarizer technology, the IPS display helps reduce screen reflections while maintaining vivid colour expression from wider viewing angles. The result is clearer and more consistent visuals with improved visibility for immersive gameplay.
VESA DisplayHDR™ 400 and sRGB 99% (Typ.) bring richer colour and deeper visual detail to every scene. Enhanced contrast helps reveal details in both bright and dark areas, allowing players to spot important visual cues more easily during gameplay.
*Overclocked 1100Hz operation may limit VRR functionality, as AMD FreeSync™ Premium is not supported and NVIDIA G-SYNC® compatibility is only certified at 1000Hz, where performance is guaranteed.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Engineered for precision, the stand includes an adjustment scale that helps users accurately set and customise their viewing position. The clearly marked scale enables fine-tuned adjustments, making it easy to create a personalised monitor setup designed for comfort, focus, and gaming performance.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Designed with a stand base 49% smaller than before, it frees up more space for wider mouse movement and customised gaming gear setups, enabling greater control during gameplay while maintaining stable monitor support.
*The stand base area is 49% smaller compared to LG UltraGear 25G550B.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Peripheral devices pictured are not included.
LG UltraGear 25G590B features connectivity with DisplayPort 2.1 (UHBR 20) and HDMI 2.1. DisplayPort 2.1 delivers the bandwidth needed for ultimate high-refresh-rate and high-resolution gaming, while HDMI 2.1 provides stable connections with consoles and other devices.
*A USB Type-C (upstream) connection to a PC is required for monitor software updates and to enable the microphone function through the 4-pole headphone jack.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
AI Sound intelligently separates individual audio elements—voices, effects, and background sounds—and adapts to gameplay for more controlled, immersive audio, creating a virtual 7.1.2 channel sound experience. Through headphones, voices remain clear even in intense firefights, while critical cues like approaching footsteps stay easy to detect during gameplay.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
AI Scene Optimisation recognises what’s on screen and automatically adjusts key picture settings such as colour temperature, colour enhancement, and sharpness to match each content type—including Office, Animation, Movie, Game, and Sports modes.
This image shows an UltraGear™ gaming monitor on a desk setup displaying a game scene, with zoomed-in highlights emphasizing the borderless display design and a sleek floating-like stand.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Reducing input lag with Dynamic Action Sync, gamers can catch critical moments in real-time and respond quickly.
Black Stabiliser enhances visibility in dark scenes, revealing hidden details and improving clarity for smoother navigation through shadowy environments or sudden light changes.
The target point is fixed in the centre to enhance shooting accuracy.
The FPS Counter will let you see how well everything is loading. Whether you're editing, playing games, or watching a movie, every frame matters, and with the FPS Counter, you'll have real-time data.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Display - Size [Inch]
24.5
Display - Resolution
1920 x 1080
Display - Panel Type
IPS
Display - Aspect Ratio
16:9
Display - Colour Gamut (Typ.)
sRGB 99% (CIE1931)
Display - Brightness (Typ.) [cd/m²]
400cd/m²
Display - Refresh Rate (Max.) [Hz]
1,000
Display - Response Time
Less than 1ms GtG
Mechanical - Display Position Adjustments
Tilt/Height/Swivel
Adapter
YES
Display Port
YES (ver 2.1)
Dimension in Shipping (W x H x D) [mm]
721x159x481
Dimension with Stand (W x H x D) [mm]
571.8 x 511.2 x 207.3
Dimension without Stand (W x H x D) [mm]
571.8 x 333.4 x 43.4
Weight in Shipping [kg]
7.1Kg
Weight with Stand [kg]
5.2 kg
Weight without Stand [kg]
3.5kg
Size [Inch]
24.5
Aspect Ratio
16:9
Panel Type
IPS
Resolution
1920 x 1080
Pixel Pitch [mm]
0.282(H) x 0.281 (V) (1 pixel)
Brightness (Typ.) [cd/m²]
400cd/m²
Colour Gamut (Typ.)
sRGB 99% (CIE1931)
Colour Gamut (Min.)
sRGB 99%(CIE1931),DCI90% (CIE1976)
Surface Treatment
Anti-Glare
Response Time
Less than 1ms GtG
Brightness (Min.) [cd/m²]
320cd/m²
Size [cm]
62.1
Colour Depth (Number of Colours)
16.7M
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)
Contrast Ratio (Typ.)
1000:1
Refresh Rate (Max.) [Hz]
1,000
Contrast Ratio (Min.)
700:1
Colour Bit
8bit
HDR 10
YES
AMD FreeSync™
FreeSync Premium
Colour Weakness
YES
Smart Energy Saving
YES
Colour Calibrated in Factory
YES
NVIDIA G-Sync™
G-SYNC Compatible
HW Calibration
HW Calibration Ready
Dynamic Action Sync
YES
Black Stabiliser
YES
Crosshair
YES
Reader Mode
YES
Others (Features)
Hotkey
FPS Counter
YES
VRR
YES
VESA DisplayHDR™
DisplayHDR™ 400
Advanced True Wide Pol.
YES
Motion Blur Reduction Tech.
YES
OverClocking
YES
User Defined Key
YES
Auto Input Switch
YES
RGB LED Lighting
UltraGear Lighting
HDR Effect
YES
Display Position Adjustments
Tilt/Height/Swivel
Borderless Design
Normal
Wall Mountable [mm]
100 x 100
OneClick Stand
YES
Dual Controller
YES
Power Consumption (Sleep Mode)
Less than 0.5W
Power Consumption (DC Off)
Less than 0.3W
AC Input
100~240V (50/60Hz)
Type
External Power(Adapter)
DC Output
19V / 3.42A
Power Consumption (On-Mode)
28W
Power Consumption (On-Mode) (ErP)
18W
Power Consumption (On-Mode) (KR)
19.5W
UL (cUL)
YES
CE
YES
HDMI
YES(2ea)
DisplayPort
YES(1ea)
DP Version
2.1
Headphone out
4-pole (Sound+Mic)
USB Upstream Port
YES(via USB-C)
Product name
UltraGear
Year
Y26
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