AOC G4 25G4KUR 25″ 420Hz Monitor

25 inch · 1920 x 1080 · 420 Hz · Fast IPS

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Screen size 25 inch
Resolution 1920 x 1080
Refresh rate 420 Hz
Panel Fast IPS
Response time 1 ms

AOC G4 25G4KUR 25″ 420Hz Monitor is a 25-inch monitor with 1920 x 1080 resolution, a 420 Hz refresh rate and Fast IPS panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-09-18

Specifications

Key specs

Screen size: 25 inch
Resolution: 1920 x 1080
Refresh rate: 420 Hz
Panel: Fast IPS
Response time: 1 ms
Released: 2025-09-18
Part number: 25G4KUR
EAN / UPC: 4038986143103

Display

Display diagonal: 62.2 cm (24.5")
Display resolution: 1920 x 1080 pixels
HD type: Full HD
Native aspect ratio: 16:9
Display technology: LED
Panel type: Fast IPS
LED backlight: Yes
Backlight type: W-LED
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 0.3 ms
Screen shape: Flat
Contrast ratio (typical): 1000:1
Maximum refresh rate: 420 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel density: 86.38 ppi
Digital horizontal frequency: 30 - 450 kHz
Digital vertical frequency: 48 - 400 Hz
Display diagonal (metric): 62.2 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400
Colour gamut standard: Adobe RGB, DCI-P3, sRGB
sRGB coverage (typical): 121%
Adobe RGB coverage: 88.1%
DCI-P3 coverage: 92%

Performance

Flicker-free technology: Yes
Low Blue Light technology: Yes

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Design

Market positioning: Gaming
Product colour: Black, Red
Frameless design: Yes
Front bezel colour: Black
Detachable stand: Yes

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
Number of USB Type-B upstream ports quantity: 1
USB Type-A downstream ports quantity: 4
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.0
DisplayPorts quantity: 1
DisplayPort version: 1.4
Audio output: Yes
Headphone out: Yes
Headphone outputs: 1
HDCP: Yes
HDCP version: 1.4/2.2

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 13 cm
Pivot: Yes
Pivot angle: -90 - 90°
Swivelling: Yes
Swivel angle range: -30 - 30°
Tilt adjustment: Yes
Tilt angle range: -3 - 21°

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 18 kWh
Energy consumption (HDR) per 1000 hours: 38 kWh
Power consumption (typical): 24 W
Power consumption (standby): 0.3 W
Power consumption (off): 0.3 W
Power supply type: Internal
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 560.1 mm
Depth (with stand): 207.6 mm
Height (with stand): 498.5 mm
Weight (with stand): 4.77 kg
Width (without stand): 324.8 mm
Depth (without stand): 52.1 mm
Height (without stand): 324.8 mm
Weight (without stand): 2.91 kg

Other features

Brand specific technologies: Crosshair
Low input lag: Yes
FPS counter: Yes
Dial point: Yes
Shadow control: Yes
Motion blur reduction: Yes
Local dimming: Yes
Warranty period: 3 year(s)
Bezel thickness type: Frameless
Compliance certificates: CE
Certification: WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC

Technical details

Native refresh rate: 60 Hz

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About this product

Unlock ultra-smooth gameplay with the 25G4KUR, a Fast IPS monitor delivering 420Hz (OC 400Hz Native) performance and crisp FHD visuals The 25G4KUR Fast IPS Monitor is built for gamers who demand speed and precision. With a remarkable 420hz (OC400hz Native) refresh rate and Full HD resolution, it delivers fluid motion and sharp detail for every genre. HDR400 brings vibrant contrast and colour, while G-Sync Compatibility and ultra-low input lag ensure responsive, tear-free gameplay. The ergonomic stand provides lasting comfort, and the USB hub with G-Menu software keeps your setup connected and customizable.

User manual (PDF)

25G4KUR vs similar monitors

	AOC G4 25G4KUR 25″ 420Hz Monitor	AOC G3 25G3Z/69 25″ 240Hz Monitor	AOC G4 25G4ZR 25″ 260Hz Monitor	MSI MAG 255FDE E20
Screen size	25 inch	25 inch	25 inch	25 inch
Resolution	1920 x 1080	1920 x 1080	1920 x 1080	1920 x 1080
Refresh rate	420 Hz	240 Hz	260 Hz	200 Hz
Panel	Fast IPS	Fast IPS	Fast IPS	Fast IPS
Response time	1 ms	1 ms	1 ms	1 ms
Released	2025	2026	2026	2026