LG 27GX704A-B 27″ 240Hz Monitor

27 inch · 2560 x 1440 · 240 Hz · OLED

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 240 Hz
Panel OLED
Response time 0.03 ms

LG 27GX704A-B 27″ 240Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 240 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-10-04

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 240 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2025-10-04
Part number: 27GX704A-B.AEU
EAN / UPC: 8806096599921

Display

Display diagonal: 68.6 cm (27")
Display resolution: 2560 x 1440 pixels
HD type: Quad HD
Native aspect ratio: 16:9
Display technology: OLED
Panel type: OLED
Display brightness (typical): 275 cd/m²
Response time: 0.03 ms
Response time measurement type: GTG (Gray to Gray)
Screen shape: Flat
Contrast ratio (typical): 1500000:1
Maximum refresh rate: 240 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.2292 x 0.2292 mm
Display diagonal (metric): 67 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400 True Black, HDR Effect, High Dynamic Range 10 (HDR10)
Colour gamut standard: DCI-P3
Colour gamut: 98.5%

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium Pro
VESA Adaptive Sync support: Yes
Low Blue Light technology: Yes
Smart modes: Energy saving

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Design

Market positioning: Gaming
Product colour: Black
Detachable stand: Yes
Feet colour: Black

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort out version: 1.4
Headphone out: Yes
Headphone outputs: 3

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Height adjustment: Yes
Pivot: Yes
Swivelling: Yes
Tilt adjustment: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): F
Energy consumption (SDR) per 1000 hours: 24 kWh
Energy consumption (HDR) per 1000 hours: 23 kWh
Power consumption (typical): 36.6 W
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: External

Weight & dimensions

Width (with stand): 605.2 mm
Depth (with stand): 220 mm
Height (with stand): 532.6 mm
Weight (with stand): 7.2 kg
Width (without stand): 605.2 mm
Depth (without stand): 45.3 mm
Height (without stand): 351 mm
Weight (without stand): 4.8 kg

Other features

Brand specific technologies: Black Stabilizer
FPS counter: Yes
Warranty period: 2 year(s)

Check the manufacturer's page before buying.

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27GX704A-B vs similar monitors

	LG 27GX704A-B 27″ 240Hz Monitor	LG 27GR95QE-B 27″ 240Hz Monitor	AOC AG276QZD/69 27″ 240Hz Monitor	AOC G4 Q27G4ZDRAD 27″ 240Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	2560 x 1440	2560 x 1440	2560 x 1440	2560 x 1440
Refresh rate	240 Hz	240 Hz	240 Hz	240 Hz
Panel	OLED	OLED	OLED	OLED
Response time	0.03 ms	0.03 ms	0.03 ms	0.03 ms
Released	2025	2026	2026	2026