LG 20U401A-B.AWH 20″ 75Hz Monitor

20 inch · 1600 x 900 · 75 Hz · TN

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Screen size 20 inch
Resolution 1600 x 900
Refresh rate 75 Hz
Panel TN
Response time 5 ms

LG 20U401A-B.AWH 20″ 75Hz Monitor is a 20-inch monitor with 1600 x 900 resolution, a 75 Hz refresh rate and TN panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2026.

Released: 2026-03-31

Specifications

Key specs

Screen size: 20 inch
Resolution: 1600 x 900
Refresh rate: 75 Hz
Panel: TN
Response time: 5 ms
Released: 2026-03-31
Part number: 20U401A-B.AWZM

Display

Display diagonal: 49.5 cm (19.5")
Display resolution: 1600 x 900 pixels
HD type: HD+
Native aspect ratio: 16:9
Display technology: LED
Panel type: TN
Display brightness (typical): 250 cd/m²
Response time: 5 ms
Response time measurement type: GTG (Gray to Gray)
Screen shape: Flat
Maximum refresh rate: 75 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Colour gamut standard: NTSC
NTSC coverage (typical): 72%

Performance

Flicker-free technology: Yes
Smart modes: Energy saving

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Design

Market positioning: Consumer
Product colour: Black

Ports & interfaces

VGA (D-Sub) ports quantity: 1
HDMI: Yes
HDMI ports quantity: 1
HDMI version: 1.4
Headphone out: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 75 x 75 mm
Wall mountable: Yes
Tilt adjustment: Yes
Tilt angle range: -5 - 15°

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): E
Energy consumption (SDR) per 1000 hours: 13 kWh
Energy consumption (HDR) per 1000 hours: 16 kWh
Power consumption (typical): 13 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
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 463.8 mm
Depth (with stand): 190 mm
Height (with stand): 364.6 mm
Weight (with stand): 2.25 kg
Width (without stand): 463.8 mm
Depth (without stand): 38.4 mm
Height (without stand): 276.4 mm
Weight (without stand): 1.9 kg

Other features

Brand specific technologies: Black Stabilizer

Check the manufacturer's page before buying.

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20U401A-B.AWH vs similar monitors

	LG 20U401A-B.AWH 20″ 75Hz Monitor	Lenovo D20-39 Monitor	LG 22MK400H-B 22″ 75Hz Monitor	iiyama ProLite T1721MSC-B3 17″ 75Hz Monitor
Screen size	20 inch	20 inch	22 inch	17 inch
Resolution	1600 x 900	1600 x 900	1920 x 1080	1280 x 1024
Refresh rate	75 Hz	60 Hz	75 Hz	75 Hz
Panel	TN	TN	TN	TN
Response time	5 ms	5 ms	5 ms	5 ms
Released	2026	2026	2026	2026