Product comparison · 2 monitors

Acer ET221QBD computer monitor vs Lenovo ThinkVision X24-20 computer monitor

30specifications compared
13differ
17identical
25known for one product only

Key differences

Display diagonal
- ET221QBD computer monitor:54.6 cm (21.5")
- ThinkVision X24-20 computer monitor:60.5 cm (23.8")
Response time
- ET221QBD computer monitor:4 ms
- ThinkVision X24-20 computer monitor:6 ms
VGA (D-Sub) ports quantity
- ET221QBD computer monitor:1
- ThinkVision X24-20 computer monitor:0
DVI port
- ET221QBD computer monitor:Yes
- ThinkVision X24-20 computer monitor:No
HDMI ports quantity
- ET221QBD computer monitor:0
- ThinkVision X24-20 computer monitor:1
VESA mounting
- ET221QBD computer monitor:Yes
- ThinkVision X24-20 computer monitor:No
Power consumption (typical)
- ET221QBD computer monitor:18 W
- ThinkVision X24-20 computer monitor:20 W
Power consumption (standby)
- ET221QBD computer monitor:0.45 W
- ThinkVision X24-20 computer monitor:0.5 W

Side by side

Differences highlightedShow differences only

Comparison of ET221QBD, X24-20
55 specifications	A Acer ET221QBD computer monitor Model ET221QBD View product	B Lenovo ThinkVision X24-20 computer monitor Model X24-20 View product
Display3 differ
Display diagonalDiffers	54.6 cm (21.5")	60.5 cm (23.8")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Display technology	LED	LED
Touchscreen	No	No
HD type	Full HD	Full HD
Panel type	IPS	IPS
Display brightness (typical)	250 cd/m²	250 cd/m²
Response timeDiffers	4 ms	6 ms
Screen shape	Flat	Flat
Supported graphics resolutionsDiffers	1920 x 1080 (HD 1080)	640 x 350, 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1366 x 768, 1440 x 900 (WXGA+), 1600 x 900, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080)
Aspect ratioKnown for one	Unknown — not stated by the source	16:9
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Viewing angle, horizontal	178°	178°
Viewing angle, vertical	178°	178°
Pixel pitchKnown for one	Unknown — not stated by the source	0.2745 x 0.2745 mm
Colour gamutKnown for one	Unknown — not stated by the source	72%
3D	No	No
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Maximum refresh rateKnown for one	60 Hz	Unknown — not stated by the source
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)	No	No
Built-in camera	No	No
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Business
Product colour	Black	Black
Ports & interfaces3 differ
VGA (D-Sub) ports quantityDiffers	1	0
DVI portDiffers	Yes	No
HDMI ports quantityDiffers	0	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Built-in USB hubKnown for one	No	Unknown — not stated by the source
Ergonomics1 differ
VESA mountingDiffers	Yes	No
Cable lock slot	No	No
Height adjustmentKnown for one	Unknown — not stated by the source	Yes
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
Number of OSD languagesKnown for one	Unknown — not stated by the source	8
Tilt adjustmentKnown for one	Yes	Unknown — not stated by the source
Tilt angle rangeKnown for one	-5 - 20°	Unknown — not stated by the source
LED indicatorsKnown for one	Power	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	18 W	20 W
Power consumption (standby)Differs	0.45 W	0.5 W
Weight & dimensions4 differ
Width (without stand)Differs	490 mm	537.4 mm
Depth (without stand)Differs	213.1 mm	220 mm
Height (without stand)Differs	396 mm	326.4 mm
Weight (without stand)Differs	3.4 kg	3.3 kg
Packaging contentidentical
Stand includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	HDMI
Power cable lengthKnown for one	Unknown — not stated by the source	1.8 m
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Silver, ENERGY STAR
Other featuresidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
On/off switch	Yes	Yes
TV tuner integrated	No	No
CertificationKnown for one	Unknown — not stated by the source	FCC Class B, TCO Displays 7.0, TCO Certifi ed Edge 2.0, WEEE
Supplied AC adapter type	LED	LED
Thin Clientidentical
Thin client installedKnown for one	Unknown — not stated by the source	No
Performanceidentical
NVIDIA G-SYNCKnown for one	No	Unknown — not stated by the source
AMD FreeSyncKnown for one	No	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More monitor comparisons

All monitor comparisons