Product comparison · 2 monitors

Acer ET221Q computer monitor vs Acer KA251QAbd computer monitor

37specifications compared
15differ
22identical
25known for one product only

Key differences

Display diagonal
- ET221Q computer monitor:54.6 cm (21.5")
- KA251QAbd computer monitor:62.2 cm (24.5")
Panel type
- ET221Q computer monitor:IPS
- KA251QAbd computer monitor:TN
Response time
- ET221Q computer monitor:4 ms
- KA251QAbd computer monitor:5 ms
Viewing angle, horizontal
- ET221Q computer monitor:178°
- KA251QAbd computer monitor:170°
Viewing angle, vertical
- ET221Q computer monitor:178°
- KA251QAbd computer monitor:160°
DVI port
- ET221Q computer monitor:No
- KA251QAbd computer monitor:Yes
HDMI ports quantity
- ET221Q computer monitor:1
- KA251QAbd computer monitor:0
Power consumption (typical)
- ET221Q computer monitor:18 W
- KA251QAbd computer monitor:26.6 W

Side by side

Differences highlightedShow differences only

Comparison of ET221Q, KA251QAbd
62 specifications	A Acer ET221Q computer monitor Model ET221Q View product	B Acer KA251QAbd computer monitor Model KA251QAbd View product
Display6 differ
Display diagonalDiffers	54.6 cm (21.5")	62.2 cm (24.5")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Display technology	LED	LED
Touchscreen	No	No
HD type	Full HD	Full HD
Panel typeDiffers	IPS	TN
Display brightness (typical)	250 cd/m²	250 cd/m²
Response timeDiffers	4 ms	5 ms
Screen shape	Flat	Flat
Supported graphics resolutionsDiffers	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 800 (WXGA), 1440 x 900 (WXGA+), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080)	1920 x 1080 (HD 1080)
Supported video modesKnown for one	1080p	Unknown — not stated by the source
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (typical)	1000:1	1000:1
Contrast ratio (dynamic)Known for one	100000000:1	Unknown — not stated by the source
Maximum refresh rate	60 Hz	60 Hz
Viewing angle, horizontalDiffers	178°	170°
Viewing angle, verticalDiffers	178°	160°
Display number of colours	16.78 million colours	16.78 million colours
Pixel pitchKnown for one	0.248 x 0.248 mm	Unknown — not stated by the source
Digital horizontal frequencyKnown for one	Unknown — not stated by the source	31 - 83 kHz
Digital vertical frequencyKnown for one	Unknown — not stated by the source	56 - 76 Hz
3DKnown for one	Unknown — not stated by the source	No
Multimediaidentical
Built-in speaker(s)	No	No
Built-in camera	No	No
Designidentical
Product colour	Black	Black
Feet colourKnown for one	Black	Unknown — not stated by the source
Ports & interfaces2 differ
Built-in USB hub	No	No
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	No	Yes
HDMI ports quantityDiffers	1	0
Ergonomicsidentical
VESA mounting	Yes	Yes
Panel mounting interface	100 x 100 mm	100 x 100 mm
Cable lock slot	No	No
Height adjustment	No	No
SwivellingKnown for one	No	Unknown — not stated by the source
Tilt adjustmentKnown for one	Yes	Unknown — not stated by the source
Tilt angle range	-5 - 20°	-5 - 20°
On Screen Display (OSD)Known for one	Yes	Unknown — not stated by the source
Power4 differ
Energy efficiency class (SDR)Known for one	F	Unknown — not stated by the source
Energy consumption (SDR) per 1000 hoursKnown for one	17 kWh	Unknown — not stated by the source
Power consumption (typical)Differs	18 W	26.6 W
Power consumption (standby)Differs	0.5 W	0.24 W
Power consumption (off)Differs	0.45 W	0.24 W
Power consumption (PowerSave)Differs	16 W	0.43 W
Energy efficiency scaleKnown for one	A to G	Unknown — not stated by the source
Weight & dimensions3 differ
Width (without stand)Differs	490 mm	557 mm
Depth (without stand)	213 mm	213 mm
Height (without stand)Differs	396 mm	437 mm
Weight (without stand)Differs	3.4 kg	4.2 kg
Packaging contentidentical
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
CertificationKnown for one	CE, FCC	Unknown — not stated by the source
Supplied AC adapter type	LED	LED
On/off switchKnown for one	Unknown — not stated by the source	Yes
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	30000 h
Performanceidentical
NVIDIA G-SYNCKnown for one	Unknown — not stated by the source	No
AMD FreeSyncKnown for one	Unknown — not stated by the source	No
Thin Clientidentical
Thin client installedKnown for one	Unknown — not stated by the source	No
Logistics dataidentical
Products per palletKnown for one	Unknown — not stated by the source	70 pc(s)

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.

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