Product comparison · 2 monitors

Acer ET221QBD computer monitor vs Acer KA271Bbid computer monitor

33specifications compared
14differ
19identical
22known for one product only

Key differences

Display diagonal
- ET221QBD computer monitor:54.6 cm (21.5")
- KA271Bbid computer monitor:68.6 cm (27")
Panel type
- ET221QBD computer monitor:IPS
- KA271Bbid computer monitor:TN+Film
Display brightness (typical)
- ET221QBD computer monitor:250 cd/m²
- KA271Bbid computer monitor:300 cd/m²
Response time
- ET221QBD computer monitor:4 ms
- KA271Bbid computer monitor:1 ms
Maximum refresh rate
- ET221QBD computer monitor:60 Hz
- KA271Bbid computer monitor:75 Hz
Viewing angle, horizontal
- ET221QBD computer monitor:178°
- KA271Bbid computer monitor:170°
Viewing angle, vertical
- ET221QBD computer monitor:178°
- KA271Bbid computer monitor:160°
HDMI ports quantity
- ET221QBD computer monitor:0
- KA271Bbid computer monitor:1

Side by side

Differences highlightedShow differences only

Comparison of ET221QBD, KA271Bbid
55 specifications	A Acer ET221QBD computer monitor Model ET221QBD View product	B Acer KA271Bbid computer monitor Model KA271Bbid View product
Display7 differ
Display diagonalDiffers	54.6 cm (21.5")	68.6 cm (27")
Panel typeDiffers	IPS	TN+Film
Backlight typeKnown for one	Unknown — not stated by the source	LED
Display brightness (typical)Differs	250 cd/m²	300 cd/m²
Response timeDiffers	4 ms	1 ms
Aspect ratioKnown for one	Unknown — not stated by the source	16:9
Contrast ratio (dynamic)Known for one	Unknown — not stated by the source	100000000:1
Maximum refresh rateDiffers	60 Hz	75 Hz
Viewing angle, horizontalDiffers	178°	170°
Viewing angle, verticalDiffers	178°	160°
Horizontal scan rangeKnown for one	Unknown — not stated by the source	30 - 91 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	55 - 76 Hz
Display technologyKnown for one	LED	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)Known for one	No	Unknown — not stated by the source
Ports & interfaces1 differ
HDMI ports quantityDiffers	0	1
Ergonomicsidentical
Height adjustmentKnown for one	Unknown — not stated by the source	No
Cable lock slotKnown for one	No	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	16.87 W
Power consumption (standby)Differs	0.45 W	0.32 W
Power consumption (average)Known for one	Unknown — not stated by the source	26 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.23 W
Weight & dimensions4 differ
Width (with stand)Known for one	Unknown — not stated by the source	614 mm
Depth (with stand)Known for one	Unknown — not stated by the source	230 mm
Height (with stand)Known for one	Unknown — not stated by the source	465 mm
Weight (with stand)Known for one	Unknown — not stated by the source	5.8 kg
Width (without stand)Differs	490 mm	614 mm
Depth (without stand)Differs	213.1 mm	61 mm
Height (without stand)Differs	396 mm	367 mm
Weight (without stand)Differs	3.4 kg	5.15 kg
Packaging contentidentical
Stand includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC, VGA
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Other featuresidentical
CertificationKnown for one	Unknown — not stated by the source	MPR II
On/off switchKnown for one	Yes	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	LED	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.

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