Product comparison · 2 monitors

Acer A221HQb computer monitor vs Acer A231Hbd computer monitor

34specifications compared
10differ
24identical
14known for one product only

Key differences

Display diagonal
- A221HQb computer monitor:54.6 cm (21.5")
- A231Hbd computer monitor:58.4 cm (23")
Display brightness (typical)
- A221HQb computer monitor:250 cd/m²
- A231Hbd computer monitor:300 cd/m²
Contrast ratio (dynamic)
- A221HQb computer monitor:50000:1
- A231Hbd computer monitor:80000:1
Power consumption (typical)
- A221HQb computer monitor:30 W
- A231Hbd computer monitor:31.7 W
Power consumption (standby)
- A221HQb computer monitor:0.79 W
- A231Hbd computer monitor:0.76 W
Power consumption (off)
- A221HQb computer monitor:0.67 W
- A231Hbd computer monitor:0.72 W
Width (without stand)
- A221HQb computer monitor:511 mm
- A231Hbd computer monitor:544.3 mm
Depth (without stand)
- A221HQb computer monitor:371 mm
- A231Hbd computer monitor:184.8 mm

Side by side

Differences highlightedShow differences only

Comparison of A221HQb, A231Hbd
48 specifications	A Acer A221HQb computer monitor Model A221HQb View product	B Acer A231Hbd computer monitor Model A231Hbd View product
Display3 differ
Display diagonalDiffers	54.6 cm (21.5")	58.4 cm (23")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Touchscreen	No	No
HD type	Full HD	Full HD
Display brightness (typical)Differs	250 cd/m²	300 cd/m²
Response time	5 ms	5 ms
Aspect ratio	16:9	16:9
Contrast ratio (dynamic)Differs	50000:1	80000:1
Viewing angle, horizontal	176°	176°
Viewing angle, vertical	176°	176°
Display number of colours	16.78 million colours	16.78 million colours
Pixel pitchKnown for one	Unknown — not stated by the source	0.265 x 0.265 mm
Horizontal scan rangeKnown for one	Unknown — not stated by the source	54.2 - 83.8 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	49 - 75 Hz
Viewable size, horizontalKnown for one	Unknown — not stated by the source	51 cm
Viewable size, verticalKnown for one	Unknown — not stated by the source	28.7 cm
Supported graphics resolutionsKnown for one	1920 x 1080 (HD 1080)	Unknown — not stated by the source
3DKnown for one	No	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)	No	No
Built-in camera	No	No
Designidentical
Product colour	Black	Black
Ports & interfacesidentical
USB Type-A downstream ports quantity	0	0
VGA (D-Sub) ports quantity	1	1
DVI-D ports quantity	1	1
DVI-I ports quantity	0	0
HDMI ports quantity	0	0
HDCP	Yes	Yes
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Ergonomicsidentical
VESA mounting	Yes	Yes
Panel mounting interface	100 x 100 mm	100 x 100 mm
Cable lock slot	No	No
Height adjustmentKnown for one	Unknown — not stated by the source	No
Tilt angle rangeKnown for one	Unknown — not stated by the source	-5 - 15°
Power3 differ
Power consumption (typical)Differs	30 W	31.7 W
Power consumption (standby)Differs	0.79 W	0.76 W
Power consumption (off)Differs	0.67 W	0.72 W
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Weight & dimensions4 differ
Width (without stand)Differs	511 mm	544.3 mm
Depth (without stand)Differs	371 mm	184.8 mm
Height (without stand)Differs	199 mm	389 mm
Weight (without stand)Differs	3.5 kg	4.7 kg
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other featuresidentical
TV tuner integrated	No	No
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	LCD
CertificationKnown for one	MPR II WEEE	Unknown — not stated by the source
Thin Clientidentical
Thin client installed	No	No

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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