Product comparison · 2 monitors

Acer A221HQbmd computer monitor vs NEC PA231W computer monitor

33specifications compared
17differ
16identical
19known for one product only

Key differences

Display diagonal
- A221HQbmd computer monitor:55.9 cm (22")
- PA231W computer monitor:58.4 cm (23")
Display brightness (typical)
- A221HQbmd computer monitor:300 cd/m²
- PA231W computer monitor:270 cd/m²
Response time
- A221HQbmd computer monitor:5 ms
- PA231W computer monitor:8 ms
Viewing angle, horizontal
- A221HQbmd computer monitor:160°
- PA231W computer monitor:178°
Viewing angle, vertical
- A221HQbmd computer monitor:160°
- PA231W computer monitor:178°
Pixel pitch
- A221HQbmd computer monitor:0.248 x 0.248 mm
- PA231W computer monitor:0.265 x 0.265 mm
Built-in speaker(s)
- A221HQbmd computer monitor:Yes
- PA231W computer monitor:No
Product colour
- A221HQbmd computer monitor:Black
- PA231W computer monitor:White

Side by side

Differences highlightedShow differences only

Comparison of A221HQbmd, PA231W
52 specifications	A Acer A221HQbmd computer monitor Model A221HQbmd View product	B NEC PA231W computer monitor Model PA231W View product
Display6 differ
Display diagonalDiffers	55.9 cm (22")	58.4 cm (23")
Display brightness (typical)Differs	300 cd/m²	270 cd/m²
Response timeDiffers	5 ms	8 ms
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Viewing angle, horizontalDiffers	160°	178°
Viewing angle, verticalDiffers	160°	178°
Pixel pitchDiffers	0.248 x 0.248 mm	0.265 x 0.265 mm
Digital horizontal frequencyKnown for one	Unknown — not stated by the source	31.5 - 83 kHz
Digital vertical frequencyKnown for one	Unknown — not stated by the source	50 - 85 Hz
Contrast ratio (dynamic)Known for one	50000:1	Unknown — not stated by the source
Colour gamut standardKnown for one	sRGB	Unknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)Differs	Yes	No
Design1 differ
Product colourDiffers	Black	White
Ports & interfaces1 differ
DVI-D ports quantityKnown for one	Unknown — not stated by the source	2
DVI-I ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
HDCPDiffers	Yes	No
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Ergonomics2 differ
Panel mounting interfaceDiffers	100 x 100 mm	100 x 100,200 x 100 mm
Swivel angle rangeKnown for one	Unknown — not stated by the source	-45 - 45°
Tilt angle rangeDiffers	0 - 20°	-5 - 30°
Picture-in-PictureKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power consumption (typical)Differs	30 W	46 W
Power consumption (standby)Known for one	Unknown — not stated by the source	1 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Relative humidityKnown for one	Unknown — not stated by the source	30 - 80%
Weight & dimensions4 differ
Width (without stand)Differs	511.3 mm	543.6 mm
Depth (without stand)Differs	199.4 mm	227.6 mm
Height (without stand)Differs	370 mm	337.4 mm
Weight (without stand)Differs	4.7 kg	10.2 kg
Other features1 differ
Screen format adjustmentsKnown for one	Unknown — not stated by the source	4:3, 16:9
Power requirementsKnown for one	Unknown — not stated by the source	100-240V, AC
CertificationDiffers	CE, TÜV GS, MPRII, ISO9241-307	CE, ERP, FCC, UL/CUL, CCC, TCO 5.0
Mean time between failures (MTBF)Known for one	50000 h	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	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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