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Acer X223
Samsung B2030
NEC AS221WM
Acer X223WBD Black 22  Widescreen LCD Monitor
Samsung B2030 Monitor
NEC 22  AS221WM-BK Analog Digital Widescreen LCD Monitor with Speakers  Black
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Release Date
Sep 2008
Mar 2010
Oct 2009
Screen Size
22.0 inch
20.0 inch
22.0 inch
Aspect Ratio
16:10
16:9
16:10
Brightness
300.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
Contrast Ratio
2500:1
1000:1, 50000:1
1000:1
Dot Pitch
0.282 mm
0.282 mm
Max. Resolution
1680 x 1050
1600 x 900
1680 x 1050
Response Time
5.0 ms
5.0 ms
5.0 ms
Color Depth
24-bit (16.7M Colors)
24-bit (16.7M Colors)
24-bit (16.7M Colors)
Monitor Type
Widescreen LCD
Flat Panel LCD TFT (Active Matrix)
Widescreen LCD
Viewable Picture Size
22.0 in.
22.0 in.
Average Rating
 3.0 stars
 n stars
 n stars
Display
100% Positive
83% Positive
17% Negative