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HP 2311xi
Hewlett Packard Pavilion 22xi
HP x2401
Hewlett Packard 23xi
Hewlett Packard 2311gt 3D
HP 2311xi
Hewlett Packard Pavilion 22xi Monitor
HP x2401 LED-Lit Monitor
Hewlett Packard 23xi Monitor
Hewlett Packard 2311gt 3D Monitor
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Release Date
Sep 2012
Jan 2013
Nov 2012
Jan 2013
Oct 2011
Screen Size
23.0 inch
21.5 inch
24.0 inch
23.0 inch
23.0 inch
Aspect Ratio
Widescreen - 16:9
Widescreen - 16:9
16:9
Widescreen - 16:9
Widescreen (16:9)
Brightness
250.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
200.0 cd/m^2
Contrast Ratio
1000:1
1000:1
5000:1 / 10000000:1 (dynamic)
1000:1 / 10000000:1 (dynamic)
1000:1, 3000000:1
Max. Resolution
1920 x 1080
1920 x 1080
1920 x 1080
1920 x 1080
1920 x 1080
Color Depth
16.7 million colors
16.7 million colors
16.7 million colors
Monitor Type
LED Monitor
LED-backlit LCD monitor / TFT active matrix
LED Backlit Monitor
LED-backlit LCD monitor / TFT active matrix
3D-LED
Viewable Picture Size
23.0 in.
21.5 in.
23.0 in.
Average Rating
 4.1 stars
 4.0 stars
 3.6 stars
 3.2 stars
 3.1 stars