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Review index:
23” and 24” LCD monitors roundup
by Vincent Alzieu
Published on April 15, 2005

ViewSonic VP231wb
The foot, bezel and color are the usual ones found on ViewSonic’s monitors and are identical to the excellent VP191b. Is the miracle going to occur once again?


Ergonomics
At first sight everything is fine. The monitor is vertically adjustable, has a pivot mode, cables are guided from behind and we have the choice between analogical (D-Sub 15 pins) and numerical (DVI) interface. It also features a plus, appreciated by end users, an USB hub.

But, if we take a closer look, the picture isn’t as good as we expected. Unlike the first two monitors, it doesn’t have video input for DVD player or console. And then there is the external power supply… almost all monitors now have an internal power supply but not the VP231wb. And, as well as being external, it is enormous! It is even much bigger than an external hard drive!


Color quality
The VP231wb provides comparable results to the HP. That is quite normal because it also features an IPS panel. The usual technology’s characteristics are here, not a deep enough black, as well as DeltaE increase with the dark shades.

So, in the end, the white is at 222 cd/m², the black at 0.52 cd/m² (the Dell goes up to 0.27 cd/m² with standard parameters) and the contrast ratio is 427:1.


How to interpret the graph?

The X axis is 0 to 100, 0 is black and 100 is white.
With Delta E > 3 the desired colors is noticeably different from the one on the screen.
With 1 < Delta E < 2 colors are accurate. With Delta E < 1, the result is perfect.

Viewing angles
As usual, the manufacturer provides very optimistic figures thanks to the measuring method he used. That isn’t completely wrong because the image is still visible even from the top of the monitor. The picture quality, however, isn’t excellent for the whole display. It is excellent up to 90° and very good until 100° and a little bit too dark beyond this limit.

Games
Like the other two monitors, this one provides excellent results for slow games. Colors are vivid, and lines are sharp (as long as we used the native resolution). Problems arise when the game doesn’t allow the possibility of playing in 1920 x 1200 pixels. You need to find a way to use this resolution (like manually changing the resolution in the application shortcut, or in the start file …), or else choose a lower resolution. The unstretched 1600 x1200 is, of course, perfect below this resolution it gets blurred and sharpness is reduced.

Video

With the lack of YUV or RCA input on this monitor, it tends to be used less for video than the two other rival monitors tested here. The VP231wb is however connected to the computer featuring a DVD player and, most of the time, a high speed broadband Internet connection. Lower ergonomics won’t prevent this monitor from watching video sequences. Tested with a DVD, MPEG2 and WMA sequences in 1920x1200 pixels, this monitor behaved like any IPS with twinkling effect and afterglow.
This test was shorter than the two previous ones, because you have already understood that we weren’t fully convinced by this monitor. We don’t see any reason why you should choose this monitor in preference to the nicer, no more expensive and with better ergonomics HP and Dell.


Take a look at this manufacture’s dead pixel policy by clicking here!

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