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Alexandre Botella Published on February 15, 2010
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  • Screen size 23 inches
  • Panel type TN
  • Resolution 1920 x 1080 pixels
  • Response time 2 ms
  • Inputs (HDMI / DVI / VGA / Component) 1 / 1 / 1 / 0
  • Other details Multitouch, glossy finish, speakers, height-adjstable
After releasing a 120 Hz monitor, Acer has clearly decided not to put all its eggs in one basket, and has also joined the world of touchscreen monitors with the T230H.  It's a Full HD 23'' monitor with a 2 ms response time.

Hardware: all the basics are there

The T230H sits on a stand that allows you to rotate from side to side as well as move it up and town.  At the back, there are VGA, DVI and HDMI inputs.  For audio, there's a separate input leading to the speakers if you're not using the HDMI port.  Taken together, these features make for a relatively complete monitor, which is why it scores four stars in this section.  To gain the famous fifth start, it would have had to go a little future and include accessories like a memory card reader or, a USB hub or even a webcam.

Responsiveness: touschreen and 2 ms

As a general rule, touchscreen monitors have a response time of 5 ms at best, which means they're more suited to office use.  The T230H, though, has a 2 ms response time, meaning it should be able to stand up to the demands thrown at it by gamers--or so the theory goes.

Coloured    Transparent
Average ghosting over ten frames

In practice, Acer delivers.  This is a very responsive monitor that can easily handle rapid movements without suffering from any blurriness.  Its other strength is that its input lag is only around one frame on average, meaning it won't hold you back during multi-player sessions.

Colours: almost perfect out of the box

Default Colours

Ideal Colours
Compare the Acer T230H to other LCD monitors in our Product Face-Off

The Acer T230H gave us an excellent surprise by producing the best colours we've ever seen.  We measured an average discrepancy between the colours requested by the graphics card and those shown on screen, or deltaE of just 1.5.  We normally consider that when this value falls below 3.0 it's invisible to non-specialists.  We still noticed a small problem with the gamma, or the division of luminance across tones of grey.

Things were going so well, but the monitor has one big weakness: contrast.  In general, most screens manage a contrast ratio of 850:1 without any problem; the T230H is only 350:1.  To the eye it doesn't look too bad though, because of its glossy finish.  That doesn't mean we've changed our opinion about the use of glossy screens on laptops: we're still convinced they're a bad idea.  On a desktop monitor, though, which won't ever be outside, it's less of a problem.  It's even an advantage for the T230H, but if you buy one, you'll need to think carefully about where you put it in relation to light sources in the room.

A second point it's worth paying attention to is relatively low brightness.  By default, it's only 126 cd/m², but we'd normally expect around 200 cd/m². 
We've already tried multitouch technology on a monitor with the Iiyama T2250M. Our opinion remains unchanged: you can leave your keyboard and mouse to one side if you're looking through photos or browsing the web. We were most struck by its power in Media Centre on Window 7. Elsewhere, though, we need to see more apps that are suited to multitouch. In the meantime, we'll keep working on our arms, because after an of using one of these screens, you really are worn out.


  • Accurate colours with factory settings
  • Responsiveness
  • Hardware options
  • Low input lag


  • Contrast half as good as average
  • TN panel, so poor vertical viewing angles


As well as having multitouch, the T230H is an excellent monitor in its own right. It's a shame that such poor contrast cost it a fifth star.
4 Acer T230H DigitalVersus 2010-02-15 00:00:00
Compare: Acer T230H to its competitors
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