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PRAD | Review Dell U2711: Top monitor with video signal problems

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Review Dell U2711: Top monitor with video signal problems

Autor: Siobhan Hayes
04/28/2010, 18:39 CET

The U2711 is DELL’s latest youngster in the computer LCD sector. We have had the opportunity to test it thoroughly before its market launch. Whilst no major optical changes have been made compared to the model’s predecessor, (2709W), this monitor is a completely new product in terms of technology. The 27-inch H-IPS panel has an unusually fine resolution at 2,560 x 1,440 pixels. Since the pixel aspect ratio is of course still square, the screen has an aspect ratio of 16:9. The 2709W used an S-PVA panel with 1,920 x 1,200 pixels.

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The numerous signal inputs leave little to be desired. The computer is primarily connected via DVI-D or DisplayPort. For analogue and digital video sources, a HDMI, YPbPr, and Composite input are available.

DELL has also upgraded in terms of electronics: Like the still new U2410, the U2711 also contains a 12-Bit LUT. Furthermore, DELL advertises the model as having a colour depth of 1.07 billion colours. This may indicate a real 10-bit panel – but not necessarily (see the review of the Eizo CG 243W). Fundamentally, an 8-Bit panel would not be very problematic, since the range of hues is “saved” through suitable dithering measures. The use of the powerful electronics has also made it possible for DELL to implement two colour space limited image modes ("sRGB" and "AdobeRGB"), which should ensure acceptable colour display in unmanaged environments.



Dell U2711: Top monitor with video signal problems. (Picture: Dell)

After unpleasant spatial dithering side effects arose in the first revision of the U2410, we are curious to see whether or not DELL can avoid this faux pas on the U2711 from the outset. Overall, the DELL U2711 can be recommended, at least on paper, for highly ambitious CEPS and "poaches" in the region of the Eizo SX and NEC 90 series. However, this is also reflected in the price.

Read how the Dell U2711 performs in our detailed PRAD view.

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