Archive: 50'' and larger TVs - late 2008, early 2009

REVIEW / Sony Bravia KDL-40CX520

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Last updated: June 24, 2012  
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Pierre-Jean Alzieu
Pierre Anzil
Published on April 10, 2011
Translated by
This is an archive page, the content is no longer up to date.


  • Screen size 40 inches
  • Resolution 1920 x 1080 pixels
  • HD compatibility (1080i/720p) Oui / Oui
  • HD Ready certification Yes
  • Brightness NC
  • Contrast ratio NC
This model is the 40'' version of the 46'' TV that we tested in our labs, the Sony Bravia KDL-46CX520.

Everything we said in the original article holds true--the only thing that's different is the size!

The only exception is that some manufacturers fit different sized televisions with panels from different sources.  In that case, our comments are only valid for the panel that we originally tested.  Contrast, black levels, colour handling and ghosting are all subject to change from one panel to another.

Manufacturers who do fit the same panel in all of the TVs in a range can expect the same results across the whole range.  The only factor which could be prone to slight variation is the brightness, producing slightly different contrast.  According to our own tests, and assurances from manufacturers, the results of one TV can accurately be applied to others in the range.


  • Excellent contrast and very deep blacks: 3364:1 and 0.06 cd/m²
  • Accurate colours: average deltaE of 1.5
  • Matte finish doesn't suffer from reflections
  • No clouding on the version we tested
  • Low energy consumption: 71 W


  • No motion interpolation
  • Viewing angles too narrow
  • Media player doesn't support enough video formats
  • Panel responsiveness below average


The Sony Bravia CX520 is an entry-level TV with great picture quality and no problems with clouding. All that's missing is support for 3D and motion interpolation.
3 Sony Bravia KDL-40CX520 Digitalversus 2011-04-10 00:00:00


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