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Pierre-Jean Alzieu Published on August 27, 2012
Translated by Catherine Barraclough
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  • Screen size 55 inches
  • Resolution 1920 x 1080 pixels
  • HD compatibility (1080i/720p) Yes / Yes
  • HD Ready certification Yes
  • Brightness NC
  • Contrast ratio NC
This model is the 55'' version of the 42'' LG 42LM615T TV that we tested in our labs. For more information about the LM615T, please therefore go to our review of the LG 42LM615T.

Everything we said in the LG 42LM615T review holds true for this model—the only thing that's different is the screen size!

Sometimes manufacturers fit the different sized models of a given television with panels from different sources. In such cases, our comments are only valid for a specific size of a given TV, fitted with the panel that we originally tested. Contrast, black levels, colour fidelity and ghosting are all subject to change from one panel to another. When different panels are used, we'll be sure to let you know about it!

Manufacturers who do use the same panel in all the various sized TVs sold under a given model number can expect the same results across the whole range. The only factor that could be prone to slight variation is the brightness, producing a slightly different contrast. However, according to our own tests, and assurances from manufacturers, the results of one TV can accurately be applied to other sized models in the series when the same panel is used.
Our Recommended Settings
After trying and testing the various options in the internal menu, for watching films, we found the best bet was "Cinema" mode. We didn't change any other settings.

For low-resolution sources (DVD, SD TV, etc.), you're better off leaving upscaling to a latest-generation console (PS3, XBOX 360, etc.). If you don't have a console, try upping the sharpness setting to artificially increase image definition for a sharper-looking result.

Our Readings (with the above settings):

Contrast: 740:1
Black: 0.27 cd/m²
Gamma: 4.8 / 5
Delta E: 1.8
Average discrepancy across display: 16%
Viewing angles: 2.5 / 5
Power use: 113 W
Media player: 3.4 / 5

See also How Do We Test TVs?


  • Very good default image settings, which is rare!
  • Excellent 3D: low crosstalk, less visual fatigue with passive glasses
  • Four pairs of 3D glasses supplied
  • 3D glasses are light and comfortable


  • Low contrast (740:1)
  • No motion interpolation
  • Media player doesn't support chapters or menus
  • Disappointing audio quality


The LG LM615T is an excellent TV ... for well-lit rooms. The black level just isn't deep enough for lights-out cinema-style viewing. That's all the more of a shame since the out-of-the-box picture settings are excellent and 3D image quality is first rate.
3 LG 55LM615T DigitalVersus 2012-08-27 10:01:00
Compare: LG 55LM615T to its competitors
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