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The Samsung UN40D6400 is a television that is part of an affordable series of 3D displays.

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good range of input types, including a few HDMI 1.4 connections

1 agrees

thin glass bezel is gorgeous, feels like picture is floating on the stand

1 agrees

fast motion pictures are very smooth, good for sports

1 agrees

blacks are very deep, no flash lighting or clouding

1 agrees

SmartTV apps are well rendered, easy to navigate

1 agrees

3D effect is very good, genuinely feels like things are coming right at you

1 agrees
  • Only 3 words are allowed.

bezel itself feels hot to the touch after a few hours of use

1 agrees

switching between sources is a little slow

1 agrees

glass screen has some reflections in daylight

1 agrees
  • Only 3 words are allowed.


The Samsung UN40D6400 is a television that is part of an affordable series of 3D displays. The 40 inch screen is an expansion from the Samsung UN32D6400, and is followed by the larger Samsung UN40D6400. A 120Hz refresh rate is used for precise rendering of fast-moving 2D content, and 3D is possible through double frame-rate technology and the use of Bluetooth 3D active glasses. Video can be displayed in full high definition 1080p. Backlighting is handled with edge-lit LED technology, and local dimming enables a stronger contrast between colors. The unit is WiFi ready, featuring an number of Samsung apps, compatibility with Netflix, Vudu and Amazon VOD, and full access to the home network through DLNA.

  • Edge-lit LED backlight 
  • Local dimming
  • 3D compatible 
  • Supports Bluetooth 3D active glasses
  • 120Hz refresh rate 
  • Double frame-rate technology
  • Samsung Apps with universal search of Netflix, Vudu and Amazon VOD
  • WiFi Ready (with optional dongle)
  • DLNA compatible
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