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    55UF6800
    A 55-inch LCD Ultra HD with LED backlighting from LG with 2160p resolution, a 120Hz refresh rate, 3 HDMI inputs, and 1 component-video input. Other screen sizes in this model line include: (65")
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    Description
    A 55-inch LCD Ultra HD with LED backlighting from LG with 2160p resolution, a 120Hz refresh rate, 3 HDMI inputs, and 1 component-video input. Other screen sizes in this model line include: (65")
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    We investigate, research and test so you can choose with confidence.

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    We investigate, research and test so you can choose with confidence.

    Become a member to compare products & get access to ratings.

    We investigate, research and test so you can choose with confidence.

    CR Expert Take

    How did it perform in our owner surveys and expert lab testing?

    Overall Score

    The Overall Score for this model incorporates our expert lab test results, as well as ratings for that brand’s reliability and owner satisfaction from our annual product owner survey of members.
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    Current Range of Tested TVs
    What goes into the Overall Score?

    OWNER SURVEYS

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    Predicted Reliability
     /  5
    Owner Satisfaction
     /  5
    HD picture quality
     /  5
    UHD picture quality
     /  5
    HDR
     /  5
    Viewing angle
     /  5
    Motion blur
     /  5
    Sound quality
     /  5
    Versatility
     /  5
    Data privacy
     /  5
    Data security
     /  5
    Ultra HD Picture Quality
     /  5
    Ultra HD performance
     /  5
    Color
     /  5
    Screen size (in.)
     /  5
    TV resolution type
     /  5
    Display type (Backlight)
     /  5
    Internet-enabled
     /  5
    Energy cost/yr. ($)
     /  5

    Detailed Test Results

    PICTURE QUALITY This model had very good high-definition picture quality. It did an excellent job displaying the finest HD detail. Color accuracy was generally very good, though we noted an overall greenish tone to the image. Contrast--the difference between the darkest blacks and brightest whites--was good, so images had depth and dimension, typical of most models we test. The brightness level was good, making it a suitable choice for most rooms. Black levels were only fair with darker areas of the image looking unnaturally illuminated. Dark scenes, in particular, looked hazy and lacked contrast. We lowered gamma to 1.9 to compensate for compressed dark shadow detail. In scenes with subtly shaded light-to-dark areas, such as a sky during sunset, the TV did a very good job producing a smooth transition without distinct, coarse bands. There was slight display nonuniformity that created brighter cloudy areas most noticeable on very dark scenes (or in the black bars of a letterboxed movie). We routinely see this issue with LCDs and severity can vary from TV to TV, so check your model and see if you find it a problem. The deinterlacing and film mode operations were excellent on HD content; there was little or no trace of jaggies on the edges of objects for video and film-based 1080i video content, such as from cable.

    VIEWING ANGLE This LG has a wide viewing angle overall, better than that of most LCDs. It will provide the same picture quality, with fewer problems than most LCD sets, for typical viewing conditions--say, if your family is seated across a long sectional or in chairs off to the sides of the TV.

    With brighter scenes, like sporting events, the display did a fine job maintaining accurate colors and decent contrast whether we moved off to the sides or were viewing from above or from below screen. The picture did show some dimming from the sides but not to any point we found distracting. With dark scenes the display didn't fare quite as well. When viewed from the sides, the depth of black levels varied depending on the vertical position of the viewer's head. As we moved closer to the screen this limitation became even more apparent, especially if seated on the floor looking upward where black levels brightened significantly. This display's wide viewing angle is best appreciated when viewed at eye level to the screen.

    ULTRA HD PERFORMANCE This LG UHD TV delivers 4K picture detail, along with very good HD-to-UHD upconversion. All native 4K content we played on this model, including movies and test videos from our Sony FMPX10 player, was presented in full detail with excellent image fidelity when played back via the TV's HDMI input. Though our 4K test patterns showed some slight loss of the finest horizontal detail, we couldn't detect this on normal 4K video content. This model also supports video streaming of 4K programs via both Netflix and YouTube (among other emerging sources), and again, images were finely detailed. Using the TV's USB port, we were able to play back 4K videos stored on a flash drive encoded in the HEVC, MP4, and VP9 formats. High resolution photos were displayed in full 4K detail, taking full advantage of UHD's extra resolution. With regular HD content, the TV's HD-to-UHD up-conversion processing was very good, with edges along diagonals of image content showing very slight jaggies, just short of the best we've seen. All three of the TV's HDMI inputs comply with the latest HDCP 2.2 and HDMI 2.0 specifications for both copy protection and 4K video play back at 60Hz, a requirement for compatibility with emerging 4K movie play back devices such as a 4K Blu-ray player.

    MOTION BLUR This LG TV has only fair motion performance, with significant blurring on our motion tests. Though it claims to have a higher frame rate than 60Hz, a feature designed to reduce motion blur, it could not be found in the menu, and performance was worse than on models with an effective similar feature. On typical program content, the blurring effect is often fleeting and may not bother most people. However, keen-eyed viewers may detect the loss of texture and detail on scenes with movement, especially in high-quality video such as a Blu-ray movie.

    SCREEN REFLECTIVITY Though not as mirror-like as on some LCDs, this screen surface is glossy and therefore susceptible to reflections from a nearby lamp or window. The screen is dark so it does a good job reducing glare from ambient light and maintains contrast even in a bright room.

    SOUND QUALITY This TV has good sound quality; about average among the TVs we've tested. When watching a movie blockbuster, a concert, or TV show, it delivers decent performance but falls short of the better performers. With movies, dialog was generally clear sounding, though a bit muffled, while remaining well balanced with respect to background music and other sounds. Bass extension was decent, though a tad boomy, which added some fullness to the sound, and treble was nicely detailed, while the overall sound was somewhat closed in. It has a good volume range so the TV should play sufficiently loud in typical room environments. Most will find this sound quality acceptable.

    EASE OF USE Overall, we found the set easy to use. Setting up the TV for the first time was fairly straightforward, as was access to features and controls you'll probably adjust only once. Ease of access to features you typically use more often was very good. Also, the remote is very good, and the on-screen menu is easy to navigate.

    The black against black labeling of the connectors on the TV console is very difficult to read. The remote's major function buttons were sufficiently large and have high-contrast labeling, making them easier to see and navigate.

    STAND ASSEMBLY Mounting the support stand to the TV is straightforward.

    INTERNET FEATURES This TV provides advanced Internet capability. Features include access to a library of applications via "LG Content Store" and a full Web browser. Movie streaming services include: Netflix, Amazon, Hulu Plus, Vudu, YouTube, Pandora, Rhapsody, Spotify, iHeartRadio, Google play Movies & TV. It also supports an optional Web cam for access to video conferencing applications such as Skype.

    CONNECTIONS This TV includes three HDMI inputs, one shared connection between the component and composite inputs (which means you can only use one type or the other at a time), optical digital audio out, one USB port, an Ethernet port, and Wi-Fi. Wireless connectivity includes: DLNA network file sharing. HDMI and analog cable connections made to the rear-facing panel will protrude beyond the panel's slim depth.

    INCLUDED IN THE BOX The TV comes with: a printed user manual, an electronic manual in the TV's menu, a quick start guide, and a remote with batteries. ABOUT FIRMWARE VERSION: Our test results and picture settings are valid for the version of firmware indicated. If your TV's firmware differs from the one shown you either have an older or a newer version of firmware. Manufacturers may periodically upgrade the TV's firmware to enhance operation, fix bugs, or add features. Firmware upgrades may be downloadable directly to your TV via a wired or wireless network (if internet capable), USB port, or memory card, depending on your TV's capability. You can check your TV's firmware version, or upgrade to the latest firmware by pressing the menu button on your remote and navigating to the appropriate submenu, typically under settings. Consult the user manual or manufacturer's website if further guidance is needed.

    About

    The LG 55UF6800 is a 55-inch LCD Ultra HD with a native resolution of 3840x2160 (2160p). It has an LED backlight. Rather than the basic 60Hz, it has a faster 120Hz frame rate, a feature designed to reduce motion blur.

    This model is Internet-enabled and can access online content, including streaming movie and TV services. It has an Ethernet jack for a wired connection to your home network via a cable. This TV is also Wi-Fi capable, so you can connect it to your home network wirelessly. It is DLNA certified, so you can view digital photos stored on a compatible computer, phone, or other mobile device also connected to your home network.

    This set has 3 HDMI inputs and 1 component-video inputs, which also doubles as a composite-video input. It also has a USB port, which may be used to play media--photos, videos, and music--stored on a flash drive.

    The LG 55UF6800 measures 30.6 inches high by 48.8 inches wide by 9.3 inches deep, including its base. The panel itself is 2.2 inches thick including any protrusions, and the screen has a glossy finish. The bezel framing the screen is matte gray

    The warranty on this TV covers parts/labor for 12/12 months, respectively. Other screen sizes in this model line include: 65UF6800 (65")

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