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    UN43RU7100
    A 43-inch LCD (LED) 4K UHD TV from Samsung, with 2160p resolution, and a claimed 120-hertz refresh rate (may not be true native frame rate), three HDMI inputs, one component-video input, and two USB ports. This TV is internet enabled.
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    * This Model May Have Limited Distribution

    Description
    A 43-inch LCD (LED) 4K UHD TV from Samsung, with 2160p resolution, and a claimed 120-hertz refresh rate (may not be true native frame rate), three HDMI inputs, one component-video input, and two USB ports. This TV is internet enabled.

    CR Expert Take

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

    What goes into the Overall Score?

    Ratings Scorecard

    OWNER SURVEYS

    Predicted Reliability
     /  5
    Owner Satisfaction
     /  5

    EXPERT LAB TESTS

    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

    HD PICTURE QUALITY. HD picture quality is very good. Reproduction of fine HD image detail is excellent. Color accuracy is excellent, so colors, especially flesh tones, look very natural and lifelike. Contrast--the difference between the darkest blacks and brightest whites--is good, so images have depth and dimension. The model has fairly deep black levels, just shy of the best models, which gives dark scenes better depth (though quality does degrade as you move to the sides - see viewing angle). Image brightness is only fair, dimmer than most even with the backlight turned up, and is not the best choice for a bright room. In scenes with subtly shaded light-to-dark areas, such as a sky during sunset, the model does a very good job producing a smooth transition without distinct, coarse bands. There is slight display non-uniformity that creates 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 model to model. The deinterlacing and film mode operations are excellent on HD content; there is little or no trace of jaggies on the edges of objects for video and film-based 1080i video content, such as from cable.

    ULTRA HD PERFORMANCE. Overall UHD performance is very good and has excellent HD-to-UHD upconversion. All native 4K content (non HDR) we played on this model, including movies and test videos, is presented in full 4K detail with excellent fidelity when played back via the TV's HDMI input. Via the USB port, high-resolution photos are displayed in full 4K detail. With regular HD content, the TV's HD-to-UHD up-conversion processing is generally excellent with the edges along diagonals of image content looking very smooth with minimal jaggies.

    HIGH DYNAMIC RANGE (HDR) PERFORMANCE. Though this TV supports the playback of HDR content, its HDR performance is ineffective and lacks the enhancements in image quality expected from this capability. The display does not have the peak brightness capability necessary (by HDR standards) to reproduce the extended contrast on content mastered for HDR. There is no significant contrast revealed between moderately bright and very bright highlights within a scene, while the brightness levels in the mid-to-lower tones, like those in an indoor scene, are somewhat limited.

    VIEWING ANGLE. This Samsung has a narrow viewing angle overall, below-average performance among TVs for this attribute. Only those seated directly in front of the screen will see the best picture quality. When we view the TV from the sides image quality degrades significantly. The picture shows a strong loss of color, so flesh tones look very washed out. Black levels visibly brighten, reducing contrast especially on dark scenes. When viewing the image from above or below eye level to the screen, the vertical viewing angle is good. The picture shows some change in color, contrast, and black level.

    MOTION BLUR. This Samsung TV has good motion performance, with some blurring on our motion tests. Although this TV includes a "LED Clear Motion" setting that is effective at further reducing motion blur, it limited the brightness of the image and also added some flicker to the picture, so we left the feature off.

    SOUND QUALITY. This model has good sound quality; about average among the models we've tested. When watching a blockbuster movie, a concert, or TV show, it delivers decent performance but falls short of the better performers. Bass is adequate, which adds some fullness to the sound but a bit lacking in clarity, and treble is nicely detailed, while the overall sound is closed in. The speakers produce a good volume range so this model should play sufficiently loud in typical room environments, but quality does degrade at the highest settings. Most people would find this sound quality acceptable.

    EASE OF USE. On first power up there is an on-screen guide that helps you through setting up the TV. The remote has a traditional design with a full number key pad. It also provides convenient direct button access to streaming services including Netflix, Amazon Prime Video, and Hulu. Consider the TV's stand is 32 inches wide when choosing a table top to place it on.

    INTERNET FEATURES. This Smart TV provides Internet functionality via its "Smart Hub" portal with access to a library of applications, and a full Web browser. Movie streaming services that can be downloaded to this TV, or are built-in, include Netflix, YouTube, Amazon Prime Video, Hulu and HBO Now. Support for external voice assistants (not built in to the TV) include: Amazon Alexa, Google Assistant.

    CONNECTIONS. This model has three HDMI inputs-- one supports ARC (Audio Return Channel), one "component/composite shared" input (which means you can only use one type or the other at a time). It also has two USB ports, an optical digital audio out, an Ethernet port, WiFi wireless networking; DLNA, to access files within your home network; Screen mirroring, where the image on your smartphone or other compatible device can also appear on the TV.

    INCLUDED IN THE BOX. A printed user manual. A quick start guide. An electronic user guide via the TV's menu. A remote control with batteries. A detachable power cord.

    About

    The Samsung UN43RU7100 is a 43-inch LCD (LED) 4K UHD TV with a native resolution of 3840x2160 (2160p). Rather than the basic 60Hz, it claims a faster 120Hz frame rate, a feature designed to reduce motion blur.

    It includes an Ethernet jack allowing for a wired connection to your home network. It is also WiFi 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 TV has three HDMI inputs, and one component-video input. Which also doubles as a composite-video input. It also has two USB ports, which may be used to play media--photos, videos, and music--stored on a flash drive.

    The Samsung UN43RU7100 measures 25.1 inches high by 38.2 inches wide by 8.3 inches deep, including its base. The panel itself is 2.3 inches thick including any protrusions.

    The warranty on this model covers parts for 12 months and labor for 12 months.

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