When comparing Samsung MU7000 Series 40" (UN40MU7000) vs VIZIO M-Series 55" (M55-E0), the Slant community recommends Samsung MU7000 Series 40" (UN40MU7000) for most people. In the question“What are the best TVs?” Samsung MU7000 Series 40" (UN40MU7000) is ranked 30th while VIZIO M-Series 55" (M55-E0) is ranked 113rd. The most important reason people chose Samsung MU7000 Series 40" (UN40MU7000) is:
The MU7000 is a great well-rounded option for watching movies, gaming, and sports. Its picture quality is decent, it has low input lag and low motion blur, and the screen uniformity is great. It can also be used as a PC monitor.
Specs
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Pros
Pro Great well-rounded option
The MU7000 is a great well-rounded option for watching movies, gaming, and sports. Its picture quality is decent, it has low input lag and low motion blur, and the screen uniformity is great. It can also be used as a PC monitor.
Pro Remote has a voice command feature
The MU7000's remote has a voice command feature that can perform actions as you physically would with the remote, and it can even be used to adjust settings directly.
Pro Intuitive user interface
The MU7000 runs on the Tizen smart platform, known for its simplicity and intuitiveness.
It’s easy to navigate and access all the functions of features of the TV - the whole menu of the Tizen OS is organized around a menu known as the “Smart Hub” which contains everything: apps, settings, input switching, etc.
It also has a section for quick access to frequently used items.
Pro Decent for casual movies/TV watching
The MU7000 is a decent pick if you're a casual viewer. You'll get a great 4K/SDR experience, but the HDR performance might be lacklustre due to the lack of local dimming and low HDR peak brightness.
Pro Decent for gaming
The MU7000 is decent for gaming thanks to the fairly low input lag and barely noticeable motion blur. Its input lag of ~20ms contributes to a responsive gaming experience, and the panel's response time of ~20ms means it can handle motion fairly well - most don't notice any visible trails behind fast-moving objects.
Pro Can be used as a PC monitor
The MU7000 is suitable as a PC monitor because of its relatively small screen size of 40". It can be used up front thanks to the small minimal viewing distance, and it has full 4:4:4 color support that ensures text or shapes with clear, hard edges are not blurry.
Pro Decent picture quality
The MU7000 looks good with really deep black levels and sufficient peak brightness levels for most content.
Dark scenes look amazing thanks to the panel’s contrast ratio of roughly 6300:1, which means it’s capable of producing blacks that are 6300 times darker than the brightest white pixel the screen can produce.
It gets bright enough for SDR content with a peak brightness level of ~350 nits, which is sufficient for making colors pop.
The best viewing experience will be in a dark environment where the panel won’t have to compete with light as the MU7000’s screen can’t get bright enough to perform as well in bright environments.
Pro Works well in a dark room
The 2017's VIZIO M-Series is a fair option for those who like to watch TV in a dark room because of the good blacks it can reproduce and its reasonable native contrast ratio.
Regarding its black uniformity, this TV performs on par with the best TVs in its price range.
The TV's native contrast ratio of 5606:1 is higher than what the majority of equally-priced competitors offer, allowing it to pack bright highlights as well as some inky, dark spots into a single image.
Cons
Con Pretty expensive for a 40" TV
Other similarly priced TVs are 49" and above, while this specific model of the MU7000 (UN40MU7000) is only 40".
Con Glare might be an issue
The MU7000 might not be able to handle environments with lots of light, such as sunlight pouring into a living room with no curtains. Its panel is only average at handling reflections, and the brightness levels peak at ~350 nits which isn't really sufficient for fighting glare.
Con Speakers produce distortion at high volumes
The MU7000's speakers produces distortion that starts getting noticeable at around ≥40% of max volume.
Con Not suitable for group watching
The MU7000 has a narrow viewing angle that makes it unsuitable for group watching.
Audience sitting away from the center of the screen will not experience the same picture as those sitting in the center, because the picture quality starts to deteriorate significantly when viewing from just ≥20° away from the screen's center.
Con Might require some color calibration out of the box
The MU7000's colors might look off to some viewers out of the box due to its high white balance. Switching to the "Movie" option in "Picture Mode" should be enough to remedy this for most, but only calibration can fix this for some viewers.
Con Interface has ads
There are ads that can't be removed on the MU7000's interface.
Con Lacks support for Dolby Vision
The MU7000 currently supports the HDR10 format only.
Con HDR performance is lacking
The main drawback of the MU7000 is its HDR performance.
While it has a wide color gamut that allows it to reproduce the wide range of colors necessary for true HDR playback, it can’t get bright enough to take advantage of it. At only ~300 nits of brightness, it's pretty hard for HDR pictures to pop.
It also doesn’t have local dimming, so its black levels can’t be improved further for better HDR performance.
Con Poor value for money
A lot of competitors of the 2017's VIZIO M-Series do offer better performance without being noticeably pricier than it.
Con Requires a TV box
You can't connect this TV directly to a cable or antenna because it lacks the built-in TV tuner so you'll need to spend extra money on a TV box.