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Reviewed on Apr 04, 2015

Vizio M Series 2015
TV REVIEW

Usage Ratings - Version 1.0

Test Benches: test

  • 1.2: Winter 2018
  • 1.1: Summer 2017
  • 1.0: Winter 2015
  • 0.9: Winter 2014
  • 0.8: Winter 2013
7.4
Mixed Usage
What it is General purpose. The TV will be used for a variety of content and usages. Movies at night, TV shows during the day, video games from time to time, etc.
Score components:
Recommended if under (USD)
What it is: Maximum price to be a better value than its competitors.
How to use it: This product is the best choice in its range if you can find it below this price.
Automatically calculated every hour based on the scores and prices of all other products we've tested.
: Not at the latest test bench
Value for price beaten by
What it is: Product with the best value in this price range
Other best choice in a cheaper price range
Other best choice in a pricier price range
Automatically updated every hour based on the scores and prices of all other products we've tested.
: Not at the latest test bench
8.1
Movies
What it is Movies in the dark. The TV will be used for watching movies in a controlled environment, directly in front, in a home theater way. Mostly only high quality content, like Blu-rays, UHD Blu-rays, streaming and a little bit of HDR.
Score components:
7.0
TV Shows
What it is TV Shows in a bright living room. The TV will be used in to watch TV shows, in a bright room during the day, from multiple viewing positions at different angles. The content watched has an average quality: cable, streaming, SD channels, etc.
Score components:
7.0
Sports
What it is Sports in a living room. The TV will be used to watch sports during the day, like football or hockey. Usually watched with a group, so from multiple viewing position.
Score components:
8.1
Video Games
What it is Video games. The TV will be used to play video games, directly in front, in a controlled light environment. Usually fast games, like online FPS, where motion blur and input lag is important.
Score components:
7.0
HDR Movies
What it is HDR Movies and TV shows. The TV will be used to watch 4k UHD HDR content, with a wide color gamut and a high peak brightness. Either via UHD Blu-rays or HDR streaming.
Score components:
5.5
HDR Gaming
What it is HDR Gaming. The TV will be used to play HDR video games using consoles that support it or on current generation gaming PCs. Xbox One S, PS4 Pro, GTX 10 series and AMD RX series graphics cards.
5.6
PC Monitor
What it is PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
Score components:
This tv has been discontinued.
It was replaced by the Vizio M Series 2016

Type : LED
Resolution : 4k
Refresh Rate : 120 Hz (except 55" and smaller)

The new Vizio M-Series for 2015 is a good budget 4k TV, and in some cases, even better than the P Series. As long as you don't expect a perfect TV, it is a good purchase.

Test Results
Design 7.0
Picture Quality 7.6
Motion 7.8
Inputs 8.0
Sound Quality 6.4
Smart Features 6.5
Pros
  • Great contrast ratio.
  • Very low input lag.
Cons
  • Poor viewing angle.
  • Long motion blur trail on certain transitions (not all).

Check Price

7.0

Design

Score components: Subjectively assigned
Vizio M Series 2015 Design Picture
Curved : No

The 2015 Vizio M looks higher-end than last year's did. It even feels slightly more premium than the P Series.

This TV has a very wide stand with cast metal feet. It is very sturdy, but you will need a table as wide as the TV itself.

Stand
Vizio M Series 2015 Stand Picture

Dimensions for 60" TV stand: 47" x 10"

Borders
Vizio M Series 2015 Borders Picture
Borders : 0.59" (1.5 cm)

Thickness
Vizio M Series 2015 Thickness Picture
Max Thickness : 2.6" (6.6 cm)

7.6

Picture Quality

Score components:

The Vizio M is a very good TV for watching movies. The blacks are very deep, and very uniform. You don't have to worry about any judder while watching 24 fps movies, so Blu-rays, streaming movies, and other movie sources will all look great.

You don't get 3D or HDR (which brightens the lighting of highlights), but the local dimming, which dims the backlight for dark portions of the picture, works pretty well.

8.5 Contrast
What it is: Brightness difference between white and black. This is the main component of picture quality.
When it matters: Always, but especially when watching dark scenes.
Score components:
Native Contrast
What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
4233 : 1

This TV's contrast ratio is great. The local dimming feature did have an effect on the black level of our checkboard pattern, but it also affected the white boxes, which isn't good.

6.0 Local Dimming
What it is: The lights behind the LCD layer adapt to the picture displayed, improving the contrast ratio.
When it matters: Dark scenes viewed in a dark room.
Score components: Subjectively assigned
Local Dimming
What it is: Whether it has a feature that controls the LEDs behind the LCD layer, to match the picture and darkens the dark portion of it.
When it matters: On LED TVs only. Dark scenes viewed in a dark room.
:
Yes
Backlight
What it is: Configuration of the lights of the backlight.
When it matters: Effectiveness of the local dimming.
Good value: Full-array/direct lighting is better for local dimming. As for the uniformity of the screen, it depends on the implementation. Some edge-lit TVs have more uniform blacks than some full-array TVs.
:
Full-Array

As with the E series, the local dimming dims the highlights. It darkens brighter objects on the screen considerably when they are alone on a dark background. In our test video, you can see that the white dot is darker than it should be. Of course, there is less blooming that way, but it's not good to have the object appear too dark. The P Series handled our test pattern better, and it has more zones, too.

6.2 SDR Peak Brightness
What it is: How bright the screen can get. Measured with local dimming and with SDR content.
When it matters: Bright living rooms; bright objects; SDR content.
SDR Peak 2% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, present on screen for a short time; especially for SDR content.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
310 cd/m2
SDR Peak 50% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright rooms.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
310 cd/m2

6.9 Gray Uniformity
What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
Vizio M Series 2015 50% Uniformity Picture
50% Std. Dev.
What it is: Average squared difference of pixels when displaying a mid 50% gray.
When it matters: Solid colors. Sports, panning shots.
Good value: < 2.5%
Noticeable difference: 1%
:
3.743 %
50% DSE
What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Solid colors. Sports, panning shots.
Good value: < 0.165%
Noticeable difference: 0.025%
:
0.198 %

With solid colors, you can see some dirty screen effect caused by the full array backlight. There's also a pretty significant amount of deviation to the uniformity.

4.2 Viewing Angle
What it is: Color accuracy when viewed from the side.
When it matters: Large living rooms with multiple viewing positions.
Score components:
LCD Type
What it is: Type of LCD technology used by the TV.
When it matters: Different technologies have different viewing angle properties.
Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle.
:
VA (except 49")
Color Shift
What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
20 °
Brightness
What it is: Angle where the brightness drops to 50% of the brightness directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
30 °
Black Level
What it is: Angle where the black level drops to 50% of the black level directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
19 °

This TV loses saturation when you are off-axis.

Update 01/06/2017: We have changed the methodology of testing. Since this is an old TV which we don't have anymore, we extrapolated the results from 2016 TVs.

9.6 Black Uniformity
What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
Vizio M Series 2015 Native Black Uniformity Picture
Native Std. Dev.
What it is: Average of the squared difference of the blacks.
When it matters: Dark scenes viewed in a dark room.
Good value: < 2%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
0.633 %

The black uniformity was great, even when local dimming was turned off.

9.5 Gradient
What it is: How finely levels of color can be displayed.
When it matters: Details in shadows, sky and skin tones. Matters more for HDR content.
Score components: Subjectively assigned
Color Depth
What it is: Number of bits per pixel to represent a specific color. Note: we consider 8-bit with dithering to be equivalent to 10-bit, as long as the 10-bit gradient looks smooth.
When it matters: HDR content like UHD Blu-ray players. Won't matter for cable TV, regular Blu-ray movies, video game consoles or content displayed from a Windows PC. Those are limited to 8-bit color.
Good value: 10-bit.
Noticeable difference: 1 bit.
:
10 Bit

8.5 Pre Calibration
What it is: TV's color accuracy before a full calibration. Only the picture mode and backlight level were changed.
When it matters: All video on an uncalibrated TV. This represents most people's use cases.
Score components:
Vizio M Series 2015 Pre Calibration Picture Vizio M Series 2015 Pre Gamma Curve Picture Vizio M Series 2015 Pre Color Picture
White Balance dE
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all video.
Good value: < 3
Noticeable difference: 1
:
1.94
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
3.4118
Gamma
What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.25

The white balance calibration is really good by default under the 'Calibrated' picture mode. However, the colors are a bit off.

9.8 Post Calibration
What it is: TV's color accuracy after a full calibration with a spectrophotometer.
When it matters: All video on a TV that has been professionally calibrated. This isn't that useful, because most TVs can achieve a pretty good calibration if you spend enough time on them.
Score components:
Vizio M Series 2015 Post Calibration Picture Vizio M Series 2015 Post Gamma Curve Picture Vizio M Series 2015 Post Color Picture
White Balance dE
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all videos.
Good value: < 3
Noticeable difference: 1
:
0.17
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
0.6420
Gamma
What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.2

The red and blue colors couldn't be completely fixed, but the rest is great.

7.0 480p Input
What it is: Quality of a 480p input.
When it matters: Standard definition TV, DVDs.
Score components: Subjectively assigned
Vizio M Series 2015 480p Picture

We had to increase sharpness to 25 for our 480p test, as otherwise it was really blurry. See here for more details. The P Series didn't have that issue. The noise reduction features work, but they are not very effective. Also, setting 'Reduce Block Noise' to 'High' resulted in a drastic loss of sharpness, so we used Medium instead.

7.0 720p Input
What it is: Quality of a 720p input.
When it matters: HD channels, some streaming videos.
Score components: Subjectively assigned
Vizio M Series 2015 720p Picture

Sharpness also had to be increase to 25 for 720p content to make it looks less blurry.

9.0 1080p Input
What it is: Quality of a 1080p input.
When it matters: Blu-rays, streaming video, video files, video games.
Score components: Subjectively assigned
Vizio M Series 2015 1080p Picture

Upscaled 1080p content looks a lot better than on the P Series, under the exact same settings.

10 4k Input
What it is: Quality of a 4k UHD input.
When it matters: Streaming video, UHD Blu-rays, some PCs.
Score components: Subjectively assigned
Vizio M Series 2015 4k Picture

4k content looks great on the M series 2015.

6.1 Color Gamut
What it is: How many colors the TV can display.
When it matters: HDR content. Includes some streaming videos and UHD Blu-rays.
Score components:
Wide Color Gamut
What it is: Whether the TV has an option to enable wide color gamuts.
When it matters: HDR content. Includes some streaming videos and UHD Blu-rays.
:
No
Vizio M Series 2015 Color Gamut DCI-P3 Picture
DCI P3 xy
What it is: Coverage of the DCI P3 colorspace on CIE 1931 xy.
When it matters: DCI P3 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
69.20 %
DCI P3 uv
What it is: Coverage of the DCI P3 colorspace on CIE 1976 u' v'.
When it matters: DCI P3 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
73.09 %
Rec 2020 xy
What it is: Coverage of the Rec.2020 colorspace on CIE 1931 xy.
When it matters: Rec.2020 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
49.65 %
Rec 2020 uv
What it is: Coverage of the Rec.2020 colorspace on CIE 1976 u' v'.
When it matters: Rec.2020 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
53.26 %

8.0 Reflections
What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components: Subjectively assigned
Vizio M Series 2015 Reflections Picture Vizio M Series 2015 Bright Room Picture
Reflection
What it is: Ratio of ambient light reflected by the TV.
When it matters: Ambient light in the room.
Good value: < 1%
Noticeable difference: 0.5%
:
1.8 %
Screen Finish
What it is: Type of coating on the screen.
When it matters: Bright objects in the direct reflection path (for example, opposite the TV).
Good value: Glossy is good for ambient light, but not for direct reflections.
:
Semi-gloss

It reflects an average amount of light.
It can get bright enough that it should be able to handle almost any room.

0 3D
What it is: Optional 3D video capability on TV.
When it matters: 3D movies and videos.
Score components: Subjectively assigned
3D
What it is: If it can display a picture in 3D.
When it matters: 3D movies & videos.
:
No
3D Type
What it is: The 3D technology used by the TV.
When it matters: 3D movies & videos.
Good value: Active have better resolution, but flickers. Passive is more comfortable, but loses half the vertical resolution.
:
No

Pixels
7.8

Motion

The screen has some darker patches, which could be a bit annoying when you're watching sports.

This TV also has more blur than is ideal, but that shouldn't be a problem for sports.

7.3 Motion Blur
What it is: Amount of blur on fast movement.
When it matters: Sports, video games.
Score components:
Vizio M Series 2015 Motion Blur Picture Vizio M Series 2015 Response Time Chart
Response Time
What it is: How quickly pixels can change color.
When it matters: Fast movement.
Good value: < 20ms
Noticeable difference: 10ms
:
15.1 ms
Overshoot
What it is: When TV’s pixels adjust too far; how quickly they come back.
When it matters: Fast movement.
Good value: < 10ms
Noticeable difference: 10ms
:
16.4 ms

Unfortunately, like the P Series, this TV has a very long trail following moving objects. In our picture, you can see that the brighter trail even continues outside the picture. This shouldn't be an issue with normal content, but it could be a problem for video games.

6.8 Image Flicker
What it is: Luminosity pattern when displaying images
When it matters: Sports, video games, when TV is used as a PC monitor
Score components:
Vizio M Series 2015 Backlight Picture
PWM Dimming Frequency
What it is: Flickering pattern at different luminosities.
When it matters: For people sensitive to flickering.
Good value: N/A or high frequencies (> 300 Hz)
:
120 Hz
BFI Frequency
What it is: Lowest possible frequency of flickering pattern
When it matters: Reduces eye tracking blur in sports or video games
Good value: 60 Hz
:
60 Hz
BFI In Game Mode
What it is: Option to insert black frames when in the best settings for gaming
When it matters: Reducing eye tracking blur for video games
Good value: Yes
:
Yes

10 24p Playback
What it is: Whether 24p content can play without any judder.
When it matters: Only 24p content (mostly just movies).
Judder-free 24p
What it is: Judder-free movies over 24p signal.
When it matters: Blu-ray and DVD movies; 24 hz PC signal.
:
Yes
Judder-free 24p via 60p
What it is: Judder-free movies over 60p signal.
When it matters: Movies from streaming devices (Apple TV, Fire TV, etc.); 60 hz PC signal.
:
Yes
Judder-free 24p via 60i
What it is: Judder-free movies over 60i signal.
When it matters: Movies from cable/satellite boxes.
:
Yes

10 Motion Interpolation
What it is: Also known as 'Soap Opera Effect'. It is an optional feature that increases the frame rate of the video, smoothing movement.
When it matters: If you like the look of smoothed video. Not everyone does.
Motion Interpolation (30 fps)
What it is: Whether the TV can take a 30 fps input and heighten the frame rate to at least 60 fps.
When it matters: 30 fps or lower videos. Includes movies, TV shows, some video games.
:
Yes
Vizio M Series 2015 Motion Interpolation (30 fps) Picture
Motion Interpolation (60 fps)
What it is: Whether the TV can take a 60 fps input and heighten the frame rate to at least 100 fps.
When it matters: 60 fps videos. Includes some video games, some sports channels.
:
Yes
Vizio M Series 2015 Motion Interpolation (60 fps) Picture

8.0

Inputs

Score components:

The sub-par motion handling is more obvious when gaming, so the Vizio M isn't the best choice for gamers looking for great picture from their TV.

The delay is very, very low, though. If you're less concerned with the look of the game and just want a TV that responds quickly when you input a command, this is a great option.

8.7 Input Lag
What it is: Delay between input and onscreen reaction.
When it matters: Video games; when TV is used as PC monitor.
1080p @ 60Hz
What it is: Lowest input lag possible on TV with a 1080p @ 60Hz input.
When it matters: Video games and also when TV is used as PC monitor.
Good value: < 40ms
Noticeable difference: 15ms
:
18.5 ms
1080p With Interpolation
What it is: Lowest input lag when the motion interpolation feature is turned on.
When it matters: When you want to play video games with the Soap Opera Effect enabled.
Good value: < 40ms
Noticeable difference: 15ms
:
43.9 ms
1080p @ 60Hz Outside Game Mode
What it is: Input lag in picture modes other than the specific game mode.
When it matters: For playing video games while retaining access to all features of the TV.
Good value: < 40ms
Noticeable difference: 15ms
:
103.6 ms
4k @ 60Hz @ 4:4:4
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz @ 4:4:4.
When it matters: PC Monitor
Good value: < 40ms
Noticeable difference: 15 ms
:
N/A
4k @ 60Hz + HDR
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz with HDR.
When it matters: HDR Video games.
Good value: < 40ms
Noticeable difference: 15 ms
:
N/A
4k @ 60Hz @ 4:4:4 + 8 bit HDR
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz @ 4:4:4 with HDR enabled at 8 bit
When it matters: PC Monitor with an HDR capable graphic card
Good value: < 40ms
Noticeable difference: 15 ms
:
N/A

The input lag is really low when using the HDMI 5 input and turning on 'Game Low Latency'.

4.0 Supported Resolutions
What it is: Different resolutions supported by TV.
When it matters: PC monitor usage.
Score components:
  • 20% 1080p @ 60Hz @ 4:4:4
  • 20% 1080p @ 120Hz
  • 20% 4k @ 30Hz @ 4:4:4
  • 20% 4k @ 60Hz
  • 20% 4k @ 60Hz @ 4:4:4
1080p @ 60Hz @ 4:4:4
What it is: Crisp text on 1060p @ 60 hz signal.
When it matters: PC productivity and 60 fps gaming.
:
No
1080p @ 120Hz
What it is: 120 fps 1080p signal supported.
When it matters: PC gaming.
:
Yes
4k @ 30Hz @ 4:4:4
What it is: Crisp text on 4k @ 30 hz signal.
When it matters: PC productivity and gaming.
:
No
4k @ 60Hz
What it is: 60 fps 4k signal supported.
When it matters: PC productivity and gaming.
:
Yes
4k @ 60Hz @ 4:4:4
What it is: Crisp text on 4k @ 60 hz signal.
When it matters: Productivity and 60 fps gaming in 4k.
:
No

It doesn't support chroma 4:4:4 unfortunately at any resolution/refresh rate. This doesn't matter for movies or even video games, you will only see a difference for a PC monitor. 4:2:2 works though.
1080p @ 120fps works (although only for the 60" model and up), which is great for gaming on a PC.

Side Inputs
Vizio M Series 2015 Side Inputs Picture

HDMI port 5 behaves differently from the others. See our Additional Review Notes

Rear Inputs
Total Inputs
HDMI : 5
USB : 1
Digital Optical Audio Out : 1
Analog Audio Out 3.5mm : 0
Analog Audio Out RCA : 1
Component In : 1 (shared)
Composite In : 1 (shared)
Tuner (Cable/Ant) : 1
Ethernet : 1
DisplayPort : 0
IR In : 0
SD/SDHC : 0

Inputs Specifications
HDR10
What it is: Standard HDR format.
When it matters: Most common format. All UHD Blu-ray discs are required to have it.
:
No
Dolby Vision
What it is: Better format, due to its dynamic nature.
When it matters: Currently, only available via streaming.
:
No
5.1 Passthrough ARC Dolby Digital
What it is: TV can receive and pass Dolby Digital 5.1 signal to receiver via HDMI ARC.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
5.1 Passthrough ARC DTS
What it is: TV can receive and pass DTS 5.1 signal to receiver via HDMI ARC.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
5.1 Passthrough Optical Dolby Digital
What it is: TV can receive and pass Dolby Digital signal to receiver via digital optical.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
5.1 Passthrough Optical DTS
What it is: TV can receive and pass DTS signal to receiver via digital optical.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
HDMI 2.0 Full Bandwith : No
ARC : Yes (HDMI 1)
USB 3 : Yes (1)
HDCP 2.2 : Yes (HDMI 1,2,5)
CEC : Yes
MHL : No
Variable Analog Audio Out : Yes

6.4

Sound Quality

Score components:

The sound is fairly accurate, with little distortion at normal listening volumes. Louder volumes do get quite distorted, though, and the accuracy suffers.

This TV's bass isn't great.

Note: Sound Quality test for TVs reviewed before 2017 was performed at 75dB, 85dB, and Max SPL. Starting 2017, the target SPL levels have been changed to 70dB, 80dB, and Max dB SPL.

6.6 Frequency Response
What it is: Sound level at different frequencies.
When it matters: For balanced sound.
Score components:
Vizio M Series 2015 Frequency Response Picture
Std. Dev. @ 70
What it is: Variance of the sound level at different frequencies.
When it matters: 70 dB.
Good value: < 4 dB
Noticeable difference: 2 dB
:
4.53 dB SPL
Std. Dev. @ 80
What it is: Variance of the sound level at different frequencies.
When it matters: 80 dB.
Good value: < 4 dB
Noticeable difference: 2 dB
:
4.64 dB SPL
Std. Dev. @ Max
What it is: Variance of the sound level at different frequencies.
When it matters: Max volume.
Good value: < 4 dB
Noticeable difference: 2 dB
:
6.02 dB SPL
Max
What it is: Max volume on the TV at a distance of 1 meter.
When it matters: For listening to loud audio.
Good value: > 90 dB
Noticeable difference: 2 dB
:
92.1 dB SPL
Low-end Cutoff
What it is: How low of a frequency at which the bass starts.
When it matters: Movies; gaming.
Good value: < 50Hz
Noticeable difference: 10Hz
:
126 Hz

Relatively good frequency response and loudness. However, at higher volumes, the frequency response gets worse and pumping artifacts may be present. The bass extension is not the best.

6.0 Total Harmonic Distortion
What it is: Pureness of a single frequency.
Score components:
Vizio M Series 2015 Total Harmonic Distortion Picture
Distortion @ 70
What it is: Amount of distortion.
When it matters: 70 dB.
Good value: < 0.100
Noticeable difference: 0.100
:
0.021
Distortion @ 80
What it is: Amount of distortion.
When it matters: 80 dB.
Good value: < 0.100
Noticeable difference: 0.100
:
0.029
Distortion @ Max
What it is: Amount of distortion.
When it matters: 85 dB.
Good value: < 0.100
Noticeable difference: 0.100
:
0.170

Low distortion at lower volumes, but the distortion becomes significant when the TV is pushed hard.

6.5

Smart Features

Score components: Subjectively assigned
Vizio M Series 2015 Smart TV Picture
Smart OS : Basic

Vizio's app selection is limited, as is its codec support. There is no web browser.

The back of the remote is a QWERTY keyboard, which is handy for inputting text. A smart remote like you get with higher-end LG and Samsung TVs would be better, though.

10 Ads
What it is: Whether or not ads can be found on the TV's smart platform.
When it matters: When using the smart features.
Score components:
Ad-free
What it is: The TV's ability to provide an ad-free experience.
When it matters: When using the smart features.
:
Yes
Opt-out
What it is: Whether you can opt out of the ad services or not. A TV only passes this test if it allows you to remove them completely, not only disable the personalized advertising.
When it matters: When using the smart features.
:
N/A

Remote
Vizio M Series 2015 Remote Picture
Remote : QWERTY

Misc
Power Consumption : 113 W
Power Consumption (Max) : 250 W
Firmware : 1.0.6

Conclusion
SEE PRICE
Amazon.com

For the price, the new M Series for 2015 is a really good 4k TV. It upscales 1080p better than the P Series, however, its local dimming is not as good. The two main downsides to this TV are the long motion blur trail and the loss of saturation at an angle.

Usage Ratings - Version 1.0

Test Benches: test

  • 1.2: Winter 2018
  • 1.1: Summer 2017
  • 1.0: Winter 2015
  • 0.9: Winter 2014
  • 0.8: Winter 2013
7.4
Mixed Usage
What it is General purpose. The TV will be used for a variety of content and usages. Movies at night, TV shows during the day, video games from time to time, etc.
Score components:
8.1
Movies
What it is Movies in the dark. The TV will be used for watching movies in a controlled environment, directly in front, in a home theater way. Mostly only high quality content, like Blu-rays, UHD Blu-rays, streaming and a little bit of HDR.
Score components:
7.0
TV Shows
What it is TV Shows in a bright living room. The TV will be used in to watch TV shows, in a bright room during the day, from multiple viewing positions at different angles. The content watched has an average quality: cable, streaming, SD channels, etc.
Score components:
7.0
Sports
What it is Sports in a living room. The TV will be used to watch sports during the day, like football or hockey. Usually watched with a group, so from multiple viewing position.
Score components:
8.1
Video Games
What it is Video games. The TV will be used to play video games, directly in front, in a controlled light environment. Usually fast games, like online FPS, where motion blur and input lag is important.
Score components:
7.0
HDR Movies
What it is HDR Movies and TV shows. The TV will be used to watch 4k UHD HDR content, with a wide color gamut and a high peak brightness. Either via UHD Blu-rays or HDR streaming.
Score components:
5.5
HDR Gaming
What it is HDR Gaming. The TV will be used to play HDR video games using consoles that support it or on current generation gaming PCs. Xbox One S, PS4 Pro, GTX 10 series and AMD RX series graphics cards.
5.6
PC Monitor
What it is PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
Score components:

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