VIZIO E552VLE Smart LCD HDTV
An inexpensive, mid-range LED TV that’s odd in every way.
We were surprised by the relatively low maximum contrast ratio this TV tested with. Its calibrated peak brightness was 139.28 cd/m2, and it tested with a black level of 0.16 cd/m2. This gives it a contrast ratio of 870:1, which is lower than our "average" of 1000:1, but isn't terrible.
You really shouldn't buy this TV if you're looking for a huge contrast ratio. It just isn't dark enough, its backlight bleeds through its screen, giving it a contrast ratio that's lower than average. More on how we test contrast.
Color & Greyscale Curves
The VIZIO E552VLE tested with some of the best color curves we've seen all year. The chart below represents the spectrum of white, red, blue, and green colors that the TV can display; the gradual and uniform slope of the lines means that a great majority of dark, mid, and light toned colors will be accurately represented.
The lines were slightly slow to ramp up, meaning a tiny amount of shadow detail will be lost, but otherwise these curves are outstanding. More on how we test color performance.
We test color temperature to discern how well a TV maintains a 6500° K light temperature throughout its colors, across the full spectrum of light input. Essentially, TVs tend to vary to "warmer" or "cooler" by varying degrees, away from 6500°. As you can see from the chart below, the VIZIO E552VLE did very well during our test, only deviating beyond the imperceptible range at the very deepest shadow tones.
This is a very good result, as about 95% of the error here is minor and imperceptible. More on how we test color temperature.
The VIZIO E552VLE tested with a decent color gamut. If you'll kindly look to the chart below, you'll see a solid black line and a solid white line. The black line represents the rec. 709 standard color gamut, which is the industry's perfect gamut, representing red, blue, green, and white color accuracy for HDTVs. The white line is the color gamut we recorded for the E552VLE.
As you can see, its red and blue corners were very accurate, with green and white missing the rec. 709 gamut by a hair. While it's not perfect, this is still a very good result, and won't show up when you're watching TV or playing video games. More on how we test color temperature.
The VIZIO E552VLE tested with stellar picture dynamics. We test a TV's picture dynamics to see how well it maintains its peak brightness and black level per how much white/black is on the screen; for plasmas, we want to see smaller patches get brighter (when white) and darker (when black). For an LCD like this TV, we want to see white and black levels staying the same, and that is exactly what we saw. Regardless of the amount of white/black on screen, the VIZIO E552VLE's white/black levels only varied by imperceptible degrees of light. A very good result. More on how we test picture dynamics.
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