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Reviewed on May 29, 2014

Sony R420B

Usage Ratings - Version 0.9

Test Benches:

  • 1.3: Spring 2019
  • 1.2: Winter 2018
  • 1.1: Summer 2017
  • 1.0: Winter 2015
  • 0.9: Winter 2014
  • 0.8: Winter 2013
Mixed Usage
Score components:
  • 74% Picture Quality
  • 19% Motion
  • 7% Inputs
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This tv has been discontinued.

The Sony KDL32R420B LED TV is an inexpensive TV, but its picture quality is also inferior. The contrast ratio is sub-par, it reflects a lot of light, and it has more motion blur than average. At least it has a good viewing angle.

Test Results
Picture Quality 6.5
Motion 7.0
Inputs 8.7
Smart Features 0
  • Great viewing angle with consistent colors.
  • Low input lag, which is great for fast-paced games. However, it has quite a bit of motion blur.
  • Low contrast ratio. In a dark room, the blacks are gray.
  • Significant amount of reflections. It also doesn't get very bright, so it is not suitable for daytime viewing in a room with windows.

Check Price

32" KDL32R420B


Sony R420B Design

The KDL32R420B looks very bland. Its frame and depth are thicker than average, even for this price range.

Sony R420B Stand

This TV has a standard stand that doesn't swivel.

Sony R420B Borders

0.87" (2.2 cm)

Sony R420B Thickness

2.83" (7.2 cm)


Picture Quality

Score components:
4k : No
7.2 Contrast
Sony R420B Contrast
Black : 0.066 cd/m2
White : 100.9 cd/m2
Contrast : 1529 : 1

The contrast ratio of the Sony KDL32R420B isn't very good. In a dark room, you will notice that its blacks are gray. At least the default color calibration is quite good.

8.0 Black Uniformity
Sony R420B Black Uniformity

While its blacks aren't very deep, the uniformity of black scenes is good. The corners are slightly darker, though.

6.0 Gray Uniformity
Sony R420B Gray Uniformity

They uniformity of the gray color is better than average, but it is significantly darker around the edges.

7.1 Viewing Angle
Viewing Angle : 30 °

The viewing angle of this TV is good. The colors stay the same even if you sit off-axis.

7.5 Average Room
Sony R420B Average Room
Reflection : 1.9 %
Surface Type : Semi-gloss

The Sony R420B reflects more than average, but the reflections still are under control (unlike the LG 32LB5800, which has a yellow tint when you have a few lights on).

6.0 Bright Room
Sony R420B Bright Room
Max white : 138 cd/m2

This TV doesn't get bright. In conjunction with the higher than average level of reflections, this TV is less than ideal in a room with a few windows.

0 3D
3D : No


Score components:
7.0 Motion Blur
Sony R420B Motion Blur

The Sony KDL32R420B has a long motion blur trail. Fast moving footage appears a bit blurry on it. Therefore, it isn't the best for sports or video games.

Motion Interpolation
Motion Interpolation : N/A


Score components:
8.7 Input Lag
Sony R420B Input Lag
Input Lag : 34 ms

The input lag of this TV is good; it won't be noticeable even in fast video games.

Side Inputs
Sony R420B Side Inputs


Rear Inputs
Sony R420B Rear Inputs

1 Headphone Output
1 Composite Input
1 Component Input
1 Digital Optical Audio Out
1 RF In


Smart Features

Score components:
  • 100% Smart TV
0 Smart TV



6.7Mixed Usage
Score components:
  • 74% Picture Quality
  • 19% Motion
  • 7% Inputs
Overall, the Sony KDL32R420B LED TV isn't a very good TV. Unless you can find it at a steep discount, it is worth spending a little bit more to get a better TV.



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