Sony X850D HDR 4K Android TV Review

For the ultimate in picture quality, this TV pairs the brilliance of 4K clarity with the brightness, color, and detail of High Dynamic Range (HDR).


The advanced image processing engine performs thousands of adjustments every second to dynamically enhance resolution, color and brightness, taking every scene to the vividness of 4K and beyond.

What is Android Tv?

Android TV is a smart TV platform developed by Google. Based on the Android 5.0 (“Lollipop”) operating system or later, it creates an interactive television experience through a 10-foot user interface. It was initially announced on June 25, 2014, at Google I/O 2014 as a successor to Google’s earlier attempt at a smart TV platform, which was Google TV.

What does HDR mean?

‘HDR’ stands for High Dynamic Range, and it is the next big thing in the video world, primarily when it comes to the latest TVs. The term originates in photography, and refers to a technique that heightens a picture’s dynamic range – the contrast between the brightest whites and the darkest blacks.

Contrast is one of the most important factors in determining the quality of a TV and HDR TV gives you the best contrast range for a picture.

Why 4K Resolution?

4K, also known as Ultra HD, refers to a resolution of 3,840 x 2,160 pixels. That’s four times the 1,920 x 1,080 pixels found in your full HD TV.

  • 4K/Ultra HD(UHD) is a resolution of 3840 pixels × 2160 lines (8.3 megapixels, aspect ratio 16:9)
  • 8K UHD which is 7680 pixels × 4320 lines (33.2 megapixels).
  • Used correctly, 4K describes the 4,096 x 2160 resolution.