Install Android 4.4 on a tablet KitKat Nexus 7 affects the playback of the video.

A few weeks ago, Google released the Nexus 7 Tablet Android 4.4 system KitKat . Impatiently waiting for her owners said devices should, however, be aware that along with the update outside of a range of new solutions as they await some unpleasant surprises?

unpleasant surprises about what we are talking about?

The problems occur when playing back video just confirmed by OptoFidelity who took “on sale” Tablet Nexus 7 of the first and second generation. During the test checked how they fared themselves in playing HD videos (from YouTube and memory devices) in the following modes:

– 720p 30/60 frames per second

– 1080p 30 / 60 frames per second

The first series of tests were conducted when the tablet was working on Android 4.3, while the second, when they worked under the supervision of Android 4.4 KitKat . It turned out that the performance of video playback (take into account three aspects: jerking image deviation from the required speed display frames / sec, the number of lost frames) was significantly higher in the case of the first one. What’s more, the Nexus 7 of this year and KitKat on board did not deal with 720p/1080i modes spinning 60 frames per second.

“After evaluating video playback, it turned out that the older system copes better than later KitKat . upgrade has an impact on the quality perceived by the user especially when playing action movies at 60 frames per second. This is something that you should know before you load a new version of the system. “ – summarizes the results obtained OptoFidelity company.

Experience the full results contained in the report OptoFidelity (PDF file)