The advisability of using 4K displays in the new smartphone Sony Xperia Z5 Premium put users find the XDA forum. It turned out that the majority of the time when using the machine, the user will see the image in Full HD.
Presentation of Sony Xperia Z5 Premium was held in the framework of the exhibition of consumer electronics IFA 2015. The device has become the world’s first smartphone with 4K display. This fact has confirmed the reviewers GSM Arena, looking at its screen under a microscope and comparing with its display panel OnePlus 2.
At the same time, the journalists came to the conclusion that the display of the Sony most of the time running at Full HD and uses the full 4K in select modes only. This was done, as it is assumed, for the purpose of saving battery power. Ultra HD can only be seen when viewing videos and photos appropriate permission, the interface of the software platform and applications is displayed with a resolution of 1920 x 1080 pixels.
The use of this software solution also explains why the gadget is installed with 4K display does not overheat. According to recent reports, the Xperia Z5 Premium used a coupled heat pipes for better heat dissipation, but the function of switching between the two modes of the display also will help the smartphone to avoid overheating.
All is well, if you think about autonomy, and also remember the heat generation Snapdragon 810. However, the question arises, why then all the 4K smartphone display?