Z5 Premium vs Z5 Compact vs Z3 in 4K video recording overheat test (video)

Z5 Premium vs Z5 Compact vs Z3 in 4K video recording overheat test (video)
While some might have been balked at the news that Sony went with Snapdragon 810 for its latest and greatest ever batch of smartphones - the Z5, Z5 Compact, and the amazing Z5 Premium with a 4K display - it seems all is well with the chipset version that Sony is using. Not only did Sony outfit its newest handsets with a crafty heat pipe system for extra cooling, but the tests are showing it works, too.

As you can see in the 4K video recording test with all recent Xperias and their predecessors below, the phones reach very respectable video duration before the usual heat warnings that often happen when you try to record in this ultra high definition pop up. Granted, the Snapdragon 810 chipset might still be getting thermally throttled, and yet Sony knows the issues with Snapdragon 810, so it has probably put the phones through extensive testing, and/or applied thermal management techniques such for better heat dissipation. 

Whatever it is, it seems to be working, and, somewhat unsurprisingly, the largest phone in the stable that has the most space for heat dissipation - Sony's Xperia Z5 Premium - manages to last the longest. It recorded 4K video for close to an hour, filling 20 GB before the warning pop up appeared, so you can rest assure that your 4K-on-4K shenanigans with the Z5 Premium can lost longer than the available free space on the phone.

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Xperia Z5 Premium
  • Display 5.5 inches 3840 x 2160 pixels
  • Camera 23 MP (Single camera) 5 MP front
  • Hardware Qualcomm Snapdragon 810 3GB RAM
  • Storage 32GB, microSDXC
  • Battery 3430 mAh
  • OS Android 7.0 Nougat


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