Sony Xperia Z5 4K heat test - IFA 2015

We record 4K video to test the heat build-up on the Sony Xperia Z5 at IFA 2015. Sony’s new flagship has to shake the stigma garnered by the Z3 and its overheating issues, especially considering it uses the same Qualcomm Snapdragon 810 processor as its predecessor. Does it? Watch our full hands-on demonstration to see how long the Z5 can record 4K video at IFA 2015.