Which of these smartphones Galaxy S5, HTC One 2014 M8, Nexus 5 gets the hottest (we are checking there surface temperature) when they are stressed and I run 3 different test and show you which device gets the hottest.
Heat test on iPhone 5S / Moto X / Nexus 5 https://www.youtube.com/watch?v=TCwOfaSTFnI
Heat test on Galaxy S4 / Note 3 Neo / Nexus 5 https://www.youtube.com/watch?v=c767iAci1s8
