Is there any high-ended smartphone that doesn't heat up !

Yes i know it is a normal thing but when the temperature gets over 50°(C) as it's the case on the Galaxy s4 , you just can't handle the phone any more . Because of that i was thinking of buying an HTC One but i head that it's aluminium body spread the heat and make the hole phone HOT . So i'm asking if there is any smartphone that doesn't heat up , or is there any solution for the already suggested phones.

( Sorry for my bad english , it's not my native )

Thank you.