Touch me harder! This is what the new iPhones are about – the touching. At least in respect of the handling with 3D Touch. The new Apple smartphones are obviously faster as well. And heavier, and thicker. In return you get a smaller battery. The cameras are supposed to be much better, too. A first quick check.
http://www.notebookcheck.net/Apple-iPhone-6S-and-iPhone-6S-Plus-First-Impressions.150860.0.html