The latest gossip from insiders is that this year's handset will boast 2GB of RAM compared with the 1GB stuck inside the 2014 editions



From Techradar:

That's more memory to deal with multiple apps running at once as well as larger images and video files. Doubling up on memory should mean a much faster and more capable iPhone, particularly when it's paired with the usual CPU upgrade that Apple treats us to. The iPad Air 2 features 2GB of RAM too.

  The iPhone 6S could double up on RAM with 2GB