When Samsung came out with its ultra-thin phone earlier this year, reviewers said you can't really tell from pictures but it really does feel different in-hand, and is substantially lighter. This one is slightly thinner than Samsung's

Not enough for me to upgrade, but I would consider this one if I were buying this year

The rumors are also strong for a folding iPhone next year, in which case this may just be them using the same thinness work they already had to do for that. A foldable would prompt me to upgrade