Mystery trees

On my property, there are two relatively new trees that I think are fruit trees.

This tree looks very similar to dwarf peach trees that you can see in the nursery sections of local stores.  I don't think I've seen dwarf nectarines, so it's probably a pretty safe bet.

Dwarf peach tree?

The leaves on this tree looked like the leaves I've seen on nectarine trees.  I'll have to wait and see.  But really, if they were the same leaves, from what I understand it could be nectarine or peach as they are both the same family.

Nectarine or peach?