As Bob said, with Noid Phals and Noid Dendrobiums you can never be certain even if you find one which looks the same as yours. There are so many hybrids of these that many look like each other and many are unregistered.
The second is definately a Dendrobium in the phalaenopsis type. These can be cared for pretty much like a phal and don't need a winter rest unlike some dens. They need a little more light than phals.