TPlane versus TImage3D in Delphi FMX?

TPlane versus TImage3D in Delphi FMX?

I have an DelphiXE4 application made with FMX. I want to have flat
textured objects (no thickness) where I can zoom and move the whole scene
on the screen.
(hint : Think about pictures on a wall)
I started with a TForm3D to implement TImage3D components with bitmap
assigned. It works well!
BUT I've tested with the TPlane component, I can do the same thing and
achieve the same result.
The question is : What is the difference between these 2 components
TImage3D & TPlane ?
This will help me to choose the right one for my - current and further -
needs.
FMX documents and wiki doesn't really help here !