The one of the two with a lower profit margin for the manufacturer would usually be the one considered to have more "value" in it.
The usual way to measure this, when software editions are locked to particular hardware, is by looking at the cheapest hardware they sell that'll have the given edition of the software installed.
(Another example of this: managed vs unmanaged routers.)
> Why stop at 2 hardware editions?
You're limited by the willingness of your developer ecosystem to develop different versions of the same third-party software for all your different OSes. Nobody wants a device with no third-party app support.
(But that being said, there is actually a third, even-less-capable hardware ecosystem Apple sells, with its own ecosystem of mostly fungible apps: Apple TV!)