What separates the StudioLive RML32AI with the new StudioLive 32R ? (except the number of inputs of course..)

I'm wondering why I should buy a StudioLive RML16AI (or 32) instead of the new StudioLive 16, 24, or 32R

What separates the 2 models ? The new 16R is cheaper than the RML16

Thanks

Mathieu LUCAS