Love the Itx builds.
I have done several.
On the noise issue, that is under your control via bios fan controls.
Both have 92mm fans which can get noisy when they spin up.
Looking at each, it would appear that the radiator thickness and dimensions are about the same.
I might favor the id unit for having 6 heat pipes and two fans.
What will be the height available to you in the case?
76mm if the GPU is vertical, or 153 mm otherwise?
I have used a scythe big shuriken in a small case that is limited in cooler height.
There are several revisions.
It uses a 120mm fan which can move more air quietly and there is a fair amount of heat sink.
https://www.scytheus.com/bigshuriken3
If you have the 153mm available, I would use a small...