The YouTuber JerryRigEverything (or Zach Nelson) has conducted his traditional post-durability test teardown of the Motorola Razr 2020. This video revealed how its maker intends to keep the internals free of dust, as well as other possible destructive forces. This means it has some unusual attributes that the equally foldable Galaxy Z Flip lacks.
https://www.notebookcheck.net/A-new-teardown-video-highlights-various-differences-between-the-Motorola-Razr-and-the-Samsung-Galaxy-Z-Flip.454787.0.html