The reasons are interesting as it is not just 3rd party bloatware eg. Facebook or Spotify paying to have theirs stuff added by default, but also the fact that Samsung 'duplicates' many standard Android apps.
To be fair to Samsung, some of their duplicate apps do actually contain some useful functions that Google never included. On the downside the quality of Samsung's code may not be the best or leanest.
But it gets worse... as the pixel 7's leaner size actually includes the A/B partitions, and Samsung apparently does not even do the B partition (which means much longer update reboot cycles).
The net effect though of all this space used, is why the lower end Samsung devices also lack a lot of features (space constraints), and why a 128GB model is not going to give you 128GB of actual storage. Your 128GB model that you buy will probably only have 68GB of actual usable user storage...
See
Bloatware pushes the Galaxy S23 Android OS to an incredible 60GB#
technology #
Samsung #
bloatwareSamsung's Android build is 4x bigger than Google's—twice the size of Windows 11.