There’s two models - the Duet 3 which comes with a Snapdragon 7c Gen 2 @ 2.55 GHz CPU, and the 3i which comes with a Intel Celeron N4020. I would rather use the Duet 3, due to the cover, and since I am already familiar with the feel of the device due to having owned a Surface Pro 4, but I’d like to choose whichever works best for running Linux.
Edit: Just for additional information I’ll be using it as a note-taking tablet with xournal++, not for any heavy tasks
Hmm, so I’ve had a look and it seems like Xournal++ only supports x86_64. Which means that if you get the Snapdragon version, you’ll need run it using an x86 emulator like FEXEmu or Box64, and this will affect the performance and may also introduce compatibility issues. So you’ll need to do your own research and find out if someone’s managed to run it on ARM / Snapdragon 7c, and if there’s any issues etc.
You could get the Celeron version instead, but personally I can’t recommend a Celeron to anyone in good faith, so you’ll have to make your own decision sorry.
Xournal++ supports other architectures. They might not have compiled binaries for other architectures ready to be downloaded on their GitHub release, but it’s packaged on at least postmarketOS (i.e. Alpine Linux) edge (I have it on my “Chromebook”) and Debian Stable.
