Has anyone figured out the difference between syncing Facebook for HTC Sense in the account syncing section vs. plain Facebook? I am trying to figure out if the one I'm using (Facebok for HTC Sense) is using up too much memory.

My phone memory is around 33% whereas my husband's memory is 64%! He has very few contacts and I'm wondering if the syncing with Facebook is taking up all my phone memory (vs SD Card memory which is fine).

 

Anyone have any idea about the difference between these two Facebook syncs?