EasySocial Groups vs EasyDiscuss Discussions

I have been using EasySocial for years and have never use the groups functionality because we have also been using EasyDiscuss and have had discussions there that seem to work well. But, I am assuming that in a group many different discussions could be created. I am wondering if a comparison between discussions and groups exists anywhere.

I am thinking to convince some people to move from the discussion forum to create groups instead.

Can you let me know the advantages?

Thanks, Sean