The "split" had as much to do with politics as it did with theology. And, in an odd twist, the excommunication of the Patriarch of Constantinople by the Papal legate was not even legitimate, because the Pope who commissioned him had died in the meantime. History has many strange quirks.
I am very familiar with the differences between Catholicism and Orthodoxy, having spent considerable time on an Orthodox discussion list heavily populated with ROCOR Orthodox.
Like I said, it was ONE summary and a partial one at that. I didn’t compile it but gave the link to the source. Sorry it didn’t meet your high expectations for “quality”, but you did ask for what the differences were.