At it's basic level it's very similar, light attacks, heavy attacks, tap the dodge button to sidestep, double tap/mash for an evasive roll. Hold gaurd to bring out a shield, tap at the right moments to parry (the window is very generous as well).
You do start to unlock different attacks and abilities but they have simple controls such as simply holding an attack button for a different action, or just pressing/holding two different buttons at once (shoulder buttons or triggers on controller) to cast a spell, throw your axe etc.
It's very responsive, has a good weighty feel and so far has been pretty steady for unlocks. I've not felt overwhelmed with controls/combat options at any point and it's been pretty easy to figure out the best way around each type of enemy after a few encounters.