Most likely @Yochanan would be more than willing to confirm that as the better choice, and why. 
CloneZilla is included with RescueZilla; think of RescueZilla as a toolbox, and CloneZilla as one of the tools. How’s that for a simple analogy?!
I created a quick single purpose CloneZilla guide recently that you might find interesting; [HowTo] Clone Manjaro directly to a larger disk using CloneZilla.