Benitez's Inter appeared to get their campaign back on track with Sunday's 5-2 victory over Parma.
"He's not a sergeant of iron as it was like with Mou (Jose Mourinho)? Rafa is certainly not a lightweight," declared Moratti.
"Maybe 10 years ago I would have sacked him in such a situation, but experience helps.
"But is there a breaking point? Yes, but he is here not because I am patient, but because I admire very much Benitez."