"They must first win the championship and they reach the last 16 of the Champions League to achieve the same level of the big clubs."
Benzema also played down any personal unrest over Gonzalo Higuain being favoured by Real Madrid coach Jose Mourinho up front this season.
"It is true that I have less playing time than last year," he said. "But I am someone who battles, and that's from the beginning of my career. I will continue like this with the aim of playing more and scoring more.
"There was no discussion with Mourinho. I respect his choice. When he calls me, I try to be decisive.
"I can finish my career at Real – if it's possible, we'll see. For now, I feel very comfortable here."