Capello said: “I have seen a team with quality and spirit and that is the most important thing. Everyone in the team helped each other.
“Today, you have watched a very good Real Madrid, with speed and technique. I really enjoyed the performance because it is not easy to come here and win 4-1.
“The game against Steaua was important for us and we have to focus on playing Barcelona.”
Real Madrid will face FC Barcelona in La Liga on Sunday.