Burrell started all five of England's games - the opener against France his international debut - and ended the competition with three tries to his name.
Tuilagi returned from injury in time to play the last half hour of England's final game against Italy in Rome, reminding everyone of his talents as he crossed the whitewash.
But despite announcing himself back in style Tuilagi knows he will have to prove himself to get back into Stuart Lancaster's starting XV.
"Whatever has happened in the past doesn't matter. You never take anything for granted. Stuart Lancaster picks his side on form which is great for England," Tuilagi told The Express.
"I feel good, I'm back in the swing of things and I'm just looking forward to the games which are coming up and getting used to playing week in week out again. I'm buzzing.
"But Luther had an outstanding Championship. It was hard watching for me but I couldn't have been happier, especially after the Wales game after what happened last year. He's a good lad and a quality player."