"Every new player comes in and tries to carve out a niche for themselves. I think it is a danger to try to be the 'next' person. You should never put any limitations on how good somebody can be and I wouldn't try to do that," said O'Driscoll.
"Garry is his own player. He does things that I didn't do as well as him and maybe there are some things he'll learn that I learned over the course of my career.
"It's unfair to compare any two players. People say they see similarities, that's not really for me to say.
"I'm really excited by him, I think he has all the attributes to be a top-class player. He sees the game a little bit earlier than most people.
"He sees the game unfolding. That's important for young players looking to survive in a pretty attritional game."
Ireland's next game sees them host France on February 24. Both sides are approaching the game after wins, Ireland won in Rome while France squeezed passed Scotland in Paris.
Peter Malone has been Nigel Carolan's assistant since 2015
24 March 2017, 11:56am
The IRFU have announced Peter Malone as the Ireland Under-20s interim head coach for the World Rugby Under-20 Championship in Georgia this summer after Nigel Carolan announced he would take a position at Guinness PRO12 side Connacht.