Despite suffering a disappointing defeat in the semi-final four years ago, Clarke believes that England are in a better position to challenge the likes of New Zealand and Australia for the gold medal.
"We want to take down Australia and New Zealand and it's not such a daunting task," the 30-year-old told the Daily Mail. "It's something we're definitely capable of.
"This is our Olympics. It's the pinnacle of our sport and just as important as the World Championships. If you win the Commonwealths you are the best in the world."
England begin their campaign against Wales on Friday.