What about an A cat?
Probably a more fair comparison.
I hear rumors that this thing will beat an A around a windward leeward.
That's damn fast if it's true.
As Gree says, In a short burst a Moth might be quicker, but for any length of time the Tornado will win.
The "crash" factor in a moth means that one small mistake and you loose 100 yards.
maybe once the top moth guys can stay foiling the whole way around the course and at max speed they might have a chance, but that is still a long way away.
We've a couple of fair Moth sailors where I sail and I'll always beat them. No dublt they will get better (but then so will I hopefully).
The Foiling moth has potential, but to beat the Tornado round the cans will be a big job. The A class would also beat them at the moment around the cans.