Indeed, but the clutch/gearbox/DMF will all suffer when the input
torque exceeds a certain limit.
On the TDIs this is generally low down the rev range, where the output power is still relatively low.
So you could have a monster TDI that developed 250bhp at 4500rpm, but as long as the peak torque (usually down around 2-2500 rpm) didn't exceed say 300lbft then the clutch/DMF etc may well survive quite happily.
On the other hand, you could have a TDI that's just mapped to say 170bhp at 4000rpm, but if it had a torque peak of 310-320lbft at lower rpm (quite common with a lot of maps) it would probably suffer from clutch slip / DMF shudder etc.
Hope that explains better