Power is torque x speed divided by 5252, so yes, they are related.
Only time you'll be able to differentiate between them is if you only apply a correction factor to one.
Correction factors are a calculation (If done to ISO standards) which rely on barometric pressure, relative humidity, air inlet temp and ambient air temp.
Your spec points towards the mid 150bhp area, which isn't to be sniffed at by any means