What is the PTO horsepower difference between the John Deere 7R 330 and 8R 340 Tractor?

The John Deere 7R 330 has a PTO horsepower of 260 hp and the John Deere 8R 340 Tractor has a PTO horsepower of 284 hp, a difference of 24 hp. The John Deere 8R 340 Tractor has the higher PTO horsepower.