Which is better Duramax or Cummins?

Which is better Duramax or Cummins?

The current Cummins engine is a 6.7-liter inline-six, while the Duramax is a 6.6-liter V8. The Duramax leads with horsepower, but the Cummins is the king of torque with numbers up to 1,000 ft-lbs depending on the truck.J