When comparing the Sun to a supernova using the Sun as a baseline unit of stellar output, what factor is emphasized for the supernova comparison?

Answer

The instantaneous brightness.

When comparing the Sun's consistent output to the massive, brief flash of a supernova, the key factor highlighting the difference is the instantaneous peak brightness achieved during the explosion.

When comparing the Sun to a supernova using the Sun as a baseline unit of stellar output, what factor is emphasized for the supernova comparison?
sunastronomystarssupernovabrightness