How big is the difference in expansion between soft point and hollow point bullets?

Answer 1

a hollow point will tend to shatter on impact and a softpoint will tend to mushroom outwards yet stay together

HPs tend to be used on smaller, light skinned game while SPs usually on heavier, thick skinned game

Answer 2

It varies by designs. Different makers have bullet designs that Will expand or retain weight better than others.

Answer 3

Hollow point bullets typically expand faster, although not necessarily bigger. Thry can also expand at lower velocities.