If loaded to the same pressures, the greater capacity case will show higher speeds.

In the States, the Swede is listed at 51,000PSI - 55,000PSI by Europe's CIP pezio.

In the States, the Creedmoor is listed at 52,000psi, but 63,000psi in Europe.

handy chart:

http://kwk.us/pressures.html

The text is also well worth absorbing.