For low-poly models, the dynamic flag has a miniscule effect. For high-poly models (like 2000 polygons or more), however, it has a strong effect reducing the frame rate by 25% as all of my tests have shown.
"You level up the fastest and easiest if you do things at your own level and no higher or lower" - useful tip
My 2D game - release on Jun 13th; My tutorials
