Both times it is the 30mm version. There is no technical difference. The difference is that the cheaper version is an import model and the more expensive version is the Swiss model. This means that the German version comes with a corresponding power adapter and the warranty can only be handled directly via Galaxus, so you can't go directly to Bosch.

The manual for the saw lists two versions that differ in the bore diameter of the matching saw blade. One is 24.5mm and the other 30mm. Which model is this?