Good job on the comparisons Torsten, What size blade did you use?
I used a FD-SR#5. That is a high-speed blade which is great to cut thicker/harder wood than you'd normally would use. Cuts fine in 3/4" beech, where I would normally use a #7.
The wood here shown is 3/4" alder, which is softer and can also be cut with a #3.
Clear tape is good. Clear Tape on the bottom side of the wood makes it slide much easier - good for fine cuts with lots of corners!
However I have found that painters tape works better for me. It doesn't stick so hard and therefor won't harm the wood when I peel it off.