Comparing the obxidian nozzle preset with the regular nozzle presets

so i got an obxidian nozzle and im comparing the 2 presets and certain things that i find a bit odd

why is it for instance that in certain places like initial layer infill speed, initial layer speed, and in the quality tab, the values are lower for the hf nozzle than the regular nozzle?

shouldnt the hf nozzle be at least capable to have the same values or better than the regular nozzle??

I’d like to understand

Thanks

It is Bambu, not always do their decisions and settings make sense.
Probably they went a bit on the clam side with some values in order to prevent the disappointment.
I had the E3D long before Bambu decided to provide profiles for them and tuned all from scratch.
I can say that while it has no issues outperforming the Bambu nozzles there might be SOME logic behind the confusion.
The first layer is very important as what is wrong here transfers up to the next layers.
Some filaments love to curl up or struggle to stick to the bed if gone too fast.
Maybe the Bambu values aim for the worst possible case for once instead of assuming the best case.

Did you eventually figure out why these don’t match your expectations?

I also have this nozzle, but I use Orca Slicer, and there aren’t any premade profiles for it.

These don’t work in Orca?

I tried both the regular nozzle and obxidian nozzles, and there was no problem using them with the same profile.

I set only the flow rate(based on pla, 210 degrees) to 35mm/s^3, but it outputs very well.