There's info on the latest Studio driver download
page that explains the difference:
NVIDIA Studio Drivers provide artists, creators and 3D developers the best performance and reliability when working with creative applications. To achieve the highest level of reliability, Studio Drivers undergo extensive testing against multi-app creator workflows and multiple revisions of the top creative applications from Adobe to Autodesk and beyond.
There's no mention of PD in the apps, but Studio drivers have been suggested by PDM
here. Only newer nVidia cards are supported, though.
YouTube/optodata
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