REQUEST FOR SUGGESTIONS - 4K Video Editing Laptop - Configuring Dell Precision 7520 (or XPS 15)

1) What are the primary tasks will you be performing with this notebook?

I'm a video enthusiast. I plan to work on 4k footage.

I have seen people explaining that the camera/codecs and the applications to be used have to be decided before finalizing the required configuration. But I have not decided on those yet. (Still weighing the options.) So the best description I can give is '4K video editing'

I am looking to setup a configuration that would
(a) help me do the 4K video post...

REQUEST FOR SUGGESTIONS - 4K Video Editing Laptop - Configuring Dell Precision 7520 (or XPS 15)

REQUEST FOR SUGGESTIONS - 4K Video Editing Laptop - Configuring Dell Precision 7520 (or XPS 15)