Initial research indicates that a mouse is superior to a trackpad, both with certain studies (https://ux.stackexchange.com/questions/16460/is-there-any-research-available-about-the-speed-of-working-with-a-mouse-vs-work) as well as Logitech's (potentially biased) ergonomics research (https://www.logitech.com/content/dam/logitech/en/business/pdf/mice-vs-trackpads-ebook.pdf)