Sharpness & Grain
In general, film has more grain than digital. And film grain has a specific look. Granted, I was shooting ISO 400 film vs. ISO 100 digital, but even digital images at ISO 400 are going to have much less grain than film. Again, grain is going to vary not only with the film but also with the camera, the lens, scan, and the post processing. But here are my comparisons from the basic edits I had: