To answer the question, all the evidence I have seen suggests that in terms of realistically achievable resolution (i.e. at ISO ranges that people actually shoot), digital wins in resolution, but the reality is that triumph does not matter a bit.
The factors that I think matter are:
The 'look'. They do look different. Most people have a preference.
Workflow. They are a very different experience.
Process Cost. Cost of the whole process is much lower for digital most of the time, but can be cheaper for film if you are an expert printer. The cost of having digital files worked on by a master printer can be astonishingly high. If you do a low print run, digital is not necessarily cheaper.
Capital Outlay. The price of digital cameras is much higher.
I shoot both and frankly resolution is the last thing I think about. Quite often the look of film, specifically the lower resolution examples, are the very reason I shoot the stuff!