It isnt possible yet, digital cannot match M/F film, its not even like its easy to compare, but raw nuts a bolts dictate, that hassys sensor is still short on physical size whatever the pixel count.
He's using 6x7 film, its still double the size of the sensor, and since film captures a greater gamut, I dont see how a 39mp image rivals 6x7 film.
How you measure that is another question, digital judges film by its own standards, the limiting factor being digitals ability to record the contents of a film slide.....I dont think its as simple as that.
I think calling it Large Format digital is also stretching discriptions a bit..
Comparing prints created by their own mediums is probably less scientific but its to films advantage, not relying on questionable digital reproduction.
There are a lot of photos I like on this page, but several I dont...