Nikon D100 6mp digital SLR Tachihara 4x5 field camera
camera: Nikon D100
lens: Nikkor 12-24mm DX
exposure: f18, 1/15 sec
original pixel size: 3008 x 2000 RAW file
camera: Tachihara 4x5
lens: Rodenstock 90mm
exposure: f32, 3 sec
film: Fuji Velvia 100F
original pixel size after drum scanned by Photocraft at 2000 dpi: 9392 x 7282 = 200mb file

For this resolution comparison, I enlarged the D100 shot to the same width as the 4x5 shot, then cropped the same sized section from both.

For a more in depth analysis of 4x5 resolution with detail shots, see this page.