Detail comparison between PMT Drum scanner and CCD flatbed scanner. For detail of reproduction see this note.

In order to do not cause brand relaed comparison scanner brand names are omitted. Short story - medium range drum vs medium range flatbed.

Original negative Sinar P2 8x10, Schneider 360mm lens, 8x10 Ilford Hp5 ISO 400 film, developed rotary in 3005 Jobo drum HC110.
 

Drum scan:

1:1 3000DPI scan area outlined in red (approximately gigapixel resolution):

Flatbed scan


1:1 3000DPI scan area outlined in red

 

There's interesting debate on the internet (here and here) about using DSLR instead of the scanner. Here's 100% crop from digital image of same negative.

Camera Canon 10D, Sensor 22.7x15.1mm sensor 3072x2048 pixels, Lens Canon Macro 100mm focused for 1:1 reproduction, 1/200s F20.

Light setup: Negative on Acrylic product table Speedotron 4803CX powerpack (-3 setting) one head under product table with 22" reflector & light sock diffuser

More notes on detail:
Film negative vs Digital Print vs Wet Contact print vs Digital InkJet print
Drum scan vs Flatbed from 8x10 negative
Comparison between polaroid type 55 negatives developed using polaroid holder (peel apart) and tray developed in HC110 developer
Jobo drum development for XTOL and diluted HC-100 developers