LCD and Viewfinder
Fujifilm S1 Pro has a Fixed Type 2" LCD screen with a resolution of 200k dots. At only 2", the screen is on the smaller side and 200kdot resolution is lower than most of the recent models in this class.
S1 Pro has a built-in Optical (pentaprism) viewfinder. The viewfinder has a coverage of 90%. 90% coverage means that what you see in your viewfinder while shooting will slightly be different from the actual image.
Max Shutter speed
Fujifilm S1 Pro can shoot continuously at max speed of 2 fps
and has max shutter speed of 1/2000 sec
S1 Pro has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Fujifilm S1 Pro features a Phase Detection autofocusing system.
Unfortunately Fujifilm S1 Pro doesn't have Video recording ability.
Connectivity and Storage
Fujifilm S1 Pro has a USB 1.0 (1.5 Mbit/sec) port to connect your camera to other devices.
Fujifilm S1 Pro Features Compared to Main Competitors