Compared to...

Studio scene comparison (higher sensitivity)

As we noted earlier in our review the S3 Pro's noise reduction system is effective (it removes noise) but it also has the side-effect of softening the image, hence some detail is lost.

Fujifilm FinePix S3 Pro @ 12 mp, ISO 800
Fujifilm FinePix S3 Pro @ 6 mp, ISO 800
Canon EOS 20D, ISO 800
Nikon D70, ISO 800