Specifications can be found at http://www.fujifilm.com/products/digital_cameras/s/finepix_s5pro/features/page_05.html

The dynamic range is better than the D3S and the D3X from 100-800 ISO, which is my normal shooting range
http://www.pbase.com/sjackson/image/129705813

(The above image is presented here for editorial purposes only.)