It's a side-by-side comparison (for 2 dslr) from Image Resource.
Note that only newer models are available (no K10 or K100) & need to take into account of the lens used.
http://www.imaging-resource.com/IMCOMP/COMPS01.HTM
Note that only newer models are available (no K10 or K100) & need to take into account of the lens used.
http://www.imaging-resource.com/IMCOMP/COMPS01.HTM