Looks like with low lighting the skyrocket can't compete at all. What other comparison would you like to see, IP5?
Also note the depth of field in the Samsung to capture the details of the fence in the background while focusing on the foreground. I thought the iP4S was suppose to have the better optics? Also keep in mind that if you feel depth of field is a subjective attribute, one can always digitally adjust the pic with more details to blur the background. The same can't be done to enhance the shot with less content, 4S.