In our tests, the white iPhone 4 turned in better results for image sharpness and color vibrancy in low-light video, while the black iPhone 4 did a better job in terms of flash exposure and color accuracy. However, we can't rule out the possibility that the discrepancies we saw were simply due to the fact that no two devices are built exactly the same, regardless of what color case they come in.

Other than the differences in sharpness and low-light video quality, the image-color discrepancies are all fixable by using one of several image-retouching apps available for iOS devices, and both phones are standouts in the smartphone class when it comes to capturing images and video. The wide array of photo-editing, photo-sharing, and photo-effects apps that are available for the iPhone may make the subtle differences we saw in each iPhone camera a moot point.