The G4's noise reduction algorithm, which works progressively better with less available light, does a better job than the iPhone's. Its colors look nice but are not as saturated as the iPhone's. In contrast, the iPhone's sharpening filter appears to only work on the luminance channel, rather than RGB, creating a more subtle light/dark outline.ĭepending on personal taste, the LG G4's image could also be judged superior to the iPhone 6s'. The only issue we see with the S6's image is some color haloing around edges, likely caused by a post-processing sharpening filter. Image noise is minimal, and the camera's larger aperture creates a nice bokeh effect. It's bright, with excellent color and detail. In this situation, the Galaxy S6 once again produces the best image. The iPhone 6s' extra pixels improve detail, but it's a little disappointing that we do not see a bigger jump in quality. Overall, the differences between the iPhone 6 and 6s images are subtle. Colors look good and are nicely saturated, however, they all suffer from aggressive noise reduction that blurs edges and adds an unnatural waviness to the out-of-focus background. Other than the luminance difference, and the fact that the 5s image is a little out of focus, the images from all of the iPhones look very similar. This seems to be a necessary change to compensate for the lower ISO and the new sensor’s smaller pixels. While there's no brightness difference between the iPhone 6 and 6s images, both 6s cameras use a longer exposure again. Once again, on an overcast day, the iPhone 5s sets the shortest exposure and captures the darkest image of the yellow flowers. For the most part, our observations from the first set of images also apply here, with the only notable exception being the slightly cooler white balance of the S6 and G4.įull-Size Images:, ,, ,, ,, ,, ,, ,, When there's an abundance of sunlight, like in the second set of images with the fountain, differences in image quality are far more subtle, with all phones producing nice pictures. The S6 shows the least amount of noise overall. Compared to the iPhone 6, the 6s produces more noticeable noise grain in the water, the darkest part of the scene. The iPhone's noise reduction looks better here, producing a smooth-looking sky with no edge artifacts. There's also some noise reduction artifacts around edges, especially noticeable around the ropes. Since this does not happen consistently, it appears to be a side effect of noise reduction processing. We've noticed this in a couple of other images too, where the right side is blurrier than the left. Speaking of sharpness, the right side of the G4's image is noticeably lacking it. The Galaxy S6 image is noticeably sharper and more detailed than any of the iPhone images. The 6s and 6s Plus appear to have more detail than the earlier iPhones, but this is mostly because they do a better job adjusting focus, and because they seem to be using more aggressive edge sharpening, which produces additional aliasing along some edges.
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