The original question asked on this thread was
"I know that professionals will always have DSLR and will rely on good lenses but can iPhone soon replace DSLR for people like me who are not professional photographers? What do you think?"
So the answer then is absolutely not. iPhones are fine for quick post to web snapshots, but for people who want a quality image that is suitable for print, iPhone is not a replacement and will not replace "real" cameras for the foreseeable future.
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I am not sure what you're showing. I thought you were going to post the 100% crops from the images you posted earlier. But even with these images, these are clearly not 100% crops. For one thing, your D7100 has a lot more pixels on the sensor so a 100% crop would show a lot more magnification from similar uncropped pictures.
These pictures look hardly cropped at all and are not helpful at all in comparing the optical quality of the 2 cameras. Can you show the uncropped versions of these pictures for reference? Or the 100% cropped versions of your earlier posts?
This is something I shot on my iPhone 4s and a 100% crop taken from the same image:
Image
Note that there is almost no detail in the crop it's just a heavily artifacted blur. Even shot in bright daylight, there is a huge amount of noise visible. More noise than actual detail.
Just like in my earlier posts, 1 pixel in the cropped section of the image is 1 pixel from the original image. That's what 100% crop means. The SLR images hold up very well at 100%. The iPhone does not.