Sigma 17-50 2.8 or 17-70 2.8-4?

Sigma 17-50 2.8 or 17-70 2.8-4? Looking to get one of these two lenses for my Canon 90D as a general purpose lens. My main question I have are: Which lens has the quieter motors (AF and OS)? Which would be more highly recommended? Thanks!
submitted by /u/CelebrationBig7487

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