51% of consumers who bought the Google Pixel 3 in Q4 2018 were previously Samsung smartphone owners, while only 18% previously owned an iPhone (Jeff Fieldhack/Counterpoint Research)

Jeff Fieldhack / Counterpoint Research:
51% of consumers who bought the Google Pixel 3 in Q4 2018 were previously Samsung smartphone owners, while only 18% previously owned an iPhone  —  Both the devices have failed to swing iOS users over to Android.  Over 80% of Pixel 3's volumes are coming from previous Android smartphone owners.