The Nokia 7.1 may have a dual camera and a tall-aspect screen like the Nokia 7 Plus, but otherwise, the new phone is a thorough update of its predecessor. It adds a faster processor, a bigger HDR-capable PureDisplay, better cameras, better build, modern design while retaining the reasonable price, the wide availability, and the Android One experience.
Source: https://www.gsmarena.com/nokia_5_1_plus-review-1832.php