Both password managers come with the same basic features, such as 256-bit encryption, syncing across multiple devices, secure password sharing, and two-factor authorization.
However, some differences exist, such as Dashlane comes with a VPN and can automatically change the password. The advantages that you get with 1Password are vault sharing, travel mode, and unlimited users with a Family Plan.
Take advantage of the 1Password free trial for 30 days of access to all the premium tools.