For the first time Touch ID is available on a Mac. This enables instant access to logins and fast, secure online purchases with Apple Pay. The MacBook Pro has a better feel. The keyboard is more comfortable and responsive. The Force Touch Trackpad has been enlarged so your fingers have a little more room to work with.
Those needing extensive business applications will find four USB-C/Thunderbolt 3 ports included on both sized devices. You will need a new Thunderbolt 3 adapter if you wish to use a hard drive. Once connected, you can integrate data transfer, charging, and video output in a single connector, delivering up to 40 Gbps of throughput for twice the bandwidth of Thunderbolt 2.