The primary difference is the Mini 2 Continuum supports the Windows 10 Continuum functionality. Windows 10 devices capable of using Continuum allow the user more flexibility in how and where they interact with Windows 10.
Both the ScreenBeam Mini 2 and the Continuum are capable with Intel WiDi and/or Miracast through supported PCs, laptops, tablets, and smartphone devices running Windows 8.1/10 and Android 4.2 or higher.
*Device must natively support Miracast or Intel WiDi.
*Windows 10 device must support Continuum functionality natively.
For more information on Windows Continuum click here.