What differences are you looking for? The MacBook keyboard is what it is. There are no options.
The Magic keyboard has a few options:
Available in aluminum (silver) with white keys
External Bluetooth but can be used in wired mode
Version without Touch ID
Version with Touch ID
Version with Touch ID and Numeric Keypad
arrow keys are inverted T arrangement on numeric pad version (not on other version)
numeric keypad version also available in aluminum (silver) with black keys