force:recordData VS lightning:recordForm

force:recordData

• Used to Create,Edit,Delete,View a Record
• To Perform Save,Delete Operation on record,controller methods Save Record or delete record
• It uses Attribute of object type in which set when record is loaded
• Need to use lightning:input to display data
• Need to specify save button to perform save operation

<force:recordData recordId="{!v.recordId}"
                targetFields="{!v.simpleRecord}"
                layoutType="FULL"/>

lightning:recordForm

• Used to Create, View, Edit And Update
• No Need to write any method in controller form will submit Automatically on clicking save button
• It doesnt need any attribute to store the record
• No Need to use tags to display , it Automatically generates the input fields
• No Need of any button it Automatically generates the button

<lightning:recordForm recordId="{!v.Id}"
                        objectApiName="Account"
                        layoutType="Full"/>