Which makes Datapump faster..?

Hi,
I'm new to the DBA field and would like to know the difference between traditional export/import and datapump
especially would like to know which makes datapump faster than noramal export/import.
I could see in the document most of the articles are saying
Datapump : is a server side porcess and we can attach and detach at any time and its copy the block level....
But still wanted to know what actually makes datapump faster than traditional export and import...
Thanks in advance

I am not sure that where did I read it but what I read was this that the data pump uses XML to make the dump file which makes it faster compared to the traditional exp/imp which is DDL based-i.e. it would be having the ddl commands to create the objects in an import. In addition to this, the Data Pump can use the parallelism option to make the job faster whereas the traditional exp/imp is a serial process. I think , even if the first point you discard in the lack of a concrete proof , the second point is enough to believe that it would make the data pump job faster than traditional exp/imp.
HTH
Aman....

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