My understanding is that it is different in at least these ways: 1. Was focused on a specific threat 2. Didn't apply retroactively, to all green card holders 3.

My understanding is that it is different in at least these ways: 1. Was focused on a specific threat 2. Didn't apply retroactively, to all green card holders 3. Didn't fully stop the programs, just slowed them down as processes changed I'm not super familiar with Obama's original order but any one of these three differences I think is enough to say that his order was substantially different.