It is definitely the same speech from different angles. When the two videos are synced up, the hand gestures and verbal stumbles are identical.
The people behind him are in very different areas of the risers. On the first video you can see the far right side of the backdrop while on the second, the far left side is visible.
However, the video shows that Obama makes the same sort of verbal stumble right before giving Hillary the finger that he does before making the lipstick on a pig remark.