You are more likely to notice details about people. Awareness will give more detailed information about them when you perform an Examine.”— Fallout description
With Awareness, you are given detailed information about any critter you examine. You see their exact hit points and information about any weapon they are equipped with.”— Fallout 2 and Fallout Tactics description
You can see the HP, equipped weapon, ammunition type and ammunition count of any characters, creatures and robots when you perform an examine.