me dont see any diff really hehe
whats hard about it ?
new layer, ctrl + a, edit - stroke
3 pixel, center, choose the colour u want
then click ok
leave everything as it is
then go to edit - stroke again
1px black border, leave everything the same
press ok
then right click on your layer, blending options, click stroke at the bottem, size = 1 and colour black
simple stuff man