Material setups can only be compared in the advanced material room.

But even from your basic screengrabs, you can see for yourself that the material setup is compeltely different between the torso and the head..

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!