Video: 1/2 OD line vs 3/4 OD line

so i finally go a chance to do this. In person i fell like there is a difference but i cant really tell in the vid.

i supplied a few links cause some work for others and some dont. its all the same vid

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http://s1261.photobucket.com/albums/ii594/InFamas/?action=view&current=1080p.mp4