The 4720s has a clean and stylish appearance with a brushed metal exterior finish. The brushed metal is found on the screen cover as well as the palmrest inside the notebook. The dark copper or bronze finish complements almost any business attire. Inside the notebook the interior trim is split between the brushed metal finish and a glossy black trim...
The HP ProBook 4520s has a clean and semi-rugged outside appearance; a step up from the previous generation model. The screen cover instead of being plastic on the 4510s is now brushed metal which feels stronger and looks much nicer.