Andersen 400 Series Vs Marvin Integrity . Joined nov 23, 2005 · 1 posts. Andersen 400 and integrity windows are about the same cost wise, but the integrity windows have much nicer details and greater performance. Andersen 400 Series Vs Marvin Integrity Holiday Hours from holidayhours.info The integrity series comes with a choice of 6 exterior color options and 4 interior finish options. The andersen 400 series window is made of many different materials: Andersen 400 series windows are the company’s most popular series of windows.