File:Side-by-side comparison of soldier armour concept art for Dune (2021) by Keith Christensen.jpg

Summary
Concept art of House Atreides, House Harkonnen and the imperial sardaukar armour for Dune (2021), by Keith Christensen. Comparison image of the three houses' armour designs.

Source: Keith Christensen's ArtStation.com profile - "My Sardaukar designs for Dune"