pff.. samus aran.. her acrobatics were granted to her by a race who had mastered and was beyond war, and sought to bring peace to the universe. She was also given her chozo suit which enhances her physical abilities even further, allowing her to adapt to extreme temperatures, changes in gravity, and even a change in her physiology when she morphs into a ball. Her suit is one of a kind while chiefs suit is manufactured. She can decode writings and speech from other languages instantly. Her beam cannon can take on new properties and change at her will, into a missile projector or grappling beam. The possibilities are nearly endless in terms of battle applications
Chief is just a dummy gene therapy soldier with extra power. The only thing his suit gives is defense and power.. no agility