Most of these systems vary the speed of the CPU depending on what it actually needs i.e it saves power and reduces heat when running at full speed is not required and would make no processing difference.
I would leave it well alone.
Best phone camera 2017
Stunning new film posters by Hattie Stewart, Joe Cruz & more
iPad Pro 10.5in (2017) review
28 astuces pour profiter au mieux de votre iPhone