On some OEM pre-built systems (HP, Dell, Acer), the BIOS was locked, preventing users from overclocking. AMDMSR Tweaker bypassed the BIOS UI entirely, allowing overclocking on systems where it was previously impossible, provided the CPU itself supported the MSR changes.

Developed as a console-driven successor to older tools like PhenomMsrTweaker, allows users to reconfigure AMD's native Cool'n'Quiet power management system. Operating system power profiles often lack granular hardware control, whereas this tool edits individual performance tiers (P-States).

In the golden age of hardware tweaking—specifically during the lifespan of Windows 7 and the early days of Windows 10—enthusiasts were constantly searching for ways to squeeze every ounce of performance out of their hardware. While GPU overclocking was mainstream, manipulating the CPU at the firmware level was often restricted to BIOS modifications or complex Linux scripts.