: This tool was developed around 2012–2014 and may not function correctly on modern Ryzen processors. For Ryzen, AMD Ryzen Master is the official alternative.

(v1.1) is a specialized command-line utility for advanced users to manually adjust AMD CPU P-states (Performance States), essentially allowing for undervolting or overclocking by directly modifying the processor's Model-Specific Registers (MSR). It is particularly favored for older "Piledriver" or "Bulldozer" architecture chips (like the FX series) where BIOS options might be limited. Key Functions & Capabilities

AMDMSR Tweaker v11 represents an era of "Wild West" computing where manufacturers gave users more control over the silicon, and the community eagerly filled the gaps.

Being a 64-bit application, it is designed to run on modern Windows operating systems, ensuring compatibility with the latest hardware and software environments.

: Allows you to adjust the multiplier and voltage ( VIDcap V cap I cap D ) for various power states (P0, P1, P2, etc.).