ZenStates
The facts below are what the maker publishes about ZenStates, checked and dated. Our editors have not written about it yet.
The facts
Each one read from ZenStates's own pages, with the date it was checked.
What it does
- Boost controls
- Documented commands set the single-thread maximum boost frequency and the maximum boost frequency for multicore applications, with the latter still subject to PBO limits.checked 8 Oct 2026
- Command limitation
- The README says the DisableSmuFeatures command is rejected with response 0xFD and seems to be blocked by AMD.checked 8 Oct 2026
- Command research
- The README says its SMU command research is based on SMU version 64.40.00 and that no public document describes the available commands.checked 8 Oct 2026
- FIT scalar
- A documented command sets the FIT limit scalar from 1 to 10.checked 8 Oct 2026
- Installation
- The application is distributed as a ZIP containing the GUI and service executables, and the README describes extracting it and running ZenStates.exe.checked 8 Oct 2026
- Interface
- The application includes a graphical interface executable, ZenStates.exe, and a service executable, ZenStatesSrv.exe.checked 8 Oct 2026
- License
- The repository identifies its license as GPL-3.0.checked 8 Oct 2026
- Overclocking
- Its documented commands include enabling or disabling overclocking and setting overclock frequencies and VID.checked 8 Oct 2026
- Project website
- The linked project website currently displays a reserved-domain notice rather than product, pricing, or company details.checked 8 Oct 2026
- Purpose
- ZenStates is a Windows application for controlling AMD Ryzen CPU settings through SMU commands.checked 8 Oct 2026
- Requirements
- The README lists the WinRing driver and .NET Framework 4.0 as prerequisites.checked 8 Oct 2026
- Security
- The README requires installing a WinRing driver but does not state a security certification or compliance standard.checked 8 Oct 2026
- Supported systems
- The README lists Windows XP, Vista, 7, 8, and 10 as supported operating systems.checked 8 Oct 2026
- Technical scope
- The listed reverse-engineered SMU command research is based on SMU version 64.40.00.checked 8 Oct 2026
- Temperature
- The command list includes setting TjMax temperature, with the README saying the unit is probably degrees Celsius.checked 8 Oct 2026
- Temperature setting
- A documented SMU command sets the TjMax temperature, described as probably being in degrees Celsius.checked 8 Oct 2026
The company
- Maker site
- The repository links to zenstates.protonrom.com, which currently displays a domain-reserved page rather than product information.checked 8 Oct 2026
Where it runs
- Supported Windows versions
- The README lists Windows XP, Vista, 7, 8, and 10 as supported operating systems.checked 8 Oct 2026
Alternatives to ZenStates
- 1
MemTest86
Free planLinuxmacOSSelf-hostedWindows7.5From $76 a year - 2
HCI MemTest
Free planLinuxWindows7.3$5 one-time - 3
CoreCtrl
Free planOpen sourceLinux7.1Free plan - 4
AIDA64
AndroidiOSWindows7.0€59.95 one-time - 5

ASUS GPU Tweak III
Free planWindows6.7Free plan - 6

OCCT
Free planLinuxWindows6.6Free plan
