ZenStates
ZenStates: A free, open-source Windows tool for manual AMD per-core and all-core tuning. Ranked #8 of 31 in PC Overclocking Software by our editors (7.8/10); pricing: Free plan; best for manual AMD per-core overclocking.
At a glance
- Editor score7.8 / 10
- PricingFree plan
- Best forManual AMD per-core overclocking
- Free planYes
- Paid fromNone
- CPU tuningYes
- Facts checked20 Sep 2026
Where it wins
- Per-core and all-core frequency controls
- VID, boost-limit, and FIT scalar settings
- Free, open-source Windows application
Where it doesn't
- Windows-only platform support
- Focused on compatible AMD processors
- Requires WinRing driver and .NET Framework 4.0
Our verdict on ZenStates
ZenStates is a free, open-source Windows desktop utility for technically experienced users tuning supported AMD Ryzen processors. It provides a graphical application and service that interact with AMD’s System Management Unit, with controls for manual overclocking, all-core frequency settings, per-core frequency settings, VID adjustment, boost-frequency limits, and FIT scalar configuration. Its focus is narrower than a general hardware-monitoring suite: the product is built around AMD processor tuning on Windows.
The strongest reason to choose ZenStates is its manual control model. Users can adjust frequencies across all cores or tune individual cores, then configure VID and separate single-thread and all-core boost-frequency limits. FIT limit scalar configuration adds another processor-specific setting to the same workflow. These controls make ZenStates a fit for users who want direct AMD-focused tuning rather than a broad utility with more general system features. The published product details identify the software as free and open source, with no commercial tier structure described.
The trade-off is platform and setup scope. ZenStates is Windows-only and targets compatible AMD desktop or server platforms, so it is not a general-purpose overclocking option for other processor vendors or operating systems. The repository documents prerequisites including the WinRing driver and .NET Framework 4.0, which adds preparation before tuning can begin. Choose ZenStates if manual AMD frequency, VID, boost-limit, and FIT controls are the priority. Users seeking broader hardware coverage or a cross-platform overclocking utility should choose an alternative.
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ZenStates pricing
ZenStates fact sheet
| Free plan | Yes |
|---|---|
| Paid from | None |
| CPU tuning | Yes |
| Memory tuning | Not verified |
| Motherboard controls | Not verified |
| Automatic overclocking | Not verified |
| Supported platforms | Windows |
| Hardware scope | Amd |
| Deployment | Desktop |
| Platforms | Windows |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 20 Sep 2026 |
Alternatives to ZenStates
- Saku OverclockA free, open-source AMD tuning suite with broad controls and a focused hardware scope.9.4
- HYDRAA Windows toolkit for tuning CPU, GPU, and DDR4/DDR5 memory.9.2
- HypertuneA cross-vendor Windows optimizer with CPU, GPU, RAM, and automated tuning tools.8.6
See all ZenStates alternatives →
ZenStates vs the competition
- ZenStates vs Saku Overclock
- ZenStates vs HYDRA
- ZenStates vs Hypertune
- ZenStates vs Universal x86 Tuning Utility
- ZenStates vs OCCT
- ZenStates vs Quick CPU
Compare ZenStates with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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