Head-to-head · PC Overclocking Software
ZenMaster vs ZenStates
ZenMaster leads on 0 checks, ZenStates on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreZenMaster · 8.1/10
- Free planonly ZenStates
ZenMaster scores higher on our rubric for pc overclocking software: 8.1 against 7.8 out of 10; our editors rank them #7 and #8.
ZenMaster is the better fit for advanced AMD CPU control. ZenStates is the better fit for manual AMD per-core overclocking.
- ZenMaster fits best
Advanced AMD CPU control
- ZenStates fits best
Manual AMD per-core overclocking
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Side by side
| Feature | ZenMaster 8.1/10 Visit ↗ | ZenStates 7.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.1 | 7.8 |
| Ranking | #7 in PC Overclocking Software | #8 in PC Overclocking Software |
| Best for | Advanced AMD CPU control | Manual AMD per-core overclocking |
| Pricing model | Free | Free |
| Starting price | Open source | Free plan |
| Free plan | Not checked yet | ✓ (best) |
| Free trial | — | — |
| Deployment | Desktop | Desktop |
| Platforms | Windows, macOS, Linux | Windows |
| Built for | Solo, Small business | Solo, Small business |
| Features ZenMaster 1/4 · ZenStates 1/4 | ||
| CPU tuning | ✓ | ✓ |
| Memory tuning | Not checked yet | Not checked yet |
| Motherboard controls | Not checked yet | Not checked yet |
| Automatic overclocking | Not checked yet | Not checked yet |
| Specs | ||
| Supported platforms | Not checked yet | Windows |
| Hardware scope | Amd | Amd |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | ZenMaster is an open-source Python command-line utility for technically proficient desktop users and developers who want operating-system-level control of supported AMD Zen processors. It adjusts CPU power limits, thermal thresholds, VRM… Read the review → |
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… Read the review → |
Strengths and trade-offs
ZenMaster — where it wins
- Fine-grained power, voltage, clock, and thermal controls
- Curve Optimizer targeting by core, CCD, and CCX
- Live telemetry, persistence loops, scripting, and Python access
Where it doesn't
- Focused on AMD processors rather than broad hardware support
- Command-line workflow suits technically proficient users
- Low-level access methods vary by operating system
ZenStates — 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
- ZenMaster8.1/10 · Open source
A deep command-line toolkit for advanced AMD CPU power and Curve Optimizer control.
Visit ZenMasterFull verdict → - ZenStates7.8/10 · Free plan
A free, open-source Windows tool for manual AMD per-core and all-core tuning.
Visit ZenStatesFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update