Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · PC Overclocking Software

Saku Overclock vs ZenStates

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Saku Overclock #1 in PC Overclocking Software 9.4/10 Free plan Free plan✓ 3 of 4 features Visit Saku Overclock
ZenStates #8 in PC Overclocking Software 7.8/10 Free plan Free plan✓ 1 of 4 features Visit ZenStates

Saku Overclock leads on 0 checks, ZenStates on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSaku Overclock · 9.4/10
  • Free planboth
  • Most featuresSaku Overclock · 3 of 4

Saku Overclock scores higher on our rubric for pc overclocking software: 9.4 against 7.8 out of 10; our editors rank them #1 and #8.

Saku Overclock is the better fit for free AMD-focused tuning. ZenStates is the better fit for manual AMD per-core overclocking.

  • Saku Overclock fits best

    Free AMD-focused tuning

  • ZenStates fits best

    Manual AMD per-core overclocking

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature Saku Overclock 9.4/10 Visit ↗ ZenStates 7.8/10 Visit ↗
At a glance
Editor score 9.4 7.8
Ranking #1 in PC Overclocking Software #8 in PC Overclocking Software
Best for Free AMD-focused tuning Manual AMD per-core overclocking
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows
Built for Solo, Small business Solo, Small business
Features Saku Overclock 3/4 · ZenStates 1/4
CPU tuning ✓ ✓
Memory tuning Not checked yet Not checked yet
Motherboard controls ✓ (best) Not checked yet
Automatic overclocking ✓ (best) Not checked yet
Specs
Supported platforms Windows Windows
Hardware scope Amd Amd
Our review
Pros
  • Combines CPU tuning, monitoring, fan curves, profiles, and overlays
  • OC Finder provides automated tuning alongside manual controls
  • Open-source software with no premium tiers
  • Per-core and all-core frequency controls
  • VID, boost-limit, and FIT scalar settings
  • Free, open-source Windows application
Cons
  • Support is focused primarily on AMD hardware
  • Runs on Windows only
  • Desktop support is described as less effective than mobile support
  • Windows-only platform support
  • Focused on compatible AMD processors
  • Requires WinRing driver and .NET Framework 4.0
Our verdict

Saku Overclock is a free, open-source Windows utility for tuning and monitoring supported AMD Ryzen systems, with a particular focus on laptops. It brings CPU frequency, voltage, power, thermal, fan, preset, and sensor controls into one…

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 →
  1. Saku OverclockPC Overclocking Software 9.4Free plan
  2. ZenStatesPC Overclocking Software 7.8Free plan

Strengths and trade-offs

  • Saku Overclock — where it wins

    • Combines CPU tuning, monitoring, fan curves, profiles, and overlays
    • OC Finder provides automated tuning alongside manual controls
    • Open-source software with no premium tiers

    Where it doesn't

    • Support is focused primarily on AMD hardware
    • Runs on Windows only
    • Desktop support is described as less effective than mobile support
  • 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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update