Best OCCT Alternatives in 2026
Updated
20 apps from PC overclocking software ranked against OCCT on the same published basis.
- 1OCCT vs HCI MemTest
- 2OCCT vs MemTest86
- 3OCCT vs MemTest86+
- 5OCCT vs RyzenAdj
- 6OCCT vs ASUS GPU Tweak III
- 7OCCT vs Intel VTune Profiler
- 8OCCT vs Quick CPU
- 9OCCT vs Saku Overclock
- 10OCCT vs Universal x86 Tuning Utility
- 11OCCT vs CoreCtrl
- 12OCCT vs CoreFreq
- 13OCCT vs G-Helper
- 14OCCT vs TuxClocker
- 15OCCT vs Argus Monitor
- 16OCCT vs ASUS Armoury Crate
- 17OCCT vs overclockSPD
- 18OCCT vs Notebook FanControl
- 19OCCT vs y-cruncher
- 20OCCT vs Prime95
- 21OCCT vs ZenMaster
OCCT alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | HCI MemTest | 6.5 | Free plan | Free | Linux, Windows |
| 2 | MemTest86 | 6.5 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 3 | MemTest86+ | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 5 | RyzenAdj | 6.5 | Free plan | Free | Linux, Windows |
| 6 | ASUS GPU Tweak III | 6.4 | Free plan | Free | Windows |
| 7 | Intel VTune Profiler | 6.4 | Free plan | Free | Linux, self-hosted, Windows |
| 8 | Quick CPU | 6.4 | Free plan | $2.25/mo | Windows |
| 9 | Saku Overclock | 6.4 | Free plan | Free | Windows |
| 10 | Universal x86 Tuning Utility | 6.4 | Free plan | Free | Windows |
| 11 | CoreCtrl | 6.3 | Free plan | Free | Linux |
| 12 | CoreFreq | 6.3 | Free plan | Free | Linux, self-hosted |
| 13 | G-Helper | 6.3 | Free plan | Free | Windows |
| 14 | TuxClocker | 6.3 | Free plan | Free | Linux |
| 15 | Argus Monitor | 5.5 | No | $1/mo | Windows |
| 16 | ASUS Armoury Crate | 5.4 | No | — | Windows |
| 17 | overclockSPD | 5.4 | No | — | Linux |
| 18 | Notebook FanControl | 5.3 | No | — | Windows, Linux |
| 19 | y-cruncher | 5.3 | No | — | Windows, Linux |
| 20 | Prime95 | 5.2 | No | — | Windows, Mac, Linux |
| 21 | ZenMaster | 5.2 | No | — | Linux, Mac, Windows |
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Questions about OCCT alternatives
What is the best alternative to OCCT?
HCI MemTest, number 1 in PC overclocking software with a score of 6.5 out of 10. The others here: MemTest86, MemTest86+, RyzenAdj and 16 more.
What is the best free alternative to OCCT?
HCI MemTest is the best-ranked alternative with a free plan. 13 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.