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cpulimit vs NotCPUCores

Professional comparison and analysis to help you choose the right software solution for your needs.

cpulimit icon
cpulimit
NotCPUCores icon
NotCPUCores

cpulimit vs NotCPUCores: The Verdict

⚡ Summary:

cpulimit: cpulimit is an open-source tool for limiting the CPU usage of a process. It can set soft and hard limits on CPU usage for a PID and ensure a process does not overuse system resources.

NotCPUCores: NotCPUCores is a free, open-source alternative to CPUCores. It is a lightweight utility that allows you to easily limit the number of CPU cores/threads an application can use, which can help improve performance in some games or applications.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature cpulimit NotCPUCores
Sugggest Score — —
Category System & Hardware System & Hardware
Pricing Open Source Open Source

Product Overview

cpulimit
cpulimit

Description: cpulimit is an open-source tool for limiting the CPU usage of a process. It can set soft and hard limits on CPU usage for a PID and ensure a process does not overuse system resources.

Type: software

Pricing: Open Source

NotCPUCores
NotCPUCores

Description: NotCPUCores is a free, open-source alternative to CPUCores. It is a lightweight utility that allows you to easily limit the number of CPU cores/threads an application can use, which can help improve performance in some games or applications.

Type: software

Pricing: Open Source

Key Features Comparison

cpulimit
cpulimit Features
  • Set CPU usage limit for a process
  • Set soft and hard limits
  • Monitor CPU usage in real-time
  • Cross-platform (Linux, macOS, Windows)
  • Lightweight and easy to use
  • Open source
NotCPUCores
NotCPUCores Features
  • Limit number of CPU cores/threads used by an application
  • Improve performance in some games/apps by restricting cores
  • Lightweight and easy to use interface
  • Open-source and free

Pros & Cons Analysis

cpulimit
cpulimit

Pros

  • Prevents processes from overusing CPU resources
  • Improves system stability and performance
  • Allows fair sharing of CPU between processes
  • Free and open source software

Cons

  • Requires some command line usage
  • Limited to setting CPU limits only
  • May require tweaking limits for optimal performance
NotCPUCores
NotCPUCores

Pros

  • Free and open-source
  • Simple and lightweight
  • Can improve performance in some games/apps
  • Easy to limit cores for specific apps

Cons

  • Lacks some advanced features of paid alternatives
  • Can cause stability issues in some games/apps
  • Requires trial and error to find optimal core limit
  • Only available on Windows

Pricing Comparison

cpulimit
cpulimit
  • Open Source
NotCPUCores
NotCPUCores
  • Open Source

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Learn More About Each Product

cpulimit
cpulimit
Reviews, pricing & alternatives →
NotCPUCores
NotCPUCores
Reviews, pricing & alternatives →

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