Testing your processor (CPU) in a Mac generally involves ensuring that it is running correctly and not overheating under load. Apple doesn’t include a built-in CPU stress testing tool, but you can use third-party applications and some built-in macOS utilities to assess CPU performance and monitor system health.
Here are some methods to test your CPU on a Mac:
Using Activity Monitor:
- Open Activity Monitor:
- You can find Activity Monitor in the Applications > Utilities folder, or you can use Spotlight (Command (⌘) + Spacebar) to search for it.
- Monitor CPU Usage:
- Click on the “CPU” tab to see your CPU usage. High usage on idle may indicate background processes that are using up CPU resources, or it could also suggest a problem with the CPU.
Running Stress Tests:
To stress test the CPU, you can use third-party tools:
- Install Intel Power Gadget:
- This tool by Intel provides real-time monitoring of your CPU’s temperature, power consumption, and clock speed. It’s useful for checking if your CPU behaves correctly under load.
- Install Stress Testing Tools:
- Tools like
Cinebenchcan put a heavy load on your CPU.
- You can run
yesin the Terminal with a command like
yes > /dev/null &multiple times to load multiple cores.
- Tools like
Using Terminal Commands:
You can use Terminal to issue commands that will put a load on your CPU:
- Open Terminal:
- Find Terminal in Applications > Utilities.
- Run a Stress Command:
- Use the
yescommand to stress the CPU. To stress all cores, you could open one
yescommand for each core:
yes > /dev/null &
- To stop the process, use
- Use the
- Use iStat Menus or Macs Fan Control:
- These third-party applications allow you to monitor the temperature of your CPU and other components.
- Run Apple Diagnostics or Apple Hardware Test:
- Restart your Mac and hold the D key upon startup. This will start Apple’s built-in diagnostics utility that tests your Mac’s hardware, including the CPU, for issues.
- When running stress tests, monitor your Mac’s temperature closely to avoid overheating. If temperatures get too high, terminate the stress test.
- Running stress tests will affect system performance, so it is best to do them when you don’t need to use your computer for other tasks.
- Ensure your Mac is plugged into power and has proper ventilation during these tests.
- If you encounter any issues, such as unexpected shutdowns or excessive heat, consult Apple support or a certified repair technician. It could be a sign of a more serious hardware problem.
By following these steps, you should be able to get a sense of how well your Mac’s CPU is performing and whether it is operating within normal parameters.