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ThinkPad NotebooksThinkPad T400 / T500 and newer T series Laptops Knowledge Base

Is CPU temperature 40-43 Celsius normal for idle state?

Question

When T430s is idle, the CPU temperature is around 40-43C. 

 

When I do a stress test with Prime95, the CPU temperature is around 80-90C. Do you think this is normal?

Answer

The CPU temperature may varies in different systems.

 

CPU temperature of 40-50C is normal for idle.

 

Under full load, the CPU temperature may varies from the CPU, systems and configurations.

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