How Long Can a Home CPU Run Before Overheating?

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Discussion Overview

The discussion revolves around the duration a typical home CPU can operate before overheating and potentially sustaining damage. Participants explore various CPU models and their thermal limits under different conditions, including the presence or absence of cooling mechanisms.

Discussion Character

  • Technical explanation, Debate/contested

Main Points Raised

  • One participant suggests that under normal operating conditions, a CPU is more likely to become obsolete than to overheat and fail.
  • Another participant raises a question about the specific conditions, asking if the inquiry pertains to operation without a heatsink and fan.
  • A participant recounts a personal experience with an Athlon CPU, indicating it could last less than a minute without cooling, citing a specific incident where the CPU survived a brief overheating scenario.
  • Another participant estimates that an Athlon processor lasts approximately 12-17 seconds without a heatsink, while a Pentium might last around 30-50 seconds under similar conditions.
  • Concerns are raised about the risks of overheating when overclocking a CPU, even with a factory fan.

Areas of Agreement / Disagreement

Participants express varying estimates regarding the overheating duration of different CPU models, indicating a lack of consensus on specific timeframes and conditions.

Contextual Notes

Participants' claims depend on specific conditions such as the presence of cooling systems and the operational state of the CPUs, which are not fully defined or agreed upon.

sid_galt
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How much time can a normal home CPU run before it heats up badly and gets damaged?
 
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In normal operating conditions your more likely to outgrow the cpu than have it go bad on you. I would say you should be more worried about your hard drive going bad because of all the moving parts.
 
sid_galt said:
How much time can a normal home CPU run before it heats up badly and gets damaged?

Do you mean ... without a heatsink and fan?

Pentium, I don't know, but I wouldn't suggest trying it.
Athlon, I'd say it's life would be less than a minute, maybe much less. I once had a tab break off a cpu socket so the heatsink & fan just popped off. I just heard a loud snap & while I was sitting there wondering what caused the noise -- maybe 20 or 30 seconds -- luckily the system shut itself down before the cpu (an Athlon Thunderbird) fried. The thermal compound had already liquified, run off the top of the core & baked onto the surface around it. I was amazed when I found that the thing still worked.
 
An athlon processor will last aprox. 12-17 seconds without a heatsink. Pentium will last a little longer. I would say aprox. 30-50 seconds. But with everything in place these processors will run for a long time. I still have a 300mghz pentium 2 that I use as backup storage and she is running strong.
 
also if you have just a factory fan and you overclock your cpu you run risk of overheating it that way
 

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