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CPU clocks past max speed.

Tags:
  • Overclocking
  • weird spikes
  • Speed
  • CPUs
  • Media Player
Last response: in CPUs
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December 1, 2013 4:44:07 PM

So I have a AMD A6-3420M and the max clock speed SHOULD be 1.5ghz. Well I'm sitting here with two M$ Word docs open, Skype, and Windows Media Player open, and my fan is revving up. I check the temps and they were over 60C* on a normal table. I checked the clock speed and it keeps going from 1.5ghz to 2.4ghz. I have no idea why for I haven't OC'd it and I'm trying to figure out why it's doing this.



The clock speed spikes for all four cores, but one at a time. So say three are at 1.5ghz and one will be at 2.4ghz, and so on.

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a b K Overclocking
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December 1, 2013 4:47:43 PM
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a b K Overclocking
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December 1, 2013 4:48:54 PM

I do not use AMD cpus or apus, but I am guessing it is like intel's turbo. One core boosts to higher speeds during single threaded work loads.
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December 1, 2013 4:50:54 PM

Thanks guys.
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a b K Overclocking
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December 1, 2013 4:52:52 PM

2.4Ghz appears to be the normal "Turbo" speed for laptops. It will only sustain the higher speeds as needed and if the temp goes past a preset limit, it will stop it from running faster. You should find out from the manufacturer, what highest temp is considered OK, to see if you have a real problem. 62 is high, but may be within max specification for a laptop.
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December 1, 2013 4:56:57 PM

avjguy2362 said:
2.4Ghz appears to be the normal "Turbo" speed for laptops. It will only sustain the higher speeds as needed and if the temp goes past a preset limit, it will stop it from running faster. You should find out from the manufacturer, what highest temp is considered OK, to see if you have a real problem. 62 is high, but may be within max specification for a laptop.

No, 62 is average, and well within a laptops spec. AMD desktop has a Tcase of 65 while it is safe up towards 70. Intel's tcase is 72 while 80 starts getting warm. Laptops commonly get to 90-100c.
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