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CPU Clockspeed suddenly goes down during games?

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February 14, 2014 12:20:17 PM

I have an AMD FX-4100 overclocked to 4.2GHz. During playing games this clock speed goes down to 1.5GHz. This causes my FPS to go down to about 10FPS (In Battlefield 3)

I am sure that this is happening, how do i fix this?

Thanks!
a b K Overclocking
a b à CPUs
February 14, 2014 12:24:18 PM

Check your CPU temps during gaming.
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February 14, 2014 12:39:59 PM

ahnilated said:
Check your CPU temps during gaming.

I just tried and it went up to 180 Celcius (356 fahrenheit). Wouldn't my PC shut down by this temperature?
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February 14, 2014 12:47:56 PM

SpiritusIgnus said:
ahnilated said:
Check your CPU temps during gaming.

I just tried and it went up to 180 Celcius (356 fahrenheit). Wouldn't my PC shut down by this temperature?


My 8350 would never shut down due to heat - just due to instability. It would, however, down clock to 2000ghz whenever my VRM/Mosfet temps started creeping up too far. That might be what's going on now. Download AMD Overdrive and run their benchmark while you set it to record your stats. If you see your temp climb climb climb, plummet and then start over - this is your issue.
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February 14, 2014 1:03:51 PM

SpiritusIgnus said:
ahnilated said:
Check your CPU temps during gaming.

I just tried and it went up to 180 Celcius (356 fahrenheit). Wouldn't my PC shut down by this temperature?
That's dangerously high, I wouldn't attempt any overclock or benchmarking until you are sure your thermal solution is functioning correctly.

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a b K Overclocking
a b à CPUs
February 14, 2014 1:22:57 PM

SpiritusIgnus said:
ahnilated said:
Check your CPU temps during gaming.

I just tried and it went up to 180 Celcius (356 fahrenheit). Wouldn't my PC shut down by this temperature?


Yeah, that is just shy of melting the solder that connects the chip and WAY too high. It shouldn't get above 80C.
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