CPU underclocking under load
CPU underclocking under load
So here's the story, I've overclocked my 880K to 4.3 Ghz, but I've also noticed that the CPU underclocks itself from 4.3 to 3.7 Ghz when under load. I'm thinking it's my PSU because...it's cheap and it's not rated. I've also set the power option to "Prefer Maximum Performance". Also Windows always crash under load when I set the CPU Load Line Calibration to ±20% or up. Temps are also fine.
My PC Specs :
AMD Athlon X4 880K @4.3 Ghz 1.38 V (stock cooler)
Biostar A88MQ
Dtech PW006 450W
The problems you're facing might stem from several causes. One possible reason is insufficient airflow.
Your board isn't optimized for overclocking because it doesn't have adequate heatsinks to manage heat from the VRM area.
The PSU could also be a factor if your system fails to run smoothly.
Using the stock cooler during such an overclock is not recommended; your voltages should ideally be around 1.25v, with a maximum of 1.28v.
Lutfij :
The problems you're facing might come from several sources. One possible reason is insufficient airflow.
Your current board isn't optimized for overclocking because it doesn't have adequate heatsinks to manage heat from the VRM area.
The PSU could also be a factor if your system fails to run smoothly.
Using the stock cooler with such an overclock isn't recommended; your voltages seem too high, ideally around 1.25v maximum, not exceeding 1.28v.
I concur with all your points. My case only has two fans, so upgrading to a model like Cougar MX330 would help. For the cooler, I'm considering Cooler Master Hyper 212 X and plan to adjust the voltage to check stability.
Lutfij :
The problems you're facing might stem from several causes. One possible reason is insufficient airflow.
The board you're using isn't optimized for overclocking due to inadequate heatsinks for the VRM area.
The PSU could also be a factor if it's not performing well, causing system instability.
Avoid using the stock cooler for such an overclock; your voltages should be around 1.25v with a maximum of 1.28v.
I've lowered the clock speed to 4.2 Ghz, which is the default turbo setting, and achieved stable voltage at 1.33 V. The CPU still underclocks during load.
Lutfij :
The problems you're facing might stem from several causes. One possible reason is insufficient airflow.
Your board isn't optimized for overclocking due to inadequate heatsinks for the VRM area.
The PSU could also be a factor if it's not performing well, causing system instability.
Using the stock cooler with such an overclock isn't recommended; your voltages should ideally be around 1.25v, with a maximum of 1.28v.
I discovered my fix was downclocking because I had left 'pwm processor hot' enabled, which stopped the CPU from underclocking.