If you are testing the performance, ok seems fair, but power efficiency should be measured with two processors with the same TDP. It really don’t slow down your PC. Sign up using Facebook. Negative voltage offset should probably be applied. Due to their different usage, Cool’n’Quiet refers to desktop and server chips, while PowerNow!

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Earlier kernels were better in this regard. Now driver unwilling to reclock GPU to MHz lowest clock, ok for idle desktop and only uses MHz after boot far hotter and power hungry mode. The Am requires a driver that reads the table and instructs the CPU to switch to a certain state, depending on load, according to some governor.

If your interested in overclocking and power saving use the ryzen balance power profile but you may need to turn global C-states on and possibly C That is how it works on msi boards. Core boost and Cool n Quiet should be turned off automatically when you change multiplier. It looks like you wrote a lowercase I instead of an uppercase I.

Any other tech support posts will be removed at moderator discretion. But it looks like if it’s not a case.

How to Disable AMD’s Cool’n’Quiet

But yet again, that would not be fair. At least until we sat through this movie and others. If you use the bus frequency, though, you are overclocking every state – which means it can become unstable when the CPU enacts its power ams features. At times, it was very pronounced but other times it was very subtle, but it was not so subtle that we did not notice. Originally posted by pingufunkybeat View Post.


Quotes are fine, but pasting the entire article in a textpost is not. I have seen that in idle the voltage is the same I set from bios, while doing stress test it is around 0.

performance – Does AMD Cool n Quiet Slow Down Your System? – Super User

But it and seems to cause system instability, although not as frequently as previously – every few days instead of consistently within 24 hours. C-state is required to achieve the xfr function if you have an x line ryzen cpu. Stock cooler is more than capable handling it. For extreme overclocking its a must to disable c states.

Ryzen can become unstable when overclocking with temps above 70 degrees. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

There’s no need for petty cbq on this sub. Earlier on K8, the driver also needed to accurately do and time all the nitty-gritty low-level details of transitioning between states, and this was quite error-prone, depending on hardware. Incomplete lists from October In addition to the CPU drivers offered by AMD, several motherboard manufacturers have released software to give the end user more control over the Cool ‘n’ Quiet feature, as well as the other new features of AMD processors and chipsets.


Does CnQ cause issues with system stability?

Testing should take hours or days, a lot of people rush the testing amx. Try a higher input voltage to the vrm pll? I read that to improve stability I have to deactivate C6 states, Cool’n’Quiet, Global C-state and Core performance boost, but nobody can tell me why.

I am doing an overclock just for gaming, not an extreme at all Anyway atm I found stability at 3. Submit news or links. The aim of this technology is to reduce overall power consumption and lower heat generation, allowing for slower thus quieter cooling fan operation.

What is their work? No I intend to overclock and fine tune memory settings, but only after I have established a stable baseline. One of the prime objectives for our HTPC systems is energy saving, especially during chq operation – the idea being that lower power use produces less heat and should therefore also result in a quieter system.