Discussion what exactly is the difference between the high-performance power mode and the ultimate performance mode in windows 11?

Order 66

Grand Moff
Apr 13, 2023
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For the most part the difference is that on Ultimate settings, none of your attached hardware will ever go into sleep mode. This includes CPU/GPU, USB, SSDs. This can have the effect of higher temps when PC idling. It may also use up CPU cycles. As for longevity in that state, I'm not sure if there would be faster degradation in the components, but given they are in an always-on state, that might be the case.
 
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Colif

Win 11 Master
Moderator
i don't bother running them.

Do you need your PC running warm all the time? I remember having a Samsung ssd with its performance optimisation turned on which run PC in High performance at same time as having an OC on the CPU.
CPU doesn't need to run at max speed if its just at desktop. I soon turned them off, its a bad combo in summer.
 
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The three default ones:
  • Power saver: Most peripheral power saving options are enabled or set to their most aggressive behavior. CPU core parking is also enabled
  • Balanced: Most peripheral power saving options are either enabled or set to a moderate behavior. CPU core parking is disabled
  • High Power: Most peripheral power saving options are disabled

Of note there's likely a lot of hidden options when changing advanced power options. For example powercfg -attributes sub_processor perfboostmode -attrib_hide shows the option for CPU boosting behavior while powercfg -attributes sub_processor 0cc5b647-c1df-4637-891a-dec35c318583 -attrib_hide shows the option for core parking. Funny enough, the CPU boosting behavior for all three is "Aggressive".

Also I've noticed even in High Power, the CPU's power management will still kick in the form of reducing clock speeds and entering the other C-states. There may be an additional option to disable this, but it's also likely that this can only be configured in BIOS.

Similarly, video cards (at least NVIDIA ones, I don't have an AMD one to confirm its behavior) will still drop down in clock speeds even if you say something like "prefer maximum performance" or something. PCIe Link power management only affects if the PCIe bus is allowed to go down in "version" to save power.

In any case, the only potential difference in choosing anything higher than balanced is maybe more consistent performance. But as long as something high performant is running, the hardware is likely not going to go down in power state anyway. If you want consistent performance, you're going to have to lock the clock speed.
 
I am still running AMD Ryzen Balanced. A left over from their custom plans
For Zen 3, you don't need it. Windows Balanced lets the CPU work as intended. I think that's because the updated AGESA s over time addressed some software issues. But, in every single chipset driver I updated, there's always a Ryzen balanced plan there. Don't figure! :ROFLMAO: It is still required for Zen 3xxx/2xxx afaik.
 
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Order 66

Grand Moff
Apr 13, 2023
2,165
909
2,570
For Zen 3, you don't need it. Windows Balanced lets the CPU work as intended. I think that's because the updated AGESA s over time addressed some software issues. But, in every single chipset driver I updated, there's always a Ryzen balanced plan there. Don't figure! :ROFLMAO: It is still required for Zen 3xxx/2xxx afaik.
what about zen 4?
 

Colif

Win 11 Master
Moderator
Ryzen 5000 series CPUs do not require a special Ryzen Power Profile, so it is not installed with Chipset driver package. Please use the Windows Balanced Power Profile for these procesors. Previous generation Ryzen processors will continue to use the Ryzen Balanced Power Profile for optimal performance and this is included in the Chipset driver package.

Starting with AMD Chipset Driver 02.10.13.408, the processor power can be adjusted via Performance and Energy slider on systems running Windows 10 2004 and later.