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9950X: core parking

J

jyi786

Supreme [H]ardness
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Jun 13, 2002
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Thread title says it all. I'm moving to my first ever AMD build. I've familiarized myself with core parking. My questions:

1. Do I have to configure core parking in Windows for the 9950X?
2. How much performance will I lose if I don't?
 
no
in what?
install the newest chipset drivers, leave it on the balanced power profile, and make sure the xbox stuff is enabled. thats all you have to do.
 
1. I'm going to be using this in an ASRock X870E Taichi.
2. I've read that there are some registry keys that have to be manipulated. Is this not the case?
 
jyi786 said:
1. I'm going to be using this in an ASRock X870E Taichi.
2. I've read that there are some registry keys that have to be manipulated. Is this not the case?
Click to expand...
ok
i have not heard anything like that. where are you getting/seeing this?
 
arestavo said:
Maybe from some techtubers who swap CPUs out on the same windows install?

OP, just do a fresh windows install, install the latest AMD chipset driver, and make sure Game Bar is installed and working.
Click to expand...

oh maybe.

op, if you building it all new, load a fresh install of windows. if youre transplanting a drive, remove the chipset drivers first, install the new ones when windows it up again.
 
Gamers Nexus has an excellent article here: https://gamersnexus.net/cpus/amd-ry...marks-vs-7950x-9700x-14900k-more#core-parking

To verify it's working correctly, do step 7 and also the resource monitor trick listed below it. If you upgraded from something else and have issues, Revo Uninstaller AMD Chipset Drivers, reboot, then reinstall them and you won't have to reinstall Windows.

The performance penalty for multi CCD X3D chips is much higher since you want games to run on the CCD with more cache. When you have something like the 9950X the penalty is lessened, but the extra latency from cross CCD communication during gaming will not be ideal. Assuming you're using Windows 11, you want to take the small amount of time to verify it's working correctly. I have had 0 issues with core parking and the Xbox Game Bar when I built this 7900X3D rig and even when I updated from Windows 11 23H2 to 24H2. You NEVER have to touch the registry.
 
Dopamin3 said:
Gamers Nexus has an excellent article here: https://gamersnexus.net/cpus/amd-ry...marks-vs-7950x-9700x-14900k-more#core-parking

To verify it's working correctly, do step 7 and also the resource monitor trick listed below it. If you upgraded from something else and have issues, Revo Uninstaller AMD Chipset Drivers, reboot, then reinstall them and you won't have to reinstall Windows.

The performance penalty for multi CCD X3D chips is much higher since you want games to run on the CCD with more cache. When you have something like the 9950X the penalty is lessened, but the extra latency from cross CCD communication during gaming will not be ideal. Assuming you're using Windows 11, you want to take the small amount of time to verify it's working correctly. I have had 0 issues with core parking and the Xbox Game Bar when I built this 7900X3D rig and even when I updated from Windows 11 23H2 to 24H2. You NEVER have to touch the registry.
Click to expand...
i forgot one step, the command line part. but all of it is unneeded if its a fresh install:
"These steps apply only when moving TO one of these four CPUs. If you boot with one of these four CPUs and then later move to a CPU that doesn't require core parking, AMD's official advice is to reinstall Windows, or "you can try uninstalling then re-installing the AMD Chipset Driver as a workaround.""
 
pendragon1 said:
i forgot one step, the command line part. but all of it is unneeded if its a fresh install:
"These steps apply only when moving TO one of these four CPUs. If you boot with one of these four CPUs and then later move to a CPU that doesn't require core parking, AMD's official advice is to reinstall Windows, or "you can try uninstalling then re-installing the AMD Chipset Driver as a workaround.""
Click to expand...
Yep, it was two channels: Gamers Nexus and JayzTwoCents that I found this info about core parking.

Sounds good; I guess I don't need to do anything if it's a clean install, other than what was already posted. I'll be sure to do so and check back. And yes, I do plan to do a clean install of Windows 11 24H2.
 
jyi786 said:
Yep, it was two channels: Gamers Nexus and JayzTwoCents that I found this info about core parking.

Sounds good; I guess I don't need to do anything if it's a clean install, other than what was already posted. I'll be sure to do so and check back. And yes, I do plan to do a clean install of Windows 11 24H2.
Click to expand...
then all you have to do is drivers and updates and youre gtg.
 
Is core parking a thing for the 8 core X3D chips also? Or only for chips with more that 8 cores?
 
xDiVolatilX said:
Is core parking a thing for the 8 core X3D chips also? Or only for chips with more that 8 cores?
Click to expand...
Not unless something is messed up with the chipset driver installation. It's a way to get tasks to run on a specific CCD to reduce issues.
 
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