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my new pc keeps stuttering

Go to solution Solved by Milinko01,

Found this on Reddit might be of some help, it suggesting the E cores might be to blame could be useful info.

 

 

Hi Everyone i recently built my new pc it has a i9-13900k 32GB DDR5 5600mhz Xmp enabled Motherboard is a z790a wifi pro. 1000w titanium 80+ maingear psu currently running on windows 11. i also have a nvme samsung evo as my primary drive and a western digital ssd as my secondary.

 

all parts are under a month old.

 

my problem is no matter what game im playing and in what resolution my pc is having stuttering issues and i cant figure out why. ive done clean reinstall of OS and it still occures. All drivers are up to date as well as BIOS

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just try running the PC with XMP turned off...

I have zero stuttering but some games in my steam library do stutter when i switch XMP on. I am just too lazy to struggle with memory timings etc so for me I just run as is no XMP and do not really notice that loss of a tiny number of extra FPS that it can deliver. thats just me though. however if it solves the stter and you still want that little bit extra performance XMP gives then you may need to play with the memory timings.

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Try changing your mouse and keyboard, looks to me like a polling issue.

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what is a polling issue? current keyboard is rkroyal kludge and razer basilisk x hyperspeed

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1 hour ago, IMBIS-BC said:

I'll try turning XMP off and seeing if I still notice the stuttering. I appreciate the reply!

Did this help at all?

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7 minutes ago, Milinko01 said:

Did this help at all?

image.thumb.png.b510019f1f24fbeaa4d63c88d5a8aad4.png

 

nope still stuttering with xmp off and ram at its base of 4800

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Are you running off the iGPU or a dedicated card?

 

Where are the games installed?

 

What PCIe version are you operating at?

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running off the 4080. where do i check the pcei and they are installed on the primary samsung evo nvme drive

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Found this on Reddit might be of some help, it suggesting the E cores might be to blame could be useful info.

 

 

Gigabyte X570 Aorus Ultra - Ryzen 5600X - MSI RX5700 Mech OC - Corsair Vengeance pro 32GB 3200Mhz - Dual Alienware 2720HF 27" 240hz

Corsair iCUE H150i Elite Capellix - EVGA SuperNOVA G3 850w 80+ Gold - Phanteks Eclipse P500a case

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2 minutes ago, IMBIS-BC said:

running off the 4080. where do i check the pcei and they are installed on the primary samsung evo nvme drive

you'll find the settings in BIOS you could try setting it to PCIe 3.0 to see if that helps, 4080 cant saturate t at PCIe 4.0 and your Nvme is 3.0 anyway.

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ive looked in my bios i did not see an option to park e cores or a way to change my pcie speeds in basic or advanced view

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you should be able to turn off the E cores via the overclocking settings.

 

screenshot from MSI forums https://forum-en.msi.com/index.php?threads/z690-pro-how-to-disable-all-efficiency-cores.368964/ 

 

You could check for BIOS update to see if that helps.

Screenshot 2023-02-02 183506.png

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Here are some screenshots of where you should find the PCIe setting and a link to the BIOS manual 

 

https://us.msi.com/support/technical_details/MB_BIOS_Manual#txt04

 

 

image.png.3ddf17b3a3ed6742f1b20aa76da38597.png

Screenshot 2023-02-02 184105.png

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Per E-Core Control = Enabled

set all E-core to Disabled

 

System should only use P-cores after this

 

It seems a lot of programs and "older" games have issues with E-cores and even when set CPU affinity to just P-Cores the E-cores still get leveraged.

this will outright shut them off entirely before windows ever gets involved.

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ill try e cores first and record the frametimes if still stuttering ill switch pcie to gen 3 and ecores off and if still stuttering ill try pcie 3 with ecore on ill let you know how it goes

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this is with xmp on ecores on1308628879_hitman3.thumb.jpg.8e3b876b021ba1ba1483371e69e5907e.jpg

 

this is with xmp off746125937_hitmanoff.thumb.jpg.fc671dd5cde2f1009c1ec11b86ad183c.jpg

 

this is with xmp off ecores off

67672694_xmpoffecoresoff.thumb.jpg.88143d95e497aa76ab26f61051ddcf92.jpg

 

 

all captured using the dubai non interactive benchmark

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ok 70% reduction in stutter we are defiantly onto something here.

 

What is your refresh rate set to?

What resolution are you running at?

Are you using Vsync?

What is your monitors max supported refresh rate?

What is the native resolution?

 

 

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currently running a 165hz monitor at 1080p i dont have my 1440p monitor at the moment. all of the above were recorded at 165hz capped in nvidia control panel vsync set to adaptive and gpu set to max performance.

 

that all stayed consistent during the tests

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Ok lets loose the Vsync 

 

open windows settings > System > power and sleep > additional power settings and select the High performance option 

 

Run tests again keeping with no E-core no XMP

 

 

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