this post was submitted on 07 Jun 2025
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r/overclocking - for those who like to push their chips a little harder

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All things overclocking go here. Learn to overclock, ask experienced users your questions, boast your rock-stable, sky-high OC and help others!.

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The original post: /r/overclocking by /u/JokerGhostx on 2025-06-06 23:03:15.

Hello everyone , just got my i9-13900k(capped at 254W to prevent thermal throttle)setup with a noctua nh-d15 . Case has good airflow but even cranking fans at 100% it cant hold below 80 while gaming (it can but it fluctuates back and pretty much i'm not really winning anything). I have a z790 meg tomahawk wifi max from MSI as the motherboard. Funny enough it doesnt have a vcore sensor and xtu doesnt run on it.(Why? Idk) . I am a newbie in undervolting so i saw VID asked for 1.5V 1.55V so i decided lets go 1.25V😃. I've played around with those values but i came to find out they drop performance a lot(by hundreds of fps in mc with 32 chunks 32 simulated and flying around). Any tips? Ill stop playing with values until i can find a good answer. Pls dont tell me to get a water cooler (the cpu got me broke 🤣🤣 . Will do in the future tho) I forgot to mention , idk what cpu voltage mode to use , it got me confused. I used adaptive (default is auto). Any help is appreciated . Ty

Edit: unrelated to undervolting but ithought about the behaviour twice and maybe the windows installation is corrupt or smth , directx issues and dlls missing. Ill reinstall but i still need some advice on how to properly undervolt

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