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  1. #1
    New ROGer Array
    Join Date
    Jun 2020
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    Issue: CPU cores running very hot.

    Hi all, im a new. Nice to meet u.

    And second,

    My system features an Asus motherboard and Ryujin cooler. Now today, I've noticed that the CPU cores are running at 63 degrees C or so while the CPU package temperature is a healthy 36 or so degress. The utilization of the CPU is clearly at idle when this is happening--so it is not software related.

    Does anyone know why this is? Is it the cooler or paste maybe?

    Tks in advance./

  2. #2
    New ROGer Array RedSector73 PC Specs
    RedSector73 PC Specs
    MotherboardROG CROSSHAIR VIII HERO (WI-FI)
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)4 x G.SKILL F4-3800C14D-16GTZN 14-16-16-36
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    Sound CardArctis DAC
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 10 64bit Pro
    Network RouterRT-AC87U

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    Apr 2018
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    Hello, welcome to forum.

    You are going to have share with us your CPU, Motherboard, RAM, BIOS version. There are many reasons for anything but only one right answer. Generally the more detailed information you provide the quicker you will find a correct answer.
    Last edited by RedSector73; 06-22-2020 at 10:56 AM.

  3. #3
    ROG Guru: Orange Belt Array Super Gnome PC Specs
    Super Gnome PC Specs
    MotherboardROG Rampage VI Extreme Omega / ROG Crosshair VIII Formula
    ProcessorIntel® Core™ i9-9980XE / AMD 3950x
    Memory (part number)Corsair LPX Vengeance DDR4 2666MHz 128 GB / Corsair Vengeance LPX 32GB DDR4-3200 32GB DDR4 3200MH
    Graphics Card #1Asus 2080 Turbo / Asus 2080 ti Turbo
    Graphics Card #2Asus 2080 Turbo / Asus 2080 ti Turbo
    MonitorJAPANNEXT JN-VT500UHD 4K 50-inch LCD
    Storage #1Crucial MX500 1 TB / Sabient SB-ROCKET-NVMe4-500
    Storage #2Samsung 970 Pro 1 TB / ADATA XPG SX5500 Pro 3D NAND NVMe Gen3x4 PCIe M.2
    CPU CoolerROG Ryujin 360 / NZXT Kraken X62
    CaseThermaltake View 71 TG / Thermaltake View 31
    Power SupplyCORSAIR AXi Series, AX1600i 1600 watt / Thermaltake Toughpower iRGB 1200 watt
    Accessory #1 Noctua 140mm 3000 RPM x 4 / Noctua 140 mm 3000 RPM x 2
    Accessory #2 Gigabyte GC-A 2WAY NVLINK RGB (3-slot) / ROG NVLINK Bridge 3-Slot A

    Join Date
    Mar 2019
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    Quote Originally Posted by nydianecrowe04 View Post
    an Asus motherboard and Ryujin cooler. Now today, I've noticed that the CPU cores are running at 63 degrees C or so while the CPU package temperature is a healthy 36 or so degress. The utilization of the CPU is clearly at idle when this is happening--so it is not software related.

    Tks in advance./

    The package temperature is taken with a probe behind the CPU, so it is a very poor indicator of how hot your CPU is running at. Those core temperatures are unusually high for idle speed. Is that an Intel or AMD CPU, and what model?


    There is an issue with the newest BIOS for some Rampage VI Extreme Omega users (possibly other motherboard models using the same BIOS) where their core CPU temperatures and clock speeds are unusually high at stock default settings. Also, i have the same cooler, a Ryujin, and while it is generally fine, some argue it has a design flaw in that it reacts to the package temperature--which, as mentioned above, is a poor indicator of the CPU temperature.

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