CPU Core Temperature.

Lance1

Lance1

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As you can see in the screen shot one is my default Asrock hardware monitor and the other is Core Teme 1.12.1. One says 33c and the other says 14c! A vast difference. So which one do I trust??
 

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My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Built By Me.
OS
Windows 10 Pro 64 bit
CPU
AMD FX 9590 8 Core Black Edition
Motherboard
MSI 990FXA GAMING (MS-7893)
Memory
Corsair Vengeance 16GB DDR3
Graphics Card(s)
AMD Radeon (TM) R9 380 Gaming Series
Sound Card
AMD High Definition
Monitor(s) Displays
Samsung 32" 60Hz 4ms Curved PLS LED
Screen Resolution
1920 X 1080
Hard Drives
C: 223 GB SSD = E: 465 GB HDD = F: 931 GB HDD = G: 149 GB HDD = H: 931 GB HDD
PSU
EVGA Supernova NEX750B 750W ATX EPS12V 80PLUS Bronze
Case
Cool Master
Cooling
Noctua NH-D15 Premium Cooler with 2x NF-A15 PWM 140mm Fan
Internet Speed
Fiber Optic: Download 332.7 Mbps / Upload 331.5 Mbps
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Windows Defender
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Slimjet (64bit)
No load CPU temperature should be about 10ºC above room temperature. Unless your room temperature is ~4ºC.....

I use Open Hardware Monitor - Core temp, fan speed and voltages in a free software gadget

402593d1517403227-matching-new-ram-monitor.jpg
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    custom build
    OS
    Windows 7 HP 64
    CPU
    i5 6600K - 800MHz to 4200MHz
    Motherboard
    GA-Z170-HD3P
    Memory
    4+4G GSkill DDR4 3000
    Graphics Card(s)
    IG - Intel 530
    Monitor(s) Displays
    Samsung 226BW
    Screen Resolution
    1680x1050
    Hard Drives
    (1) -1 SM951 – 128GB M.2 AHCI PCIe SSD drive for Windows 7 and Lubuntu
    (2) -1 WD SATA 3 - 1T for Data
    (3) -1 WD SATA 3 - 1T for backup
    PSU
    Thermaltake 450W TR2 gold
    Keyboard
    Old and good Chicony mechanical keyboard
    Mouse
    Logitech mX performance - 9 buttons (had to disable some)
    Internet Speed
    500Mb/s
    Browser
    Firefox 64
    Other Info
    TinyWall firewall
  • Computer type
    Laptop
    System Manufacturer/Model Number
    Asus Q550LF
    OS
    Windows 7 Pro
    CPU
    i7-4500U 800MHz to 3.0GHz
    Motherboard
    Asus Q550LF
    Memory
    (4+4)G DDR3 1600
    Graphics Card(s)
    IG intel 4400 + NVIDIA GeForce GT 745M
    Sound Card
    Realtek
    Monitor(s) Displays
    LG Display LP156WF4-SPH1
    Screen Resolution
    1920 x 1080
    Hard Drives
    BX500 120G SSD for Windows and programs +
    1T HDD for data
    Internet Speed
    500 Mb/s
    Browser
    Firefox
    Other Info
    TinyWall firewall
33ºC seems more normal for a CPU than 14ºC. You can install 3rd software of this kind and see what it says.
 
Vishera cores always read 20C lower than they actually are on most software, in my experience with mine and others.


It's just a weirdness of AMD that no one wants to correct.


I would believe the Asrock utility before CoreTemp in this case.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Mellon Labs (custom build)
OS
Win 7 Pro x64/Win 10 Pro x64 dual boot
CPU
AMD FX 8350 Vishera @ 4200
Motherboard
ASUS M5A97 R2.0
Memory
16 GB Mushkin Blackline DDR3-2400 @ 1866 (9-10-10-10-31)
Graphics Card(s)
XFX Radeon R9 280 Double D Black Edition
Sound Card
Realtek HD Audio on MB. Sounds great.
Monitor(s) Displays
Acer 24", Acer 22"
Screen Resolution
3840 x 1080
Hard Drives
1 x Mushkin Chronos 120 GB SSD (Win 10)
1 x Samsung 850 EVO 250 GB SSD (Win 7)
1 x WD 1TB SATA Blue
1 x WD 1TB SATA Green
PSU
Corsair TX-750
Case
CoolerMaster HAF 912+
Cooling
Coolermaster Seidon 240M Liquid AIO. 6 case fans
Keyboard
Logitech G710+
Mouse
Logitech G500s
Internet Speed
Much better since I got fiber, but still way overpriced.
Antivirus
MSE, Malware Bytes for scanning
Browser
Firefox
Other Info
Corsair VOID USB headphones.

A Mellon Labs X-1 - LCD Smartie driven system status display.

Brought to you by the letter E
Temperature measurement is somewhat problematic. The problem is that there are no firm standards for temperature measurement hardware so manufacturers are able to do this however they please. To get reliable results software must attempt to determine the hardware used. This is not foolproof and mistakes are made. This can result in impossible numbers. With normal cooling methods it is impossible for CPU temperatures to be lower than ambient. That's physics.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
HP
OS
Windows 7 Pro 64 bit
CPU
Xeon W3520
Memory
8 GB
Graphics Card(s)
Nvidia Geforce 210
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