Core Temp is a compact, no fuss, small footprint program to monitor CPU temperature.
Now Windows Vista and Windows 7 ready! (x86 and x64)

The uniqueness of it is that it shows the temperature of each individual core in each processor in your system! You can see in real time how the CPU temperature varies when you load your CPU. It's also completely motherboard independent.

Intel and AMD recently published detailed, public information about the "DTS" (Digital Thermal Sensor), which provides much higher accuracy and more relevant temperature reading than the standard thermal diode sensors do. (How does it work?).

This feature is supported on all Intel Core and Core 2 based processors as well as the whole AMD's Athlon64 line of CPUs. For a full list of supported CPUs see the CPU Support List.
Note: AMD Phenom is supported, but it does not report absolute temperature. More on this in How does it work?.

Core Temp also has a logging feature, allowing a user to easily record the temperature of his processor(s) over any period of time, then the data can be easily transferred into an excel datasheet for easy graphing.

Core Temp works on Windows 2000, XP, 2003 and Vista (both 32bit and 64bit versions).
Thanks to CoolIT Systems for providing a digitally signed Core Temp driver which now works on all Vista versions.

New feature in Core Temp 1.0: Plug in system
I have started to work on a new feature aimed at developers for Core Temp.
I've been talking about shared memory in the previous release, and although that gives some flexibility in creating Core Temp add-ons, it doesn't make the 3rd party software an integral part of Core Temp.
The plug in system changes that as it will allow any programmer with an idea for a new Core Temp feature\extension to create one, add it to Core Temp and the plug in becomes a part of it.
Continue reading...

Starting with version 0.99, Core Temp implements "Shared Memory" allowing developers access to temperature readings and other CPU statistics provided directly by Core Temp.
Dynamic Link Libraries (DLLs) are supplied for both C++ (and other unmanaged languages) and .NET Framework 2.0, allowing easy access to the readings without having to write any shared memory related code.
For more information, please visit the Developers page.

Version 0.99.5.27 - 5th August, 2009

- Fix: Crash on AMD 45nm processors.

Version 0.99.5.26 - 3rd August, 2009

- Fix: Incorrect clock speeds reported on some systems.
- Fix: At startup Core Temp shows 0 (?) or 21 (?) on AMD K8 series.
- Fix: Turion MK series recognition was wrong.
- Fix: Properly detect Atom and Core i7 engineering samples.
- Fix: Tri-Core AMD CPUs incorrectly shown as having only 2 cores and 2 threads in 64bit Core Temp binary.
- Fix: System tray text was off center.
- Fix: Penryn (mobile Core 2) processors reported as having 85C TjMax instead of 90C.
- Fix: Settings window would open centered, and sometimes out of the desktop area.
- Fix: System tray icon very small in Windows 2000/XP/2003.
- Fix: AMD Athlon X2 4x50e series detected as 3x50e.
- Fix: Using a negative offset on AMD systems results in "42949672xx°C" being displayed.
- Fix: Add support for Mobile Athlon 64 X2 TK-xx series and Turion 64 MK-xx series.
- Fix: Workaround added for when Core Temp fails to find supported CPUs on Phenom based systems.
- Fix: PROCHOT signal from Intel CPUs was not picked up correctly.
- Fix: Core Temp would start out of the desktop area, and the main Window couldn't be seen/accessed.
- Fix: False overheating warning on AMD systems.
- Fix: False readings of over 200C° on AMD systems.
- Fix: High/low temperatures would be reversed when "Show distance to TjMax" was enabled.
- Fix: Clicking "Defaults" button in settings would enable logging when it should be disabled by default.
- Fix: 23xx and 83xx series AMD Opterons recognized as 83xx and 23xx respectively.
- Fix: System tray icons appear incorrectly on AMD K10 and newer CPUs.
- Fix: "Show highest temp of each CPU" systemtray icon configuration sometimes reports duplicate readings.
- Fix: G15 applet did not work after resuming from Sleep/Suspend.

- Add: Completely new code for processor speed detection.
- Add: A comprehensive processor information window (F3 or Tools --> System information).
- Add: Thermal protection mechanism. (Look at Options menu, changed from 0.99.5.20 beta)
- Add: Support for the latest AMD and Intel CPUs.
- Add: Mini mode for GUI. (Double click anywhere to switch between modes)
- Add: Per core temperature offset adjustment. (Look at Options menu)
- Add: Screenshots are now taken in the lossless but very compact PNG format.
- Add: User defined text colors for main Window. (Options --> Settings)
- Add: Show high/low temperatures. (Press F6 or the Tools menu to reset values)
- Add: On/Off switch for G15 applet in Tools menu.
- Add: Running several instances of Core Temp is now possible (enable in Settings).

- Change: Temp turns Orange when temperature is over TControl, and Red when CPU is thottling/critical.
- Change: Reorganized menu.
- Change: TjMax for mobile Atom processors changed to 90C.
- Change: "Lion" codename for AMD Turion was changed to "Griffin".
- Change: Completely dropped support for older Windows NT OS, Windows XP or up is required.
(For Windows 2000: download GDIPlus.dll here http://www.dll-files.com/dllindex/dll-files.shtml?gdiplus)

Full change log

Supported CPU list

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