Core Temp 0.99.5.14 Beta 2
Core Temp 0.99.5.14 Beta 2 Ranking & Summary
Core Temp 0.99.5.14 Beta 2 description
Core Temp 0.99.5.14 Beta 2 offers you a tool which can serve as a compact, no fuss, small footprint program to monitor CPU temperature.
The uniqueness of it is that it shows the temperature of each individual core in a each processor in your system! You can see in real time how the CPU temperature varies when you load your CPU.
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.
This feature is supported on all Intel Core and Core 2 series of processors as well as the whole AMDs AMD64 line of CPUs.
Core Temp will also offer you 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 transfered into an excel datasheet for easy graphing.
Core Temp lets you monitor Intel "Core Duo", "Core Solo" (Yonah), "Core 2 Duo", "Core 2 Extreme", "Core 2 Quad", " Pentium E2000" series, "Celeron 400500" series (Allendale, Conroe, Merom, Kentsfield, Conroe-L respectively), "Xeon 3000/3200/5100/5300" series (Woodcrest, Clovertown respectively) and all AMD K8 (AMD64) and K10 (Phenom, Opteron) series die temperature.
The temperature readings are very accurate as the data is collected from a Digital Thermal Sensor (or DTS) which is located in each individual processing core, near the hottest part. This sensor is digital, which means it doesn't rely on an external circuit located on the motherboard to report temperature, its value is stored in a special register in the processor so any software can access and read it. This eliminates any inaccuracy that can be caused by external motherboard circuits and sensors and then different types of programs trying to read those sensors.
This is how the program works:
Intel defines a certain Tjunction temperature for the processor. In the case of Yonah it is 85C° or 100C°. First of all the program reads from a Model Specific Register (or MSR), and detects the Tjunction temperature. A different MSR contains the temperature data, this data is represented as Delta in C° between current temperature and Tjunction.So the actual temperature is calculated like this 'Core Temp = Tjunction - Delta'
The size of the data field is 7 bits. This means a Delta of 0 - 127C° can be reported in theory. But from preliminary tests, the reported temperature doesn't go below 0C°, no matter what kind of cooling was used.
AMD chips report the temperature by a special register in the CPU's NB. Core Temp reads that register and uses a formula provided by AMD to calculate the current temperature.
The formula for the K8 is: 'Core Temp = Value - 49'.
The formula for the K10* is: 'CPU Temp** = Value / 8'.
The sensor in AMD CPUs can report temperatures between -49C and 206C.
*K10 = Phenom (Agena), Opteron (Barcelona). The K10 reports a temperature value that is relative to a certain predefined value, it doesn't report the actual processor temperature! So take that into consideration.
**CPU Temp is because the PhenomOpteron (K10) have only one sensor per package, meaning there is only one reading per processor.
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