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Intel Temperature Guide - CPUs. Intel Temperature Guide - by Compu. Tronix. Update: 2. July 2. 01. 7Preface.

The topic of processor temperatures can be very confusing. The purpose of this Guide is to provide an understanding of standards, specifications, thermal relationships and test methods so temperatures can be uniformly tested and compared. This Guide supports Core X, Core i, Core 2, Pentium and Celeron Desktop processors running Windows Operating Systems.

Sections. 1 - Introduction. Ambient Temperature. CPU Temperature. 4 - Core Temperature.

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Package Temperature. Throttle Temperature. Specifications and Temperature. Overclocking and Voltage. The TIM Problem. 10 - Thermal Test Tools. Thermal Test Basics 1.

Thermal Test at 1. Workload. 13 - Thermal Test at Idle. Improving Temperatures. Summary. 16 - References.

Section 1 - Introduction. Intel Desktop processors have temperatures for each .

Core temperatures are measured at the heat sources near the transistor . CPU temperature is a single measurement centered on the external surface of the CPU's . The Thermal Specification for CPU temperature is .

However, Intel's Product Specifications website should be viewed as a quick reference, since it only shows the Thermal Specification for Tcase or Tjunction (Tj Max). The Thermal Specification for 7th Generation processors is Tjunction (Tj Max), but for 6th Generation and all earlier processors it’s Tcase. Here's where processor temperatures get confusing: Since there are numerous software utilities for monitoring Core temperature, when users look up their processor's Thermal Specification on Intel's Product Specifications website, many don't realize what Tcase actually means, and assume it must be Core temperature.

Tcase is not Core temperature. Intel has no documentation which describes the relationship between specifications and temperature that makes sense to the average user, so explanations are given in Section 7.

In order to get a clear perspective of processor temperatures, it's important to become familiar with the terminology and specifications. Use CPU- Z to identify your processor. For easier navigation, after selecting your product, click on Filter: Desktop, then click on . Standard Ambient temperature is 2. Ambient temperature is a reference value for Intel’s Thermal Specifications. Knowing your Ambient temperature is important because all computer temperatures increase and decrease with Ambient temperature.

Use a trusted analog, digital or infrared (IR) thermometer to measure Ambient temperature. Here's the temperature conversions and a short scale: http: //imgur. TX6. Bvm. jpg. When you power up your rig from a cold start, all components are at Ambient, so temperatures can only go up. With conventional air or liquid cooling, no temperatures can be less than or equal to Ambient. As Ambient temperature increases, thermal headroom and overclocking potential decreases. Section 3 - CPU Temperature.

Also called . Tcase isn't tested on retail processors, but for lab testing only, engineering samples are used. A groove is cut into the surface of the IHS where a . The processor is installed, the stock cooler is seated, the thermocouple is connected to measurement devices and the temperature is then tested under carefully controlled conditions. Tkv. D. jpg. For retail processors, one of two different methods are used to display “CPU” temperature in BIOS and in monitoring utilities. Previous Method: Processors for Core 2 Socket 7. Core i Socket 1. 36.

Analog Thermal Diode centered under the Cores to substitute for a laboratory thermocouple. The Analog value is converted to Digital (A to D) by the motherboard's Super I/O (Input / Output) chip, then is calibrated to look- up tables coded into BIOS. For these processors, the monitoring utility provided by your motherboard manufacturer on the Driver DVD displays “CPU” temperature in Windows. Accuracy can vary greatly with BIOS updates, so . This is the temperature shown in BIOS, and on some recent motherboards is displayed on the two digit . For these processors, the monitoring utility provided by your motherboard manufacturer on the Driver DVD displays “CPU” temperature in Windows, but is actually the . At 1. 00% workload or Thermal Design Power (TDP), the gradient on Core 2 and Core i processors through 2nd Generation is about 5. Comodo Time Machine Win All Los Angeles.

For details see Section 9 - The TIM Problem. Core temperature is the standard for thermal measurement. Intel's specification for DTS accuracy is +/- 5.

Although sensors are factory calibrated, deviations between the highest and lowest Cores can be up to 1. Sensors are more accurate at high temperatures to protect against thermal damage, but due to calibration issues such as linearity, slope and range, idle temperatures may not be very accurate.

Core temperatures respond instantly to changes in load. Intel’s specification for DTS response time is 2.

Since Windows has dozens of Processes and Services running in the background, it’s normal to see rapid and random Core temperature “spikes” or fluctuations, especially during the first few minutes after startup, which should eventually settle. Any software activity will show some percentage of CPU Utilization in Task Manager, where unnecessary Tray items, Startups, Processes and Services that contribute to excessive or continued spiking can be disabled.

For details see Section 1. Note 1. Here's the operating range for Core temperature: Core temperatures above 8. Core temperatures vary greatly between games as CPU workloads differ. Idle temperatures below 2. Throttle temperatures are shown below for several popular Quad Core processors, including Thermal Design Power (TDP) and idle Power, which are expressed in Watts (W). Core. 7th Generation 1. K / i. 5 7. 60. 0K (TDP 9. Pokemon Fire Red Download English Pcsx2.

W / Idle 2. W),6th Generation 1. K / i. 5 6. 60. 0K (TDP 9. W / Idle 2. W): Tj Max (Throttle temperature) = 1.

This Section puts the specifications into a practical perspective and explains Thermal Design Power (TDP), and why Tcase and Tj Max are inconsistent with maximum recommended Core temperature. TDP specifications are expressed in Watts, which is Power that's dissipated as heat. Processors with more than 2 Cores have higher TDP which requires better cooling. The key word in the term “Thermal Design Power” is Design. Factors include Microarchitecture, Core count, Cache, Core speed, Turbo Boost, Core voltage, Hyperthreading and Instruction Sets. Designs, while Pentiums and Celerons follow i.

Designs. Processors with Hyperthreading run hotter at the same TDP than those without, and processors with AVX Instruction Sets run hotter when executing AVX code than those without. This means at 1. 00% workload, i. TDP, while i. 5’s, Pentiums and Celerons typically won’t. However, many overclocked processors will exceed TDP. Tcase specifications are not Core temperature. Although Tcase is measured on the Integrated Heat Spreader (IHS), it's also calculated based on stock cooler TDP and processor TDP.

Cooler models with different TDP values are packaged with different TDP processors. Several Generations of Quad Core CPU's at 7. Watts were packaged with a universal 9.

Watt cooler (E9. 73. Generation i. 5 and mainstream i. Tcase is based on different combinations of stock coolers and CPU's. This is primarily why specifications vary. The examples above suggest the 6. K is less thermally capable than the 2. K, which is misleading, because the 6.

K has a higher Throttle temperature, as shown above in Section 6. Further, the 6. 70. K and 7. 70. 0K share the same Tcase 6. While the Datasheets show both specifications, Intel's Product Specifications website is limited to only Tcase for 6th Generation and earlier processors, or only Tjunction (Tj Max) for 7th Generation. For Core X series (formerly called High End) 6x and 7x processors, the website shows no Thermal Specification whatsoever, but the Datasheets again show both.

Mobile (laptop) processors don’t have an Integrated Heat Spreader, so they don’t have Tcase specifications; only Tj Max.