مبدئيا شكرا يا غالي علي ردك
الموقع اللي بتكلم عنه هو tomshardware.
لما بحثت عن درجة الحرارة الامنة للبروسيسور لقيت ان ناس كتير كاتبة بوستات بتسال عن درجات الحرارة.
وفي كل البوستات تقريبا الردود بتكون انه 80 وحتي 85 منطقي بالنسبة للمشتت الستوك وقت الضغط.
في اللينك اللي حضرتك جبته مكتوب ان Tcase اقصاه 72.
اللي فهمته من اراءهم ان tcase دي مختلفة تماما عن ال Core temperature
وان فيه حاجة تانية اسمها Tj max ودي الشركة محدداها ب 100 درجة (ودي مكتوبة فعلا في برنامج Core temp اللي انا بستخدمه دايما عشان اتابع درجة حرارة البروسيسور )
هم بيقولوا ان tj max دي هي الدرجة القصوي اللي البروسيسور يقدر يتحملها واول ما يوصلها بيبدا ينزل في التردد عشان درجة الحرارة تقل والبروسيسور مايتحرقش
وان 80 درجة حرارة عالية بس مش خطرة .. وان القلق يبدا من 85
انا مش بجادل انا بس عايز اعرف معلومة سليمة .. هل كلامهم فعلا صح ولا ده مش سليم؟
ده احد تعليقات الاعضاء هناك
Here's Intel's definition:
"TCASE
Case Temperature is the maximum temperature allowed at the processor Integrated Heat Spreader (IHS)."
That would seem to be a pretty straight forward specification, except that unfortunately, it's not quite as simple as Intel would like everyone to think.
Tcase is a
factory only temperature measured on the external surface of the processors "Case" or Integrated Heat Spreader (IHS) where the cooler is seated. Tcase is only tested on "Engineering Samples" in Intel's labs. There is no actual Tcase thermal sensor on retail processors, so the end user such as you and I have no way to measure Tcase.
Like everyone else, when users look up their processor's Thermal Specification on Intel's Product Specifications website, they don't realize what Tcase actually means. Since there are numerous utilities for measuring Core temperature, everyone assumes that Tcase must be Core temperature.
Tcase is not Core temperature.
Core temperature is instead measured by individual Digital Thermal Sensors (DTS) located at the heat sources near the transistor "Junctions" inside each of the Cores. Since Tcase is a factory only external temperature measurement which is not in close proximity to the heat sources, Core temperatures are significantly higher than the temperature on the Integrated Heat Spreader (IHS), which is Tcase.
Desktop processors have two Thermal Specifications; Tcase, which is used for designing CPU coolers, and "Tjunction" which is also called Tj Max (Temperature Junction Maximum) or "Throttle" temperature. Throttle temperature (Tj Max) is where the processor will reduce Core speed and voltage to safeguard against thermal damage, so Tj Max is the limiting Thermal Specification; not Tcase.
The Tcase specification is misleading because users assume that's as hot as their Core temperatures are allowed to get, when once again, Tcase is not Core temperature. Since Tj Max is shown in the Datasheets but not on the website for 6th Generation and earlier processors, Intel does not tell you that the limiting Thermal Specification is not Tcase; it's Tj Max, which for your i5 4460 is 100°C.
See page 76, Table 27, 2nd row, 4th column; TCC Activation Temperature:
Desktop 4th Gen Intel® Core™ Processors Datasheet, Vol. 1 -
https://www.intel.com/content/www/us...datasheet.html
For your 4th Generation Haswell processor, Core temperature is typically a minimum of about 10°C higher than Tcase, which would correspond to about 82°C. Since you're running at 70 to 75°C, you still have some headroom. However, if it's winter where you live, then come summer, your thermal headroom will decrease as Ambient (room) temperatures increase.
Here's the operating range for Core temperature:
Core temperatures above 85°C aren't recommended.
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