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CPU temps are too high
- Thread starter Neowb
- Start date
Solution
- Nov 13, 2006
- 6,374
- 279
- 38,240
Neowb,
Do NOT run any versions of Prime95 later than 26.6. Here's why:
Core i 2nd through 6th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95, such as 28.9, run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces unrealistically high temperatures. The FPU test in the utility AIDA64 shows similar results.
Prime95 v26.6 produces temperatures on 3rd through 6th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a significantly larger Die.
Please download Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html
Run only Small FFT’s for 10 minutes.
Use Core Temp to measure your temperatures - http://www.alcpu.com/CoreTemp
Your Core temperatures will test 10 to 20C lower with v26.6 than with v28.9.
Also, you mighyt want to read this Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html
CT
Do NOT run any versions of Prime95 later than 26.6. Here's why:
Core i 2nd through 6th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95, such as 28.9, run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces unrealistically high temperatures. The FPU test in the utility AIDA64 shows similar results.
Prime95 v26.6 produces temperatures on 3rd through 6th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a significantly larger Die.
Please download Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html
Run only Small FFT’s for 10 minutes.
Use Core Temp to measure your temperatures - http://www.alcpu.com/CoreTemp
Your Core temperatures will test 10 to 20C lower with v26.6 than with v28.9.
Also, you mighyt want to read this Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html
CT
CompuTronix :
Neowb,
Do NOT run any versions of Prime95 later than 26.6. Here's why:
Core i 2nd through 6th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95, such as 28.9, run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces unrealistically high temperatures. The FPU test in the utility AIDA64 shows similar results.
Prime95 v26.6 produces temperatures on 3rd through 6th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a significantly larger Die.
Please download Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html
Run only Small FFT’s for 10 minutes.
Use Core Temp to measure your temperatures - http://www.alcpu.com/CoreTemp
Your Core temperatures will test 10 to 20C lower with v26.6 than with v28.9.
Also, you mighyt want to read this Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html
CT
Do NOT run any versions of Prime95 later than 26.6. Here's why:
Core i 2nd through 6th Generation CPU's have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95, such as 28.9, run AVX code on the Floating Point Unit (FPU) math coprocessor, which produces unrealistically high temperatures. The FPU test in the utility AIDA64 shows similar results.
Prime95 v26.6 produces temperatures on 3rd through 6th Generation processors more consistent with 2nd Generation, which also have AVX instructions, but do not suffer from thermal extremes due to having a soldered Integrated Heat Spreader and a significantly larger Die.
Please download Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html
Run only Small FFT’s for 10 minutes.
Use Core Temp to measure your temperatures - http://www.alcpu.com/CoreTemp
Your Core temperatures will test 10 to 20C lower with v26.6 than with v28.9.
Also, you mighyt want to read this Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html
CT
Alright i feel marginally better now haha thanks! So with the proper use of prime95 i avg about 78 degrees on 4.4 ghz at 1.23 V. Now taking into consideration that this is a 360 mm rad cooling only a single cpu and no gpu at the moment are these temps acceptable? This was a pricey AIO and from my limited thermal knowledge i was hoping for better temps. Not sure if i should keep looking into why the temps might be so high or just return/exchange.
Thanks for all the help
- Nov 13, 2006
- 6,374
- 279
- 38,240
What is your ambient temperature?
Here's the temperature conversions and a short scale:
Cx9/5+32=F ... or ... F-32/9x5=C ... or a change of 1C = a change of 1.8F
30.0C = 86.0F Hot
29.0C = 84.2F
28.0C = 82.4F
27.0C = 80.6F
26.0C = 78.8F Warm
25.0C = 77.0F
24.0C = 75.2F
23.0C = 73.4F
22.0C = 71.6F Norm ... or ... 22.2C = 72.0F
21.0C = 69.8F
20.0C = 68.0F
19.0C = 66.2F
18.0C = 64.4F Cool
Here's the temperature conversions and a short scale:
Cx9/5+32=F ... or ... F-32/9x5=C ... or a change of 1C = a change of 1.8F
30.0C = 86.0F Hot
29.0C = 84.2F
28.0C = 82.4F
27.0C = 80.6F
26.0C = 78.8F Warm
25.0C = 77.0F
24.0C = 75.2F
23.0C = 73.4F
22.0C = 71.6F Norm ... or ... 22.2C = 72.0F
21.0C = 69.8F
20.0C = 68.0F
19.0C = 66.2F
18.0C = 64.4F Cool
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