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Prime temps =/ IBT temps?!

post #1 of 10
Thread Starter 
hey,
I was recently just checking for stability. OCCT and IBT take my CPU temps to 75-78 but prime hardly takes it to 60C ! (this includes Blend,FFT)

I Have'nt used prime earlier so i think i may be making a mistake...
Any ideas?

At 3.93ghz -
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MCH 1.2
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post #2 of 10
Nah, it's normal. Linpack (IBT, LinX, OCCT Linpack, etc.) makes the CPU do different types of calculations that generates more heat than the calculations that the Prime tests perform.

I mean, I've always found Linpack to be 10-20°C warmer than even the Small FFTs test.
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post #3 of 10
It's way more stressful.

Take note you should read Prime95's temperatures..Nothing will stress your CPU like LinX / IBT, even folding and rendering.
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post #4 of 10
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Nah, it's normal. Linpack (IBT, LinX, OCCT Linpack, etc.) makes the CPU do different types of calculations that generates more heat than the calculations that the Prime tests perform.

I mean, I've always found Linpack to be 10-20°C warmer than even the Small FFTs test.
Correct, My IBT and OCCT temps are always 18C more than prime. Thanks for the info though.

But i've heard a lot of people saying that they're prime temps are much higher?!
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post #5 of 10
Quote:
Originally Posted by chip94 View Post
Correct, My IBT and OCCT temps are always 18C more than prime. Thanks for the info though.

But i've heard a lot of people saying that they're prime temps are much higher?!
Ha, I'd love to see it! I've never had any of the 3 default tests in Prime95 give me temps that even come close to the temps I get with any linpack test.
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Ha, I'd love to see it! I've never had any of the 3 default tests in Prime95 give me temps that even come close to the temps I get with any linpack test.
Thats pretty reassuring. Thanks.

rep+
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:D
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post #7 of 10
Quote:
Originally Posted by chip94 View Post
Thats pretty reassuring. Thanks.

rep+
You're welcome.
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #8 of 10
Idk why, but my temps are the same with either Prime or IBT. Am i weird?
post #9 of 10
With X58 system Prime95 temps are very close to Linpack temps, Linpack is maybe 1-2 C warmer. With 775 systems Linpack tests run about 10 - 15 warmer than Prime95.
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post #10 of 10
Quote:
Originally Posted by kpopsaranghae View Post
Am i weird?
Yes.


(hey, mm67 answered the question already)
It's a computer!
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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