Tom's Hardware > Forum > Overclocking > CPUs > Prime95 torture test cpu temps in the 90's C. Why?

Prime95 torture test cpu temps in the 90's C. Why?

Forum Overclocking : CPUs - Prime95 torture test cpu temps in the 90's C. Why?

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I am going to give you info on items in my build that I think would be relavant. I ran Prime95 torture test and was getting temps in the upper 80's to mid 90's C in less than 10 min. running. Temp monitoring with CPUID. Idle temps 37-41C. CPU is running stock...no attempt at OC yet. Also, Prime95 failed on some modules after 5-6 minutes and twice the computer shut down while running the test. I don't know how to check the errors that occured? I am guessing shut down was due to high temps?

Have patience with me. I am new to this and have limited understanding. I want to understand though and that is why I am seeking advice/explanation of what to check or do next.

i7 920

ZALMAN CNPS 9900

ASUS P6T Deluxe V2 LGA 1366 Intel X58 ATX Intel Motherboard

(2) CORSAIR XMS3 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) = 12GB

Antec Nine Hundred Black Steel ATX Mid Tower Computer Case

BFG - NVIDIA GeForce GTS 250 OC 1GB GDDR3 PCI Express Graphics Card

CORSAIR CMPSU-850TX 850W ATX12V 2.2 / EPS12V 2.91 SLI Ready CrossFire Ready Active PFC Power Supply

Any information or suggestions would me much appreciated!!

Many blessings,
Beth

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Did you assemble the system yourself? CPU overheating is usually caused by improperly seated heatsink. You could also double check to make sure the fan on the heatsink is working properly.

Another option would be taking the heatsink off and reapplying some thermal compound and reseating it.

Hope this helps!

Reply to dumbcanadian

you may want to get an aftermarket heatsink also, the i7 heatsink has a reputation for being very low quality and not cooling the cpu effectively even with stock frequencies and voltage

Reply to Wsupduck

I am using the Zalman 9900. Yes, I put the system together myself. I will double check the cpu cooler and see. Also, I have the same cooler in another build and it is working seemingly much better. Ran a stress test on it and it was in the 40's. It is not an i7 or same setup though. I have the cooler aimed up at the top fan in that one though and think I am going to switch this one as well. The Antec 900 has that big top fan and it seems that any cooler would be more effective aimed at that fan.

I will post back after I look at the cooler. The only thing I have changed in the bios is the memory settings. Changed it to XMP to get the suggested clock setting for the memory. Could that have anything to do with it?

Reply to distracted11

distracted11 wrote :

I am using the Zalman 9900. Yes, I put the system together myself. I will double check the cpu cooler and see. Also, I have the same cooler in another build and it is working seemingly much better. Ran a stress test on it and it was in the 40's. It is not an i7 or same setup though. I have the cooler aimed up at the top fan in that one though and think I am going to switch this one as well. The Antec 900 has that big top fan and it seems that any cooler would be more effective aimed at that fan.

I will post back after I look at the cooler. The only thing I have changed in the bios is the memory settings. Changed it to XMP to get the suggested clock setting for the memory. Could that have anything to do with it?




I believe coolers are generally more efficient when the exhaust is aimed at the back fans to "blow through" so to speak.

This is probably a dumb question but did you use thermal paste? And if so did you follow the application directions?

------------------------------ EP-45 UD3R/ E8400@3.6 wZerotherm Nirvana/4gb Corsair DDR2-800/EVGA 9800GTX+/Corsair 750TX/2xWD Black AALS 640gb RAID 0+1 Windows 7/2xWD Cavier 250gb RAID 0 Windows XP Pro/Seagate 160gb Backup/X-Fi Xtreme Gamer/Logitech Z-2300/SynchMaster 906BW/Antec 1200
Reply to anort3

Wsupduck wrote :

you may want to get an aftermarket heatsink also, the i7 heatsink has a reputation for being very low quality and not cooling the cpu effectively even with stock frequencies and voltage



TOTAL BS, please - dont post that crap here

------------------------------ Q6600@3510/1560 + TT BigTyphoon+Mod
8gb Kingston 800mhz
Gigabyte EP35-DS3P
XFX 8800GT/512
Reply to apache_lives

as for your high temps - remove and reseat your hsf, replace that thermal paste and try some different software to read the temps

------------------------------ Q6600@3510/1560 + TT BigTyphoon+Mod
8gb Kingston 800mhz
Gigabyte EP35-DS3P
XFX 8800GT/512
Reply to apache_lives

If it helps I have the same cooler with an I7 overclocked to 3.3Ghz and with turbo enabled it peaks at 3.9 under load on Prime 95 torture test.

Max temp is 57 degrees with a case temp of 30 degrees, room temp about 18.

Reply to moomooman
Tom's Hardware > Forum > Overclocking > CPUs > Prime95 torture test cpu temps in the 90's C. Why?
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