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Question about high CPU Temps


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#1 SuperShadow

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Posted 17 March 2011 - 04:12 AM

I'm currently running a custom build (about a year old) and it seems the CPU temps are higher than in the past. The build is as follows:

Antec 300 case
1 140mm top case fan (run on low speed)
1 120mm back case fan (run on low speed)
AMD Phenom II 965 BE 3.4ghz (no OC, stock cooler)
12 GB RAM (using all RAM slots)
Gigabyte MA790GPT-UD3H
Corsair CMPSU-650TX 650W PSU
SAPPHIRE 100283L Radeon HD 5770
Samsung F3 1TB HD
WD 320GB HD
Windows 7 64-bit

I bench tested it a year ago before the video card addition (so integrated graphics) and got

NO VIDEO CARD

Idle: 31 C
Load (Prime 95 for over 1 hour): 67 C

I just recently decided to test for temperatures again and used Prime95 with CoreTemp to monitor, and the temperatures were getting fairly high.

(WITH HD 5770)

Idle: 37-38 C
Load (Prime 95 after 2 minutes): 77 C

Video card Idle: 58 C

I actually stopped the Prime 95 test about a few minutes since the CPU temperature kept going up and I didn't want to hit the CPU Tj Max (78 C according to CoreTemp).

Should I be looking to add more case fans to the front and side? Should I probably consider a new after-market CPU cooler like (this)?

I'm concerned about the stability of my machine once I get to putting under more stress playing games and such. I'm looking to keep my computer as quiet as possible (one reason I run the fans at low speed), but still maintain good cooling so stability isn't a problem.

Thanks for any suggestions.

Edited by SuperShadow, 17 March 2011 - 04:19 AM.


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#2 killerx525

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Posted 17 March 2011 - 04:32 AM

Prime95 just stress the cpu cores to the max which increase the temperature really fast. When playing games what is the temperature?

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#3 SuperShadow

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Posted 18 March 2011 - 05:49 AM

Prime95 just stress the cpu cores to the max which increase the temperature really fast. When playing games what is the temperature?


I haven't been able to game yet, but I will track temps next time I do and post back.

#4 killerx525

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Posted 18 March 2011 - 05:57 AM

Cool with me :)

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#5 SuperShadow

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Posted 20 March 2011 - 06:31 PM

Just got done with a NBA 2k11 gaming session (1440x900 with high on all settings, no AA, Vsync on).

CPU Temperatures according to Core Temp were in the 66 C to 69 C range.

I've turned on my case fans so they are medium before gaming.

#6 killerx525

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Posted 21 March 2011 - 12:23 AM

According to the AMD website for your processor, the max temperature is 62C. You should try cleaning out the cpu cooler and then reapplying thermal paste.

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#7 SuperShadow

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Posted 28 March 2011 - 02:09 AM

According to the AMD website for your processor, the max temperature is 62C. You should try cleaning out the cpu cooler and then reapplying thermal paste.


I will certainly consider doing that as soon as possible. As of now I've lowered the voltage to the CPU from 1.35 v to 1.325v and that has dropped temperatures below the max 62C. It has been running stable as well.

#8 killerx525

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Posted 28 March 2011 - 02:27 AM

If you don't have thermal paste you can buy this.

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png





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