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Overclocking Intel E7600 - where to stop?

post #1 of 14
Thread Starter 
Hi,

I am overclocking my Intel E7600 processor. Tested by a variety of applications (Orthos, Prime etc.) it looks safe even at very high frequencies. The question is the maximum acceptable temperature. Where to stop? Details (adding that it is in a relatively small computer case in a room where ambient temp. is 25-26°C):
stock speed (3.06 GHz) - idle 40°C, maximum load after 1 hour 65°C
nicely overclocked to 3.45 GHz - idle 44°C, maximum load after 1 hour 74°C
brutally overclocked to 3.83 GHz - idle 49°C, maximum load after 1 hour 83 °C
I know the Intel spec. max. temperature is 74.1 °C. But games do not use the processor at 100% continuously and I don't expect the CPU to last for 10 years - if it does 3 years, that is okay. So regarding this, what do you think, what would be the maximum temp? How far should I go? (Interesting to know that computer/Windows started even at 4025 MHz (that is 350MHz x 11.5 instead of the stock 266Mhz x 11.5!) but I dare not test it at that high frequency.

Thanks
    
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post #2 of 14
Stop at 3.8GHz.
    
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post #3 of 14
Thread Starter 
Quote:
Originally Posted by MR KROGOTH;12630874 
Stop at 3.8GHz.

Thanks
    
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post #4 of 14
If you wanna make sure you have good chances for your system to last the longest, you should not use to much v-core. Lesser v-core gives nicer temps and do not load your motherboards PWM's as much.

Also, when finding your sweetspot, test it and be done with the stability testing. IBT/Prime95 and such are the ones that will put the largest load on your system. Regular use, like gaming will be much nicer to your system.
    
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by turrican9;12630898 
If you wanna make sure you have good chances for your system to last the longest, you should not use to much v-core. Lesser v-core gives nicer temps and do not load your motherboards PWM's as much.

Also, when finding your sweetspot, test it and be done with the stability testing. IBT/Prime95 and such are the ones that will put the largest load on your system. Regular use, like gaming will be much nicer to your system.

Yes, I gradually decrease the voltage to see how low I can go without compromising system stability. It just takes sooo long... Decrease the voltage 1 step and then test it for an hour... Decrease again, test 1 hour again...
    
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post #6 of 14
Thread Starter 
Quote:
Originally Posted by aambrozai;12630870 
Hi,

I am overclocking my Intel E7600 processor. Tested by a variety of applications (Orthos, Prime etc.) it looks safe even at very high frequencies. The question is the maximum acceptable temperature. Where to stop? Details (adding that it is in a relatively small computer case in a room where ambient temp. is 25-26°C):
stock speed (3.06 GHz) - idle 40°C, maximum load after 1 hour 65°C
nicely overclocked to 3.45 GHz - idle 44°C, maximum load after 1 hour 74°C
brutally overclocked to 3.83 GHz - idle 49°C, maximum load after 1 hour 83 °C
I know the Intel spec. max. temperature is 74.1 °C. But games do not use the processor at 100% continuously and I don't expect the CPU to last for 10 years - if it does 3 years, that is okay. So regarding this, what do you think, what would be the maximum temp? How far should I go? (Interesting to know that computer/Windows started even at 4025 MHz (that is 350MHz x 11.5 instead of the stock 266Mhz x 11.5!) but I dare not test it at that high frequency.

Thanks

In the meantime I further reduced processor overvoltage (it is still stable). Now at 3.45 GHz it is still around 44°C at idle but at 100% load it is now down to 71°C (from previous 74°C).
    
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post #7 of 14
The best way to determine how long your cpu will last is to see the maximum voltage supported by your motherboard (safely, that is,... my friend's evga motherboard can overclock his e7500 with over 1.5 volts, but that is not safe). He got his e7500 from 2.93 to 3.9 ghz stable on air with 1.3 volts. It is possible, just be careful around maxing voltages. To get a higher cpu frequency, decrease memory speed and increase front speed bus.
-Hope this helps
post #8 of 14
Thread Starter 
Quote:
Originally Posted by discusfish99;12631236 
The best way to determine how long your cpu will last is to see the maximum voltage supported by your motherboard (safely, that is,... my friend's evga motherboard can overclock his e7500 with over 1.5 volts, but that is not safe). He got his e7500 from 2.93 to 3.9 ghz stable on air with 1.3 volts. It is possible, just be careful around maxing voltages. To get a higher cpu frequency, decrease memory speed and increase front speed bus.
-Hope this helps

Thanks. I am now down to 1.3000V - nice. Memory (DD2 - mobo won't support DD3) is now running at 900Mhz (300*3).

I am tuning my system for Call of Duty Black Ops. I am not sure why that game is so processor-performance-hungry. For the overwhelming majority of the 3D games the most important is the video card. For Black Ops it seems it is the CPU. Weird...
    
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post #9 of 14
Ahh, black ops, haven't played that in a while. Does it still lag at the worst times? Also, that is exactly how my friend got his e7500 up so high, he decreased the memory speed. Underclocked it all the way down to 700mhz and shot for the 1 ghz overclock club. Not sure he got it though, not yet at least.
post #10 of 14
Thread Starter 
Quote:
Originally Posted by discusfish99;12631346 
Ahh, black ops, haven't played that in a while. Does it still lag at the worst times? Also, that is exactly how my friend got his e7500 up so high, he decreased the memory speed. Underclocked it all the way down to 700mhz and shot for the 1 ghz overclock club. Not sure he got it though, not yet at least.

No, I haven't played it yet. I upgraded my system (Intel E2140 to Intel E7600 and 2GB DDR2-800 to 4GB DDR2-1066) only this weekend. The game is ordered from eBay and hope to get it by Tuesday. But I read many forums about its system requriements and I am still not sure wheter or not I will be able to run it at 1600x900 (my monitor's native resolution) with my config (overclocked E7600, 4GB DDR2, overclocked Radeon 4870 1GB, Windows XP). Very strange, as for example Crysis 2 worked very nicely even with my E2140 (okay, that was overclocked from 1.6GHz to 2.6GHz too :-))...
    
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