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What is max temps and underload mean???

post #1 of 6
Thread Starter 
I have two overclocking questions for everyone.

1) What constitues underload? The reason I ask is if you run Everest CPU stress test for long periods of times it rasies your temps to the insane level. Of course it stresses out your CPU 100% the entire time. So is this considered underload or would just gaming that would maybe use 50% of your CPU count as this?????

2) When you read the description for a chip and it says the CPU max temps what EXACTLY does this refer to? There are many diffrent tempature readings from programs like Everest. My CPU temps hover around 50c and my Core #1 is at 65c, Core #2 is at 63c, ect which do I go by and whats the max high for both of them for a QX6800
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post #2 of 6
I see where you're going with that first question. For all practical purposes, there could be varying degrees of "load." But when people refer to a system being under load, they are talking about using 100% of the processing power.

Not too sure about max temp on the quad but, from what I know, they do run hotter than dual cores. 65C under load is probably ok.
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post #3 of 6
Thread Starter 
Well I guess when someone says there temps are ### underload how long under load is that? The heat will continue to rise.

ALso, what is the diffrence between CPU temps and individual core temps? My core Temps are always about 15c higher than my CPU temp. When you say the max temp for my CPU is 65c which does that refer to? My cor temps will be about 80c ish if thats just my CPU temps.

thanks
My System
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CPUMotherboardGraphicsRAM
QX6800 EVGA 68 SLI A1 2 EVGA 8800 Ultras in SLI 4 X 1GB Corsair 8500 Dominator 
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2 X 150 GB Raptors Windows Vista X32 Hanns G 22" widescreen Logitech G15 
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Rosewill 850 PSU Thermaltake Armor 
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QX6800 EVGA 68 SLI A1 2 EVGA 8800 Ultras in SLI 4 X 1GB Corsair 8500 Dominator 
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post #4 of 6
Quote:
Originally Posted by johnwbrock View Post
Well I guess when someone says there temps are ### underload how long under load is that? The heat will continue to rise.

ALso, what is the diffrence between CPU temps and individual core temps? My core Temps are always about 15c higher than my CPU temp. When you say the max temp for my CPU is 65c which does that refer to? My cor temps will be about 80c ish if thats just my CPU temps.

thanks
No, it shouldn't. My cpu, for example, takes about two seconds to hit it's load temp (56C) when I stress it, and it stays at 56C for hours under load.

"Core" temps are the temps being measured on each individual chip; cpu temp is one reading from a diode outside of the cores. Core temps are what you want to pay attention to. When I mentioned the 65C, it was in reference to you indicating one of your cores was 65C. As a core temp, you should be fine. If your cpu temp is 65C, your cores would be around 80C...and that's too hot.
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post #5 of 6
Thread Starter 
So, just to be 100% of what your saying. When you run your CPU under load which is at 100% utlization of all 4 cores with a program like Everest your temps hit around 50ish degrees celisus and never creep up? Hmm my Coolit Freezone will slowly creep up over time not sure how high I really only throttle my CPU for periods of about 10 minutes or so to get a reading.
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QX6800 EVGA 68 SLI A1 2 EVGA 8800 Ultras in SLI 4 X 1GB Corsair 8500 Dominator 
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2 X 150 GB Raptors Windows Vista X32 Hanns G 22" widescreen Logitech G15 
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Rosewill 850 PSU Thermaltake Armor 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
QX6800 EVGA 68 SLI A1 2 EVGA 8800 Ultras in SLI 4 X 1GB Corsair 8500 Dominator 
Hard DriveOSMonitorKeyboard
2 X 150 GB Raptors Windows Vista X32 Hanns G 22" widescreen Logitech G15 
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post #6 of 6
Quote:
Originally Posted by jstupiansky View Post
No, it shouldn't. My cpu, for example, takes about two seconds to hit it's load temp (56C) when I stress it, and it stays at 56C for hours under load.
This is not true for all systems though. Cases with poor airflow will continue to rise in temperature to a point. The same is true with with watercooled systems (but onlt by 1-2C).
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