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Processor questions.. <REP>
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Processor questions.. <REP>Posted:

DiamondDoctor
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So i have an i5-4690k hitting almost exactly 4.4ghz, but i've notices it is using less than 1 watt, the highest i have seen at 0.8. Is this normal? Also, how hot is truly HOT when it comes to processors? 70? 80? (Celsius obv)

If i want to get more performance, what voltage should i set? I'm thinking about getting a new power supply, as mine is very low end. But it's a lot of work to take it out, unplug, etc.

Here is my processor at 100 percent load (the temps are from an IBT about 2min ago.)

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Is anything out of place here? For some reason i remember before i put my GPU in it using some 33.8 watts..

Help is appreciated, i'll rep anyone who helps!

-DD
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r00t
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The power reading in Core Temp is just wrong here. I wouldn't worry about it. As for your voltage, there's no way of knowing what you should set yours to since every chip is different and people have different goals with overclocking.
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DiamondDoctor
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r00t wrote The power reading in Core Temp is just wrong here. I wouldn't worry about it. As for your voltage, there's no way of knowing what you should set yours to since every chip is different and people have different goals with overclocking.


How do you know it is wrong? To find out the voltage, should i max out the load, see what it's using, and bump that a notch perhaps? Is there a forum or resource i could use to determine, or is it trial and error? How dangerous is it? What are the chances i'll kill my processor?
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r00t
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DiamondDoctor wrote How do you know it is wrong?

Because it is impossible for that CPU to be drawing one watt under load.

DiamondDoctor wrote To find out the voltage, should i max out the load, see what it's using, and bump that a notch perhaps? Is there a forum or resource i could use to determine, or is it trial and error?



This is for 1155 but everything is still true for 1150.

DiamondDoctor wrote How dangerous is it? What are the chances i'll kill my processor?

Not dangerous and there is realistically no chance. The board should not even be able to put enough voltage through the CPU to kill it and degradation is also not a realistic issue.
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DiamondDoctor
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Okay, so after watching that and doing some research i got 4.6ghz outta it, but when i tested i hit a temps on my cores of 89, 91, 92, and 87 respectively. I think i should leave it here, no? Is there any way to get better cooling? (I have a phanteks TC14PE and it's a monster, but perhaps a large house fan blowing OUT of the chassis from the side?

Root, thanks again. You are always willing to help here.

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r00t
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DiamondDoctor wrote Okay, so after watching that and doing some research i got 4.6ghz outta it, but when i tested i hit a temps on my cores of 89, 91, 92, and 87 respectively. I think i should leave it here, no? Is there any way to get better cooling? (I have a phanteks TC14PE and it's a monster, but perhaps a large house fan blowing OUT of the chassis from the side?

Root, thanks again. You are always willing to help here.

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That's very good for Haswell and it's where I draw the line with my 3570K, which actually has a higher TJ Max than Haswell (105 vs. 100 C). I also have the same cooler and I am at 4.8, but yours get's better performance per clock. 4.6 on Haswell should roughly equal 4.8 on Ivy.

You can get better cooling by maxing your fan speed, lowering ambient, taking the side panel off, etc.
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DiamondDoctor
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r00t wrote
DiamondDoctor wrote Okay, so after watching that and doing some research i got 4.6ghz outta it, but when i tested i hit a temps on my cores of 89, 91, 92, and 87 respectively. I think i should leave it here, no? Is there any way to get better cooling? (I have a phanteks TC14PE and it's a monster, but perhaps a large house fan blowing OUT of the chassis from the side?

Root, thanks again. You are always willing to help here.

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That's very good for Haswell and it's where I draw the line with my 3570K, which actually has a higher TJ Max than Haswell (105 vs. 100 C). I also have the same cooler and I am at 4.8, but yours get's better performance per clock. 4.6 on Haswell should roughly equal 4.8 on Ivy.

You can get better cooling by maxing your fan speed, lowering ambient, taking the side panel off, etc.


I would max my fans but i have them connected to the chassis not the board so i can't control the speeds besides the two knobs on the front. I would keep my right side panel off, but i have a 240 or 250mm fan on it, and its keeping it pretty cool, so idk if it's worth it. I'm sitting at a (very nice) 4645mhz with a 1.3Vid and 101BLCK.

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Why does ivy bridge have a higher Tjmax? and i'm curious, i'm getting LOWER temps when i'm running normally now with a HIGHER clock, is that the result of the new thermal stuff they did with the 5thgens?
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r00t
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101BLCK

Don't touch the base clock unless you know what else it affects. With 1155/1150 CPUs, it will usually only tolerate a change of a few MHz, anyway.

Why does ivy bridge have a higher Tjmax?

Ask Intel. It's a different architecture (although it's still 22 nm), so it just behaves differently. The desktop CPUs also run hotter, which is part of the reason people who overclock were not impressed by Haswell. The main improvements were mobile power consumption and a small performance per clock increase.

i'm getting LOWER temps when i'm running normally now with a HIGHER clock, is that the result of the new thermal stuff they did with the 5thgens?

Maybe. All you're doing is setting the max clock speed, so Speedstep will still lower the clocks and voltage when they don't need to be high.
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DiamondDoctor
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Alrighty then, now what do you mean by lowering ambient?
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r00t
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DiamondDoctor wrote Alrighty then, now what do you mean by lowering ambient?

If you lower the room temp by some degrees, the CPU temperature will be lowered by as many degrees. The delta (difference between the CPU and ambient) stays the same.
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