Intel i7 3770k Temps

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aka.Goliath

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I have just installed my Intel i7 3770k into an Asus P8Z77 Pro and I have notice the idle CPU temp is ~40degrees, This is apparently normal (?). The question is why does my temp go up to ~95 degrees under almost 100% load , I load it by rendering video in Premier, and even higher when OC'ed

Just a quicky, is the rule of thumb, not stock cooling if OC'ing?
 
Have you tried resitting the heatsink / paste ?
I reverted my 3770K back to stock because of some other problem I'm trying to get around and the temps are around 20-27 on idle and hasn't gone over 55 on 100% load with Prime95
Do you mean stock cooling - the fan that came with the CPU in the box ? if so I wouldn't advise OC'ing with that but I could be wrong
 
I have a i5- 3570K IB CPU and it does not idle at 40c but that 3770K has hyperthreading so that can account for it. That 95c under load is very high though. Do you have the stock dodgy cooler. If so get a better one, The CM Hyper 212 EVO is cheap and performs way better. I have an ANtec Kuhler 620 on mine and at full load it is around 50c

Ivy Bridge CPU's use normal cheap Thermal paste between the actual CPU and the IHS whereas the Sandy Bridge and older gens use Fluxless Solder.

Apparently it is making a massive difference to temps.

IMHO Intel saw that IB was a super fast chip and might hurt Haswell so they nerfed it by using paste. Why else would they do that. Similar to the whole Geforce 670 debate where they waited for AMD to release their 7 series and then put out their products. Some are saying that 670 with its smaller PCB should have been the 650 and the 680, the 670.

Thats my 2c worth :D
 
I won't recommend overclocking with the stock Intel cooler.

You are the 2nd person on myBB who's querying about high temperatures with the Ivy Bridge CPU.

Secondly, make sure that you've installed the heatsink correctly. The arrows on the heatsink point in the direction that you loosen the heatsink. So make sure that you've turned them the other way and that ALL of them are properly pushed down and that the heatsink is secured properly!

Lastly, like Reaper84 mentioned. There are issues with the Ivy Bridge CPU's in terms of heat. It is more than just cheap thermal paste between the CPU & IHS (Integrated Heat Spreader) - seeing that people already tried to replace it and it didn't improve their temperatures.
 
Have a look at this link

Looks like thermal paste is making a massive difference to the temps. Up to 23% :twisted:

Why Intel did this is beyond me. They knew these K chips are for overclockers but they still cheaped out.

Oh well. When I do OC I will give it a modest boost to 4.2Ghz or so
 
Thanks for that link Reaper84! That article was released after the previous thread was made on this very subject, and back then it looked like replacing the thermal paste didn't have any effect IIRC.

Opening up the CPU like that to replace the TIM would unfortunately void the warranty if I'm not mistaken, so I won't recommend that to the normal PC users...
 
100% correct Pada. It will void the warranty but to be honest I would never open it up anyway. At stock speeds the thing just flies. Its only when you start cranking up the voltages does Ivy get toasty.

Just can't get over how they did that to their customers. Probably hoped nobody would pop it open and see :D
 
Pada said:
Opening up the CPU like that to replace the TIM would unfortunately void the warranty if I'm not mistaken, so I won't recommend that to the normal PC users...
Click to expand...

It would be nice to stick a waterblock directly onto the die though ;)

You just need a waterblock designed for that though.
 
ponder said:
It would be nice to stick a waterblock directly onto the die though ;)

You just need a waterblock designed for that though.
Click to expand...

well i'm sure you could do it with most waterblocks that screw down.

But it's really disappointing that they went so cheap on an important aspect of the chip.


I could understand if it was normal chips, but the K chips should atleast have decent TIM!
 
Last edited:
nakedpeanut said:
well i'm sure you could do it with most waterblocks that screw down.

But it's really disappointing that they went so cheap on an important aspect of the chip.


I could understand if it was normal chips, but the K chips should atleast have decent TRIM!
Click to expand...

SSD's have TRIM. These have TIM :D

I totally agree. Why on the K series. I can understand the cheaper i3's or even cheaper i5's but the 3570K/3770K is just ridiculous

They should refund us some of the money or give us that Intel Overclocking warranty for free
 
ponder said:
It would be nice to stick a waterblock directly onto the die though ;)

You just need a waterblock designed for that though.
Click to expand...
That would be a very interesting project!

If I had way too much money I would've tried something like that, but I don't yet feel like wasting R6k for a CPU, motherboard & watercooler.

I'm now wondering if someone hasn't done that already...
 
So I've done a lot more research, first of all coretemp was way off, and secondly anything around 4.2ghz will take it to 95+ with a stock cooler. So time for an H100 purhapps. One last question, why does asus AI suit give a lower reading than real temp ( like 10 degrees less )?
 
Pada said:
That would be a very interesting project!

If I had way too much money I would've tried something like that, but I don't yet feel like wasting R6k for a CPU, motherboard & watercooler.

I'm now wondering if someone hasn't done that already...
Click to expand...

I googled this yesterday. There was someone that popped off the IHS and applied a H100 (i think) direct to the die. He did not see an improvement, although he might have used too much TIM. Also, the surface of the H100 is not very good, and you are lowering the contact area by going direct to the die, so I think he might have seen a big difference with a proper block, or even if he just lapped the H100.

I also came across a video of an unsuccessful IHS removal, but haven't watched it yet.
 
Reaper84 said:
SSD's have TRIM. These have TIM :D

I totally agree. Why on the K series. I can understand the cheaper i3's or even cheaper i5's but the 3570K/3770K is just ridiculous

They should refund us some of the money or give us that Intel Overclocking warranty for free
Click to expand...

Hahahaha true true, :p
 
aka.Goliath said:
So I've done a lot more research, first of all coretemp was way off, and secondly anything around 4.2ghz will take it to 95+ with a stock cooler. So time for an H100 purhapps. One last question, why does asus AI suit give a lower reading than real temp ( like 10 degrees less )?
Click to expand...

My AI seems to give the same readings as all the other monitors I've tried. I'm running a 3570k at 4.8GHz with a corsair h40 and the highest temp I've had was 40... The stock coolers are rubbish
 
I don't really believe that 40'C could be your highest temperature when running the CPU at 4.8GHz, especially not since the whole mess Intel made with their TIM on the Ivy Bridge CPU's.
... unless you're referring to your highest idle temperature being 40'C.
 
Im with Pada on this one. There is no way you can hit 4.8Ghz with a load temp of 40 using a cheap corsair H40 :wtf:

My Highest temp is around 55'c at stock using a kuhler 620(supposedly better than the h40)

Pics or it didnt happen :D
 
40c while running prime95? I mean if you only ever look at the temps while your CPU is idle, your statement could be entirely correct. Just because you never saw it over 40 does not necessarily mean it has never been over 80...
 
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