Intel i7 4770k stock temps

[rvxtm]

Hi,

This is my first post here, i registered on the forum because i found experienced people in using haswell and oc'ing it to hell and back.

I got a new setup on friday, an 4770k with Gigabyte z87-UD3H

First thing i did was to update the bios to the latest version.

I used the stock intel cooler (i plan o getting a coolermaster evo cooler)

By default my MB gave a 1.23 vcore for the stock 3.5 ghz, a vcore that gave me 35c idle and up to 100c under IntelBurnTest . All with my default bios settings.

I then proceeded to lover the vcore to manual 1.030 (gave me a blue screen) then 1.050

On this new vcore i get 26-30c idle and 85c on IBT, with in gaming of 68c average.

My question is, is this normal for the mobo to give such e huge vcore for stock frequency?

I get 107Gflops in IBT with default settings.

Thanks in advance !

 

[Bubbleawsome]

Yes. The stock cooler is engineered for quiet so it allows the cores to get really warm. You can use speed fan to force 100% fan until you get an aftermarket one. (ASAP) I like the NZXT respire t40.

 

[BSim500]

My question is, is this normal for the mobo to give such e huge vcore for stock frequency?

Haswell's have an unhelpful "feature" which arbitrarily adds +0.1v when running programs with AVX instructions when using auto / offset / adaptive. That's why there's such a large difference between IBT and gaming. If you use manual / fixed voltage, it often doesn't do that.

 

[rvxtm]

I understand, but in bios, if i set everything to default, i get a default vcore of 1.23v. I've seen people get a vcore of around 1.0xx default.

 

[BSim500]

I understand, but in bios, if i set everything to default, i get a default vcore of 1.23v. I've seen people get a vcore of around 1.0xx default.

It's possible that you simply have a lesser well binned CPU. Not all CPU's are alike. A friend of mine had an i5-3570K that needed 1.25v just to hit 4GHz. Ironically, I have an i5-3570 (non K) that can hit 4GHz on 1.04v and it still works stable at something like 0.896v load (all cores Prime) at default 3.4GHz. It's called the "silicone lottery".

 

[OCGuy]

I understand, but in bios, if i set everything to default, i get a default vcore of 1.23v. I've seen people get a vcore of around 1.0xx default.

1.23 would be an extremely high VID for stock settings. I would think Intel would bin that chip as a lower SKU.

Is there a BIOS update you can try? Do you have an AUTO-OC feature? What does setting it to 3.9ghz (Max stock boost) without Speedstep do to your Vcore?

Either way you would have lowered it way too much when you were experimenting. Although I highly doubt that it would need 1.23v if it isn't instantly blue screening @ 1.05.

 

[rvxtm]

@OCGuy

I tried with 1.010 (bluescreen after windows logon) with 1.030 it works perfectly but it gave me one blue screen when installing hyper-v component, even after 3 days of use with photoshop and audition. so i set it to 1.050 now.

I have the latest bios version, if i reset the bios to optimized defaults, i get that 1.23 vcore.
I bet on 1.23 i could hit 4.1ghz (but i won't play around with the multiplier until i get a good 3rd party cooler).
I'm at work now but i'll try to post some pictures of my default bios voltage settings when i get home .

EDIT1: i saw under 1v for some people , so i tried a 0.98 vcore, but it instantly froze in the bios when i clicked apply.

 

[OCGuy]

@OCGuy

I tried with 1.010 (bluescreen after windows logon) with 1.030 it works perfectly but it gave me one blue screen when installing hyper-v component, even after 3 days of use with photoshop and audition. so i set it to 1.050 now.

I have the latest bios version, if i reset the bios to optimized defaults, i get that 1.23 vcore.
I bet on 1.23 i could hit 4.1ghz (but i won't play around with the multiplier until i get a good 3rd party cooler).
I'm at work now but i'll try to post some pictures of my default bios voltage settings when i get home .

EDIT1: i saw under 1v for some people , so i tried a 0.98 vcore, but it instantly froze in the bios when i clicked apply.

Don't get too caught up in what some people say their VID is, although under 1v is out in the wild. If you aren't overclocking, it shouldn't really matter except in a case like yours where it is high enough to bring 100c temps.

I would be interested in what Coretemp shows your VID with default BIOS settings @ idle as well. You really want to monitor voltages and clocks due to the multiple voltage options that Haswell supports, to make sure the number you are seeing reported represents actual vcore input.

Once you start overclocking, the main "Auto" settings aren't a factor if you use constant voltages and disable the EIST/power saving nonsense.

On a side note, using IBT/AVX instructions is a little overkill for stock settings

 

[Bubbleawsome]

Isn't the stock range for intel chips 1.0-1.25? That would put his in normal territory by 0.02v.

 

[rvxtm]

Hi guys, I want to tell you that I succeeded to boot on 4.1ghz with 1.15 vcore , but i'm back to stock , the temps were to close to 90 for my liking.

I did 5 ibt tests with no bluescreen at 4.1 ghz