Ivy Bridge Temperatures Could Be Linked To TIM Inside Integrated Heatspreader: Report

[rge]

here is one quote of intels 87 w/mk indium solder tim. intel technical journal page 9.
http://download.intel.com/technology...ally_Green.pdf

Intel introduced polymer thermal interface
materials (PTIM) initially with 3-4 W/moK bulk thermal
conductivity and then successfully transitioned to Pb-free
solder-based thermal interface material to meet the ever
increasing demand for thermal cooling capability as
shown in Figure 16 [5].
Figure 16: Improvement in thermal cooling capability
with TIM materials (Polymer vs. Solder)
The introduction of Pb-free solder-based TIM materials
posed significant integration challenges. The STIM
needed to relieve the mechanical stress caused by CTE
mismatch of the integrated heat spreader lid and the
silicon die and to minimize stress transfer to the silicon
die during thermal cycling [6]. The thermal conductivity
and the mechanical compliance requirements resulted in
the development and qualification of low melting
temperatures (157oC Tm), low mechanical yield strength
(4-6 MPa), and relatively high thermal conductivity (~87
W/moK) pure Indium (In) metal for STIM applications. In
order to use In for STIM applications, appropriate

[TurboDiv]

I've been reading here and there about Ivy and i have to be frank here. Everything I've seen so far seems like a disappointment to me. There is absolutely ZERO stuff to look for in Ivy Bridge compared to my current 2600K set up (PCI-E 3.0 is just a gimmick since i am using only a single VGA). I feel like Intel missed the "technological progress" part of this release. I understand its just a small stepping stone for the next architecture but it seems like a beta run for the manufacturing process so that they can be ready for the real stuff in 2013. I guess I am waiting until then...

[paulbagz]

Temps don't seem so bad here;

http://www.guru3d.com/article/asus-m...board-review/9

??

-PB

[Allubz]

Make sure your processor is properly cooled (we used a Noctua D12 heatpipe cooler and forced the fan to a massive 80% RPM)

Warning, even with our Noctua cooler the temps did rise real fast to 90~95 Degrees C which is far too high ! So for the 5 GHz marker you really need liquid cooling or a vanilla CPU that can operate at that frequency under 1.4 Volts.

For reference: SB @ 5GHz would stay around 60-70c.

Speaking about overclocking, Ivy bridge processors run hotter when overclocked opposed to Sandy Bridge once you pass 1.35~1.4 Volts on the CPU. Reaching 4.5~5.0 GHz is fairly easy to accomplish with the motherboard but you'll find yourself needing juice in the 1.40 Volts range of the processor. So be prepared for processor heat, proper liquid cooling definitely deserves a recommendation as heatpipe cooling will not be sufficient at those speeds, even our dual fan Noctua D12 was not able to pass that test.

How is that not so bad?

[Lanek]

Temps don't seem so bad here;

http://www.guru3d.com/article/asus-m...board-review/9

??

-PB

90°C with a Noctua 12 with fan at 80% fixed ...

Warning, even with our Noctua cooler the temps did rise real fast to 90~95 Degrees C which is far too high ! So for the 5 GHz marker you really need liquid cooling or a vanilla CPU that can operate at that frequency under 1.4 Volts.

Im maybe too much used of H2o temp anyway. And if it the 3770K can at least OC to 5ghz, and surely in the 5200-5400mhz range with good watercooling, it should OC similar to SB under H2o. Thats a good news.

What worry me is some result if i compare them with my 2600K with same clock... Specially vantage where the 3770K result at 5ghz is slower of the score i have ( CPU score ). ( ofc, different hardware )

Personnally i will wait to see the first 3770K result under H2o, before judge it, but so far im not impressed at all. If it is the lottery for get a chip who do 5.2-5.3ghz ( or more ) under H2o.. this will be the lottery for outperform a 2600K in this clock range:

You fall on a chip who do 5.2ghz, and compare to a 5.3ghz 2600K, you result will be lower. You fall on a chip who do 5300 and will got better result of a 2600K at 5300mhz ( and not substantially better ).

[Trox]

I've seen a review of 3770K under H20, 3x12 rad and temps was rising real high.

I definitley will wait for a new revision, my 2500k@5 freezes at 70max under prime blend.

[hokiealumnus]

Our review used a 3x120 rad (MCP35X, MCR-320, EK Supreme HF) and yes, things got quite warm.

[FischOderAal]

Perhaps Intel kept extreme overclockers in mind.

Yeah, sure... I think Intel couldn't care less about Extreme Overclockers. Using solder on SB and others didn't prevent anyone from removing the HS.

[LeoAndrade]

For those who reviewed the i7-3770k under water, the air blowing out of the radiator is hot? If this is true, it may not be a heat dissipation problem, but a problem on the chip design.

[hokiealumnus]

No, it was not; certainly not hot enough to translate to a 85-90°C CPU. I've seen reports from others that their heatsinks didn't get very hot, even when run passively.

[LeoAndrade]

this can't be good... it would be nice if somewone tested ivy without the IHS, just to measure the effect of the TIM applied between the die and the Cu cover.

Hope intel can solve this problem on newer revisions.

[hokiealumnus]

Shamino says IHS-less helped OC on air, but didn't specify how much. It wasn't expected to, and indeed didn't, help with extreme overclocks. (Reference.)

[[XC] Oj101]

I fail to see how ivy can last longer with an average delta-t of +30 degrees C?

At 4.5 GHz, load temp 67'c - about the same as Sandy Bridge but with a lower vcore. Unless you're running 4.6 GHz + (where it starts wanting a fair bit more voltage) it should last as long as a Sandy Bridge. At 4.5 GHz it also offers 3D performance close to that of a 5 GHz Sandy Bridge, how many people can run their Sandy at 5 GHz 24/7 at a sane voltage for 5 GHz? This is akin to going from Netburst to Core and saying the chips won't last as long at the same speed. Of course they won't, but due to the increase in IPC it's not necessary to run the same speed.

[[XC] Oj101]

For reference: SB @ 5GHz would stay around 60-70c.

Maybe in the North Pole At 5 GHz my temperatures are north of 80'c on SB.

[Eldonko]

90C load at 4.8 with custom H20 @ 1.37v. Can do 4.9 but I really dont like seeing temps that high.

[st0ned]

90C load at 4.8 with custom H20 @ 1.37v. Can do 4.9 but I really dont like seeing temps that high.

Mine hit's 75ºC at 4.7 1.28v , using top notch WC and Indigo Xtreme as TIM ( this made a hell of difference ).

[Eldonko]

This is the first chip I havent been able to run at 5Ghz for a few years. Had np with 3960X, 3930K, 3820, a few 2600k, 2500k, etc etc. Simply too much heat. Not really a big deal but Im just sayin dont be pissed when you buy a 3770k and cant run 5Ghz 24/7.

[[XC] Oj101]

I've said 5 GHz 24/7 was out of the question since February, but my posts got deleted and I got told I don't know what I'm talking about

[Lanek]

No, it was not; certainly not hot enough to translate to a 85-90°C CPU. I've seen reports from others that their heatsinks didn't get very hot, even when run passively.

look like the heat is not transmit so ... personally i really doubt a 3x120 rad will not be enough for a single CPU, the watt dissipate should be enough... Anyway will be interessant to get a complete figure with temperature of water + delta T for the air in / out.

If i take a 3770K this will just for build back my Phase change cooler i think. lol. ( Too much noise, i dont think i will like it now 24/7 )

[Cold Fussion]

I understand its just a small stepping stone for the next architecture but it seems like a beta run for the manufacturing process so that they can be ready for the real stuff in 2013. I guess I am waiting until then...

Intel introduced us to their tick tock strategy in 2005, and you're just realising its effects now?

[paulbagz]

For reference: SB @ 5GHz would stay around 60-70c.
How is that not so bad?

Yeah saw that they were loading in the 90s lol mah badz

-PB

[Hondacity]

http://www.microsofttranslator.com/b...43705-1-1.html

[zalbard]

http://www.microsofttranslator.com/b...43705-1-1.html

ES again...
Interesting results, though.

I guess it's not really possible to solder an IHS onto a CPU as well as Intel does that, right? The layer would be much thicker, etc...

[thegoatman]

I'm hearing a lot of people guessing and hoping this is all a result of lame ES chips. So out of curiosity, what has history shown us? Were Sandy Bridge ES chips terrible overclockers?

[Allubz]

I also don't see a reason why Intel wouldn't directly bring the chips (ES / non-ES) on par, on this respect. Especially if testing and preliminary results are concerned, one'd want to have an account that simulates real-application best as possible.