i7-3920xm overclock, what kind of clocks?

I have the the i7-3920xm in my M17x R4, was wondering what kind of overclocks folks are getting as in laptops the temps aren't the best. I know even with my higher CFM fan upgrade i can still see 50-60c at 15% usage aka idle in my case.

 

Last year I had a play with a QBZU ES 3920xm in my P170EM - it is now in silicon heaven (instability then no boot, when inspected one pin was half black)

XTU with Budget CL10 DDR3 1600mhz ram
743 @ 4290mhz (heavy thermal throttle)
776 @ 3890mhz
This was on stock BIOS before I flashed Prema mod and with no cooling mod. Don't remember idle temps being bad but certainly the two pipe P170EM CPU heatsink struggled with any draw over 60W

 

I was able to get 4.6 when I had mine. Others got anywhere up to 4.9. You should be good for 4.4 - 4.5 24/7 if you use a liquid metal paste.

 

Depends on your sample.. M17x R4 has throttling problems so if your BIOS is fully unlocked etc, 4.5GHz should be doable.. I didn't have a fully unlocked BIOS so 4..3GHz was tops before power throttling!

 

Does that metal liquid really make any difference?

wouldn't 4.1 or 4.2 be quite bit more over stock? I have the UEFI and win 10 apparently i should i kept the bios? but, my fuzzy and hazy memory is telling me i'd have needed the UEFI for the gtx980. AFAIK, there is no unlocked UEFI yet?

 

Night and Day bro... night and day

 

m17x r4 have 68w cpu limitation


@D2 Ultima

 

Yup. Get what you can out of 68W and call it a day

Sent from my OnePlus 1 using a coconut

 

4.6 to 4.9 must be wicked fast then!!! So if 4.2 is night and day 4.0 or 4.1 ought to be decent

 

3920XM in my M18x does 4.2ghz all day no added voltage, I believe package tdp was around 63W under fulll load.

And yes, liquid ultra is a must.

 

On my 3920XM I was able to do 4.6Ghz. On my 3840QM I was able to do 4.1Ghz:

http://www.3dmark.com/3dm11/9431631

http://www.3dmark.com/3dm11/9431578

You should be able to hit 4.1Ghz no problem even with the TDP limitation.

 

is the TDP limitation a firmware thing to protect the VRMs/Mosfets?

 

It's a firmware limitation in the M17x BIOS I believe.

I'm sure the laptop should have no problem handling higher but it's limited since the 3920XM was never officially supported in the M17x series.

 

I have some of that liquid metal stuff but, idk if it's name brand. i'm curious about that as i come form the days when AS5 was the best you could get with maybe a few peeps running shin etsu. Is ultra the brand name? does it need burned in too?

 

Liquid Ultra will do fine on the M17x. It's the best stuff for your CPU heatsink. It's also conductive so be careful when applying it.

 

I'd assume just go a head and buy some but, idk if anyone has played with the non name brand "metal TIM". I'm also assuming the oc would be done in bios or throttle stop?

 

I'd go with Liquid Ultra.

As far as overclocking goes, you can do either way with an XM CPU. BIOS might work better but you can start with TS first.

 

Found it! It's Liquid Pro by collaboratories the same company

http://www.overclock.net/t/1351984/coollaboratory-liquid-ultra-vs-liquid-pro-vs-phobya-liquid-metal

https://forums.anandtech.com/threads/coollaboratory-liquid-ultra-vs-liquid-pro.2297140/

 

in that case youre golden Pro and Ultra are the same performance-wise, they only differ in their viscosity, ultra is less fluid and user-friendly to apply.

 

Another user here mentioned ultra is easier to work with so i ordered some yesterday! i'll use what's left of my pro for my less important laptops and projects.

 

yep sorry, i shouldve been more clear: ultra is indeed less fluid and exactly because of that MORE user-friendly than pro

 

Getting a max of 4.1 on my ES 3720QM which is essentially a ES 3920XM.

60W max and hitting a wall of 82 Celsius.

 

from a silicon lottery loser (me and mine cpus):

3920xm ES(E1/L1) 4,2Ghz @ 0 flex (no overvoltage from bios or xtu) strong IMC with ram @ 2133

3940xm OEM (sr0us) 4,3Ghz @ 0 flex (no OV from bios or xtu) weak IMC with ram @ 1866

 

did you oc with throttle stop or bios?

 

BIOS

 

modded/unlocked?

 

Yes, but you don't need the unlocked BIOS for that.

 

The last CPU I overclocked was Q9550 on a desktop and even then i needed help and research to understand some of the options. i checked out the overclock options in bios and most or all are over my head being such a new CPU with turbo flex options and all that space aged stuff i digress.

Are these options you understand from experience or did you find a generic or alienware specific guide that my google fu isn't finding?

 

literally just bump up the multipliers, flex is additional turbo voltage (should you need it)

alternatively, you can install intel XTU and play with the overclocking from there.

 

That's basically it. Just set the multiplier, if the bios lets you set the CPU speed directly, it should set all MP's to the same ratio. Then test it in prime 95 small FFT or blend (turn ON Sumout and roundoff testing), but please disable AVX instructions. (look in the file UNDOC.txt, for the lines to add to "Local.txt" which will let you disable AVX and FMA3, etc), and run a test. If you're stable, go up 100mhz on the core until you either overheat or start crashing or BSOD. If you crash, then you need to work on raising Vcore. On those old processors, adding Vcore by about 0.25v should work, then test again. If you cannot add voltage then that is what an unlocked Bios would let you do (then you can try Intel XTU which MIGHT let you add voltage).
then proceed until you exceed unreasonable thermal limits or you cant get it stable anymore.