Core i7/X58 Overclocking Thread

[Hornet331]

I like 4.3 (those settings would not pass prime lol it passed it at 4.2 but I upped the voltage some and it passed prime but temps are WAY to high.)

why disable 64bit support? for me crysis gains a few fps on 64bit.

[dejanh]

@bench2die - I hope you are not using Crysis to test your stability...

[Chri$ch]

How about 4.2ghz HT on? 4ghz is child's play lol.

On first chip ~1.37v @ 4.2Ghz (Turbo + HT enabled)

Second chip will i test tomorrow, i am now on 1.232v @ 4Ghz

[ReverendMaynard]

On first chip ~1.37v @ 4.2Ghz (Turbo + HT enabled)

Second chip will i test tomorrow, i am now on 1.232v @ 4Ghz

What about the other voltages?

[Chri$ch]

1.80v PLL
1.215v QPI/VTT
1.12v IOH
1.66v vDimm

[theonlybabyface]

How about 4.2ghz HT on? 4ghz is child's play lol.

On first chip ~1.37v @ 4.2Ghz (Turbo + HT enabled)

Second chip will i test tomorrow, i am now on 1.232v @ 4Ghz

Most impressive.

[dejanh]

The B chips are stupidly good...

[bench2die]

@bench2die - I hope you are not using Crysis to test your stability...

No but if you read the post you would see this..

those settings would not pass prime lol it passed it at 4.2 but I upped the voltage some and it passed prime but temps are WAY to high.

btw chip does 4.58 through 05 and 06, on water.

http://service.futuremark.com/compare?3dm05=4653713

[theonlybabyface]

The B chips are stupidly good...

I've got one as well but it takes 1.4volts for 4.2ghz (Turbo though)...none of this 1.3v stuff. LOL

[dejanh]

I've got one as well but it takes 1.4volts for 4.2ghz (Turbo though)...none of this 1.3v stuff. LOL

Wait, let me get a tear j/k

1.44V for 4GHz on an i7 940, beat that, lol! 2x more price and 10% less performance (counting the excess voltage needed to get 4GHz).

[ReverendMaynard]

1.80v PLL
1.215v QPI/VTT
1.12v IOH
1.66v vDimm

love to see that running beside prime blend 4.2ghz HT on Chri$ch

If so, you definitely have the best 920 that I've seen.

[safan80]

The B chips are stupidly good...

you've got a very lucky chip that is all

[Tobit]

Ordering my 920 on Friday (finally), Chri$ch is making me want to go with a UD5 now too.

[icecold316]

1.80v PLL
1.215v QPI/VTT
1.12v IOH
1.66v vDimm

What bios are you using Chri$ch ?

[Hornet331]

uhn i just noticed that running 8 threads boinc/wcg and gaming does not compute very well.

HT really fills the pipeline and reduces the fps noticable while gaming and running all core on full load.

But i found a easy solution -> reduce boinc to use only 6 threads and assign affinity to cpu 2-7, which leaves cpu 0-1 for games.

I even found a tool that let you do this automaticaly.

[bowman]

uhn i just noticed that running 8 threads boinc/wcg and gaming does not compute very well.

HT really fills the pipeline and reduces the fps noticable while gaming and running all core on full load.

But i found a easy solution -> reduce boinc to use only 6 threads and assign affinity to cpu 2-7, which leaves cpu 0-1 for games.

I even found a tool that let you do this automaticaly.

Really? I got no problems.. Both TF2, L4D and GTA IV running fine so far. Even exporting replays in IV video editor to 720p, WCG plays nice and backs off, I don't notice it!

[Astratuner]

close to my batch (can't really make yours out though).

B = golden. Been telling people this for weeks now lol.

i have now 2 B batch CPUs..

3837B072 = 4Ghz @ 1.264v
3838B079 = 4Ghz @ 1.248v (try now lower vcore)

Got myself a Q here .


The later I order the more chance I get to have a 'B' batch model?


And when you guys overclock, do you burn in your cpu then with a amount of time? Or...


Thanks!

[Hot'n'Chilly]

Alright, I've noticed that the max voltages seem to be higher than what people were saying a few weeks ago.

Since theres a lot of confusion would those who have a strong opinion please list the max voltages for QPI (aka UnCore), DRAM, CPU, and PLL please? I'd love to know where I can really push these.

[tjelaw]

Mine is an #3837A909 HT on, Turbo on.

Stable 200x21 @ 1.3625vCPU & 1.4125vQPI

Ive done hours of gaming, LinX and OCCT so far hasn't locked up yet.
The jump from 190x21 to 200x20 was so huge, I could do 4ghz in below 1.3vCPU.

My max temp I can get is 69-71C when doing LinX, and it idles around 28-30C. This is on water.
Havent tried clocking any higher, might be possible but im worried about the temps.

Should Prime be more stressful than OCCT or LinX?

[Hot'n'Chilly]

Very Nice! Heck of an A chip you got there! Whats the batch #, I hope its a cousin of mine

[NBF]

i have now 2 B batch CPUs..

3837B072 = 4Ghz @ 1.264v
3838B079 = 4Ghz @ 1.248v (try now lower vcore)

You are really lucky, not all B batch are good, I have a 3837B017 and it needs 1.4V for 4Ghz

[namegt]

3838b079



BCLK180


BCLK200
32M pi


BCLK221.53


EVGA X58 SLI + EVGA GTX260 SLI

[Chicken Patty]

^^^ wow dude, awesome chip, awesome everything. my same board!!!! Congrats!

[earthman]

which eVGA x58 BIOS did you guys use?

[Hot'n'Chilly]

Heheh, almost makes me wish I'd gone with a water cooler again.