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post #221 of 560
Quote:
Originally Posted by Ghostleader View Post
Here´s some Maxxmem with the different QPI link frequency at Bclk 200, Core 4,2GHz and memory at 2000C8.

QPI link frequency ~3200MHz, Uncore frequency ~3600MHz, Maxxmem 1324,4


QPI link frequency ~3600MHz, Uncore frequency ~3600MHz, Maxxmem 1326,5


and some y-cruncher

QPI link frequency ~3200MHz, Uncore frequency ~3600MHz, y-cruncher 198,898


QPI link frequency ~3600MHz, Uncore frequency ~3600MHz, y-cruncher 199,592


Not much of a different, it´s not the Bclk frequency or QPI link freguency that makes the different, it´s the Uncore frequency, look at the following

Here´s a Maxxmem comparision between different Uncore frequency, Bclk 133, Core ~4,0GHz, QPI ~2400, Uncore ~2400 and memory at 1600C7 vs Bclk 200, Core ~4,0GHz, QPI ~3600MHz, Uncore ~3600MHz and memory at 1600C7.

QPI link frequency ~2400MHz, Uncore Frequency ~2400MHz, Maxxmem 808,7


QPI link frequency ~3600MHz, Uncore Frequency ~3600MHz, Maxxmem 1160,7


Well, what to say, here´s a y-cruncher comparision between Uncore 2400 and 3600

QPI link frequency ~2400MHz, Uncore Frequency ~2400MHz, y-cruncher 219,836


QPI link frequency ~3600MHz, Uncore Frequency ~3600MHz, y-cruncher 209,110


Hope that satisfy your curiosity some
875k is such a beast!!
post #222 of 560
@Ghostleader.
Thanx, that confirmed my thought's on uncore speed and memory bandwidth. +1
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post #223 of 560
Quote:
Originally Posted by Rucka315 View Post
No like i said before my temps are crap at full load gets up to 90c while doing linx i tried just about everything this was the only 100% stable vcore for me. If anyone has any good info on how to run it at a lower vcore let me know.
You run a pretty high VTT voltage for that rather low uncore speed and memory speed, you should be able to run it stable with something like 1,20 to 1,25 or even lower and that makes the IMC to run a little cooler and you might lower your vcore some.

I suggest to reseat the TRUE and work from there, since we don´t know how your fan configuration looks like with that TRUE or which way it´s mounted.

How is the performance with the EVGA P55 FTW 200 and those Tri SLI GTX 260?

I read a review when then did a comparision between the Maximus III Formula (non Nvidia nf 200) and Maximus III Extreme (Nvidia nf 200) and the MIIIE loses due to high latency from the nf 200 chipset in SLI, so it´s interesting to know how Evga have done to overcome this since the i5/i7 don´t have more then 16 lanes for the PCIe.



Quote:
Originally Posted by Rucka315 View Post
875k is such a beast!!
Don´t know about that, it seems like it´s about the same as the i7 860 or i7 870.



Quote:
Originally Posted by R00ST3R View Post
@Ghostleader.
Thanx, that confirmed my thought's on uncore speed and memory bandwidth. +1
You´re welcome
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post #224 of 560
You can always count on ghostleader for those test.

I wonder how much of a different if they SLI for the MIIIE if it wasn't used in the x16/x16 configuration. If I read it correctly, you need to have it in slots 2/4 to get that. What if you used slot 1/2 and its only x16/x8? Would that be comparable to the MIIIF? I think I will still go with the MIIIE because more of my add-on cards are PCIe as well as USB3 and SATA3. Short on funds atm so I will need to wait a bit before i can use the 875k

Ghostleader, did you use the ROG Connect feature? What did you think of that?
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post #225 of 560
Gets me over 60fps in crysis warhead at 1920x1200 res 4x aa on enthusiast setting

x16/x16/x8

Oh yea and this is a beast 870 speeds at 260 dollars cheaper
Edited by Rucka315 - 7/13/10 at 8:14pm
post #226 of 560
Quote:
Originally Posted by iceboi714 View Post
You can always count on ghostleader for those test.

I wonder how much of a different if they SLI for the MIIIE if it wasn't used in the x16/x16 configuration. If I read it correctly, you need to have it in slots 2/4 to get that. What if you used slot 1/2 and its only x16/x8? Would that be comparable to the MIIIF? I think I will still go with the MIIIE because more of my add-on cards are PCIe as well as USB3 and SATA3. Short on funds atm so I will need to wait a bit before i can use the 875k

Ghostleader, did you use the ROG Connect feature? What did you think of that?
Thanks

You have still not decided which one to get

The ROG Connect feature works really good but I still think that the old LCD poster and Tweak It feature is better.



Quote:
Originally Posted by Rucka315 View Post

1. Gets me over 60fps in crysis warhead at 1920x1200 res 4x aa on enthusiast setting

2. x16/x16/x8

3. Oh yea and this is a beast 870 speeds at 260 dollars cheaper
1. Not bad

2. Don´t think so since the i5/i7 only have x16 in total

3.




When I got my i7 875k I had to upgrade my bios to at least 1607 on my Maximus III Formula, I went with the 1706, I noticed a new feature called "Asus Turbo Unlocker", at first I didn´t pay much attention to it, except for the other day when I thought I will give it a try.

Since the i7 875k have default multiplier of 22 and have turbo boost as followed, 2/2/4/5, it can boost up to multiplier of 24 with 3 and 4 cores (~3,2GHz), it can boost up to multiplier of 26 with 2 cores (~3,46GHz) and it can boost up to multiplier of 27 with 1 core (~3,60GHz).

When I enable Asus Turbo Unlocker I get the following for my i7 875k, 4/4/5/7 -> 3 and 4 cores ~3,46GHz, 2 cores ~3,60GHz and 1 core ~3,86GHz, not bad at all, but what about vcore, the board set it to 1,30 and that´s not bad because I run 4,0GHz with a vcore of ~1,30.

Then I thought, what about if I set all cores to ~4,0GHz, so I set the turbo unlocker in bios to +8 for each core, it equals a multiplier of 30, so with a Bclk of 133 it gives me a core speed of ~4,0GHz and the board set the vcore to ~1,30.

With all the power save gizmos enable and that turbo boost, the cpu will have a working range from 1,2GHz to 4,0GHz on all 4 cores and the vcore will throttle accordingly to that, that´s one heck of a powerful combination.

I did run some comparision test runs between this turbo boost setup and a fixed mutiplier of 30 with a Bclk 133 setup without any power saving at all to see if it´s any different between those.

I set my memory to 1333 (mines default to that) with a timing of 5-5-5-15 1N and DRAM voltage to 1,60 with both of the setups.

Here´s some bios pics of the turbo setup.







First out is LinX

Turbo Unlocker +8




Non Turbo Unlocker, fixed multiplier




Yeah, I figure you noticed that too, not all of the monitor applications I use can read the actual status of the core speed, at full blast it seems like all can read it right but not at idle, except for CPUz that reads the vcore right and Tmonitor reads core speed at idle and load the same even though I have a fixed multiplier, which one to trust

Well, on to y-cruncher

Turbo Unlocker +8




Non Turbo Unlocker, fixed multiplier




Not much of a different, I didn´t thought it should either.

What about some Crysis

Turbo Unlocker +8


Non Turbo Unlocker, fixed multiplier


Not much of a different with Crysis either.


Bottom line, those monitor application have a tough time keeping up with Intels C-States and Turbo boost but never the less it seems like this Asus Turbo Unlocker works really good.

In my eyes, this Asus Turbo Unlocker is one awesome feature , what a simple but yet powerful performance boost one have with the i7 875k and the MIIIF and still one have the benefit of the power saving
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post #227 of 560
The Turbo Unlocker is what I went with on my P7P55D-E, only after some voltage tweaks, i just set it to Fixed voltage at Auto. I have it at lower turbo multipliers since I figure I'll have the chip for many years to come. I get something like 3.48 with all threads and 3.6 single. Not to forget that the power saving downclocks to 1.2 when I'm doing basic stuff.
post #228 of 560
I decided...Just funds are a slight problem at the moment...Going back to school...lol...getting my masters... as soon as i figure out my finances the MIIIE will be on order

EDIT: Ok so its hot, I am bored....i stuck my i875K back into my EVGA P55 Micro...so far not going too well...i think there is room for improvement with the bios...at lesat for my board...i noticed some others with EVGA boards that aren't having too much issues...

The main difference from most on here is I am trying to OC with 8gb of ram rather than 4....any input would be great..once i get a decent stable OC i'll post some settings
Edited by iceboi714 - 7/16/10 at 8:08pm
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post #229 of 560
Quote:
Originally Posted by SOCOM_HERO View Post
The Turbo Unlocker is what I went with on my P7P55D-E, only after some voltage tweaks, i just set it to Fixed voltage at Auto. I have it at lower turbo multipliers since I figure I'll have the chip for many years to come. I get something like 3.48 with all threads and 3.6 single. Not to forget that the power saving downclocks to 1.2 when I'm doing basic stuff.
It´s some awesome feature Asus have and it work so good with a unlocked cpu



Quote:
Originally Posted by iceboi714 View Post
I decided...Just funds are a slight problem at the moment...Going back to school...lol...getting my masters... as soon as i figure out my finances the MIIIE will be on order

EDIT: Ok so its hot, I am bored....i stuck my i875K back into my EVGA P55 Micro...so far not going too well...i think there is room for improvement with the bios...at lesat for my board...i noticed some others with EVGA boards that aren't having too much issues...

The main difference from most on here is I am trying to OC with 8gb of ram rather than 4....any input would be great..once i get a decent stable OC i'll post some settings
I was just kidding with you , yeah, funds can be a problem sometimes, good luck with your MIIIE when you get it .

Well, you put a awful lot of pressure on that IMC with 8Gb of memory at 2000MHz, if that´s the speed you run and then you got 4,2GHz of core speed, a lot of heat, what kind of cooling do you have?
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post #230 of 560
@iceboi714

I had to try it, so here it´s, 4,2GHz with 8Gb at 2000MHz 888 24 1T



I had to increase IMC voltage one notch to 1,3647 compare to 4Gb at 2000MHz 888 24 1T to make it happen.
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