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Q6600 Overclocking (1066 or 800 RAM)

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July 16, 2007 2:20:16 AM

So far I have read that you can overclock a Q6600 to 3.6GHZ on air. In my system I dont want to deal with liquid so I wanna stick with air cooling. So basically I was wondering would I be able to hit that speed with DDR2 800 without overclocking the ram or should I go with 1066? Also, I was wondering if I would get better performance if I bought 1066 and underclocked it to run at tighter timings? I plan on getting 4x1GB sticks. Price is not a large consideration here either.
July 16, 2007 2:50:20 AM

3.6 on air I think that's a bit optimistic. 3.2 is about average not to say some didn't get 3.6. Hell many folks with E6600 don't hit 3.6. Rather than waste your money on better ram put it into the cpu. In terms of real world performance the best ram only makes 5% difference over value 667. When I was OC'ing my E6600 I backed my ram way down the difference in performance was insignifigant in application testing. Yes it made difference but not enough that you would noticed without benchmarking tools.
July 16, 2007 2:42:21 PM

Yeah, 3.6 is good for an E6600, but the Q6600s run waaaaay hotter, would be surprised if you got anywhere near that tbh.

As regards putting the money you'd spend on better RAM into the CPU, I don't think it would make much difference, as the next CPU up is an 'extreme', which cost an absolute fortune. Unless you could put that money into a GFX card upgrade if you game, wouldn't be too bad spending it on the PC8500 considering how cheap it is at the moment. As bydesign says though, will only give a small performance increase, so perhaps you should just save the money :) 
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July 16, 2007 3:44:58 PM

well i am running Q6600 @ 3.4 on air cooling with 800 RAM...

I let the timings auto and running it 1:1 which results in stable system..

btw.. dont get 4X1GB ram.. instead go with 2X2GB
2 reasons for that :

1- easier to overclock ram with less modules
2- you still got 2 slots to upgrade your system to 8GB

Specs:

Q6600 @ 3.4 Ghz (cooler scythe ninja plus rev.B)
Board : Gigabyte GA-P35-DQ6
Ram : 2xGB OZC 2GB8004GK
PSU : Enermax Infinity 720W
July 16, 2007 4:35:54 PM

Damn 3.4 on Air....

I got my q6600 just over 3 and it was running at 69 degrees under load. You must have an ultra flat heatsink/processor or mine suck!
July 16, 2007 5:58:39 PM

stuoke said:
So far I have read that you can overclock a Q6600 to 3.6GHZ on air. In my system I dont want to deal with liquid so I wanna stick with air cooling. So basically I was wondering would I be able to hit that speed with DDR2 800 without overclocking the ram or should I go with 1066? Also, I was wondering if I would get better performance if I bought 1066 and underclocked it to run at tighter timings? I plan on getting 4x1GB sticks. Price is not a large consideration here either.



wanting to get a 3.6ghz on a quad without watercooling ?
you will have to try 5-10 cpu to get one that fits what you want... then, be sure you have a rock stable motherboard... 800mhz ram is sufficient with 9x400 = 3600. you won't get to 3.6ghz using another multi with air cooling... even some vapochilled cpu didn't get to 3.5ghz so...

personnally, i would get the lowest featured board with a P35/ICH9R watercool to the chipset, video card and maybe ram with ocz flex units...
and a vapochill for the cpu. might be the black pearl edition...

with a low power draw video card, i should be fine with the PSU supplied with the antec SONATA III while watercooling and vapochill aren't powered by it.

i expect
July 17, 2007 1:25:31 AM

I'm run @3.6GHz on air and my RAM is Crucial Ballistix Tracer 1066 or PC2 8500. These babys run @800MHz @ 3-3-3-8 @2.2v, or 1200MHz @5-5-5-15 @2.2v.
July 17, 2007 2:48:35 AM

This is really making my decision hard here. I am thinking I might go with the Ultra 120 Thermo electric cooler. It looks like the best air cooler out there and almost comparable to water cooling.
July 17, 2007 2:54:38 AM

stuoke said:
This is really making my decision hard here. I am thinking I might go with the Ultra 120 Thermo electric cooler. It looks like the best air cooler out there and almost comparable to water cooling.


I am having a tough time keeping my E6600 @3.6GHz cool, and you think you can air cool "four cores" on air at 3.6GHz.
August 2, 2007 9:55:24 PM

XgoDoT said:
well i am running Q6600 @ 3.4 on air cooling with 800 RAM...

I let the timings auto and running it 1:1 which results in stable system..

btw.. dont get 4X1GB ram.. instead go with 2X2GB
2 reasons for that :

1- easier to overclock ram with less modules
2- you still got 2 slots to upgrade your system to 8GB

Specs:

Q6600 @ 3.4 Ghz (cooler scythe ninja plus rev.B)
Board : Gigabyte GA-P35-DQ6
Ram : 2xGB OZC 2GB8004GK
PSU : Enermax Infinity 720W


Wassup,
Great Info , whats the exact model number of your memory modules from OCZ ?!
peace
August 2, 2007 11:40:22 PM

in all the benches I have seen with games.. 90% of it is CPU and GPU very little has to do with ram and FSB ect is this about right? in all the expertise out there ?
August 2, 2007 11:50:20 PM

Yup, ram speed doesn't account for much performance. In gaming terms it would be gfx, cpu, (as you mentioned, they are the major two) hdd, ram in that order.
a b } Memory
a b K Overclocking
August 3, 2007 12:42:36 AM

W-Molders said:
in all the benches I have seen with games.. 90% of it is CPU and GPU very little has to do with ram and FSB ect is this about right? in all the expertise out there ?


There's a load of **** !
August 3, 2007 1:31:12 AM

I would grab the DDR2-800 and get as close to 3.6GHz as you can. Which so far doesn't seem to be very difficult to do on air http://www.xtremesystems.org/forums/showthread.php?t=15...

Of course every chip is different and things like lapping your heatsink and/or cpu will help maximize your OC.
August 3, 2007 2:57:32 AM

swifty_morgan said:
There's a load of **** !



ok smartass show me where ram and FSB boosted games bigtime
September 7, 2007 2:57:58 PM

I have a q6600 running @ 3.96ghz on air on my gigabyte MB. It never gets very hot either!

a b } Memory
a b K Overclocking
September 7, 2007 4:14:40 PM

The stepping on your Q6600 will play into this. If it is a G-stepping, you will likely get a really good OC, FSB 400 or better even on air. If it is the older stepping (B I think it is) then it may not run so well. If you get a G, I'd suggest the PC1066 memory as you can likely stretch it out a bit more with the G.
September 12, 2007 12:07:54 AM

mrclippy said:
I have a q6600 running @ 3.96ghz on air on my gigabyte MB. It never gets very hot either!


What cooler and vCore? G0 stepping? Any screenshots?
September 12, 2007 1:38:20 AM

mrclippy said:
I have a q6600 running @ 3.96ghz on air on my gigabyte MB. It never gets very hot either!


I would love to see some screen shots as well, that sounds to good to be....
September 13, 2007 2:16:17 PM

systemlord said:
I would love to see some screen shots as well, that sounds to good to be....


:D 
September 13, 2007 10:48:34 PM

mrclippy said:
I have a q6600 running @ 3.96ghz on air on my gigabyte MB. It never gets very hot either!


Posters that lie through their teeth aren't to be believed in the future. Your credibility is toasted!
September 13, 2007 11:11:46 PM

systemlord said:
Posters that lie through their teeth aren't to be believed in the future. Your credibility is toasted!


:lol: 
September 21, 2007 1:01:44 AM

3.6ghz on air here (G0 and AC Freezer 7 Pro)

These are idle temps, load temps are around 50-53C


September 29, 2007 1:52:36 AM

3.6 is good, especially with that cooler. What mobo? What vCore? Tested stability with Orthos?
October 8, 2007 9:42:53 PM

The thermalright 120 extreme is the best air cooler around. http://www.xbitlabs.com/articles/coolers/display/therma...
I have it baby brother the ultima-90 as I didn't like the size. I have my Q6600 at 3.6 with 1.425v and it runs idle 36c and prime load 70c using the ultima-90 with an old arctic freezer 7 pro fan attached. A panaflo would be better but noisier. Any P35 MB is good for overclocking the Q6600 - I got the P5K premium and like it but it gets some bad press about certain model of SATA compatability. Just make sure the Q6600 you buy is a GO SLACR one and not a B3. I would also recommend Ballistix 8500C5 - they have micron d9 chips and are as cheap as chips -lol! Get them from Misco if you are in the UK http://www.misco.co.uk/applications/SearchTools/item-de...
Here is a link for a good overclocking the Q6600 thread http://www.xtremesystems.org/forums/showthread.php?t=15... Q6600 temperatures quide http://www.tomshardware.co.uk/forum/221745-11-core-temp...
October 8, 2007 10:02:06 PM

I can get 3.6 on my Q6600, but i need my vcore at 1.4500 so I don't use this setting. Temps are alright though, 40C idle and 68C at load. Not too bad for air I think... Well I don't like to have my cpu on 1.4500v so I have mine near 3Ghz which runs at 1.2750v.
October 12, 2007 1:50:35 AM

I read in Custom PC they got the B3 chip running at 3.3ghz but at 91c but it was runnning stable but they tried it with the G0 and got it to 3.6ghz with a £15 HSF. Which is no bad. I've just got the Asus Striker Extreme and the Q6600 G0 and hope to water cool the system. But i still need the rest of the system to do it first. So it wont be till the new year now maybe :( 
October 12, 2007 2:17:12 AM

... my only problem is that i can't oc to 3.6 it stops at 3.54 for some reason.
October 12, 2007 8:11:46 AM

Well processors arnt all the same really so its all different, its pretty much luck of a the draw.
October 12, 2007 6:08:20 PM

dt said:
... my only problem is that i can't oc to 3.6 it stops at 3.54 for some reason.


Whats your setup and BIOS settings. It may be the limit of the processor - it may be your setup - it may be your settings. With more info we may get it to 3.6 - or maybe not but we can but try -Lol!
October 12, 2007 6:15:45 PM

Echopark said:
I read in Custom PC they got the B3 chip running at 3.3ghz but at 91c but it was runnning stable but they tried it with the G0 and got it to 3.6ghz with a £15 HSF. Which is no bad. I've just got the Asus Striker Extreme and the Q6600 G0 and hope to water cool the system. But i still need the rest of the system to do it first. So it wont be till the new year now maybe :( 


The GO SLACR runs a lot cooler than the B3. Indications are that they o/c best on the P35 MB's - if you haven't opened you stricker yet see if you can swap it. Unless you have a desperate need to use water the thermalright 120 extreme or the ultima-90 are good to keep it cool with acceptable 24/7 temps for a 3.6GHz overclock or more - cheaper and easier to install. Check the extremesystem thread I posted for an idea of what Q6600 o/c like on diffent MBs. If you keep the memory 1:1 u can get some excellent performing DDR2 6400 ram for next to nothing e.g BAllistix 6400 or OCZ 6400 reapers. Both of which will happily go above 1000Mhz or else get Ballistx 8500 tracers which o/c upto 1200 with their Micron D9 chips. They may be overkill if you arent going to use their capability. Here the ramlist to help memory selection by identifing modules with best chips if you haven't already got it http://ramlist.ath.cx/ddr2/ personally I stick with RAM with Micon D9's
October 15, 2007 1:59:43 PM

so you mean to say if you get a PC8500 ram which is a 1066mhz speed

the only way to run the ram is to get 533mhz because its a 1:1 ratio of fsb to ram right?

so even if you use the multiplier of 6 its 6x533fsb = 3198mhz clock speed for the Q600

sorry for the questions i am confused..
October 15, 2007 5:28:37 PM

ginbong46 said:
so you mean to say if you get a PC8500 ram which is a 1066mhz speed

the only way to run the ram is to get 533mhz because its a 1:1 ratio of fsb to ram right?

so even if you use the multiplier of 6 its 6x533fsb = 3198mhz clock speed for the Q600

sorry for the questions i am confused..


You can run the ram any way you want but it depends what you want to achieve. High bandwidth,best speed or a combination. Running 1:1 with tight timings is as good if not better than running on a higher ratio with looser timings although with a lower bandwidth.
So a q6600 (450x8) with memory DDR900 on 4,4,4,12 is equal in response to running memory 1125 5,5,5,15 but loses a bit of bandwidth. Depends what you want - trade bandwidth for speed!. Good overclocking 6400 memory has a good chance of running tight timings upto 1066 but good 8500 with D9 chips has better chips and is more likely to run the tight timings below rated speed at these frequencies so potentially gives the best of both.
Have a look at this detailed arcticle and download the overclocking speadsheet and compare figures u want to try out. - the author knows what he is talking about. http://www.thetechrepository.com/showthread.php?t=195
October 16, 2007 5:00:00 AM

sesdave said:
You can run the ram any way you want but it depends what you want to achieve. High bandwidth,best speed or a combination. Running 1:1 with tight timings is as good if not better than running on a higher ratio with looser timings although with a lower bandwidth.
So a q6600 (450x8) with memory DDR900 on 4,4,4,12 is equal in response to running memory 1125 5,5,5,15 but loses a bit of bandwidth. Depends what you want - trade bandwidth for speed!. Good overclocking 6400 memory has a good chance of running tight timings upto 1066 but good 8500 with D9 chips has better chips and is more likely to run the tight timings below rated speed at these frequencies so potentially gives the best of both.
Have a look at this detailed arcticle and download the overclocking speadsheet and compare figures u want to try out. - the author knows what he is talking about. http://www.thetechrepository.com/showthread.php?t=195


ok let me rephrase the question, IF i bought a DD2 2x1gig kit that is PC8500 1066mhz

is it possible to run that memory at 1066mhz speed without overclocking the CPU? lets say a Q6600

because Q6600 = 9x266 or 6x400 = 2.4gig right?

so how do i set up the 1066mhz ram without overclocking the CPU IF ITS POSSIBLE..

thanks to anyone who replies..
a b } Memory
a b K Overclocking
October 16, 2007 12:04:33 PM

You can leave the FSB/CPU alone, and simply set your memory divider up to run the individual DIMMS at 533 apiece. Just go in and adjust it: Nearly all Bios' will tell you the resultant as you make the change. 2 channel operation will take your memory to 1066, and you didn't touch your CPU or FSB. Mind your voltage going to the memory: Most 1-66 memory takes 2.1~2.2 volts to run at that speed.

{edit} Be advised that running 1066 memory on an otherwise un-overclocked system isn't likely to buy you a whole lot of extra performance. Something like 5%.
October 16, 2007 2:27:33 PM

thanks for the reply i appreciate it..

i was just interested because for a extra $80AUD or so i can have a dominator 1066mhz pair of ram.. instead of the xms2 dhx 800mhz pair

and not your 800mhz mainstream ram as some toms article stated..
October 17, 2007 11:45:58 AM

ginbong46 said:
thanks for the reply i appreciate it..

i was just interested because for a extra $80AUD or so i can have a dominator 1066mhz pair of ram.. instead of the xms2 dhx 800mhz pair

and not your 800mhz mainstream ram as some toms article stated..


If you are talking about dominator 8500C5 beware that they change the chip in v2 from micron D9's to Qimonda chips. If they are earlier revisions they should have hand picked micron D9. If not you would be better with Crucial Ballistix 8500C5 or tracer with micron D9 - you should be able to get them about the same price.
If you are not overclocking the CPU all the 8500 are going to give you over 6400's are a little extra bandwidth at 1066 and higher overclocking cabability which you are not going to use. Good 6400 running tight timings at DDR800 are your best buy(use the o/c speedsheet I posted ) - Dominator 6400C3 if you can get them cheap cos they will run CAS3. You should at least try raising the FSB to what you can do stable with stock vcore. You can do that with stock HSF and it wont kill the CPU anywhere soon cos you arent rasing vcore. .Speed for free is good!
October 17, 2007 1:15:12 PM

thanks for the reply, i sent a pm to you :) 
October 27, 2007 5:03:25 PM

Running Q6600 G0 3960 (9x410 ) on air, 1.55V. 800 RAM runs 820. Idle core temps are 44-46 for all 4 cores and under load 62 max for core #0 which running the hottest of all four. Sandra XI reports 151W power consumption under load. I was considering water cooling, but after these resuls I may do only lapping, to keep the temps safe or perhaps go for 3.8 - 3.9 GHz.
My old C2E 6800 was running hotter, had 50% of the performance and costed me 4x more than Q6600!!
a b K Overclocking
October 27, 2007 9:53:33 PM

matezz said:
Running Q6600 G0 3960 (9x410 ) on air, 1.55V. 800 RAM runs 820. Idle core temps are 44-46 for all 4 cores and under load 62 max for core #0 which running the hottest of all four. Sandra XI reports 151W power consumption under load. I was considering water cooling, but after these resuls I may do only lapping, to keep the temps safe or perhaps go for 3.8 - 3.9 GHz.
My old C2E 6800 was running hotter, had 50% of the performance and costed me 4x more than Q6600!!


What cooler? That's quite an OC. Stable in orthos or prime 95? Those temps and that OC are quite out of the ordinary. Screen shots?

ETA Ah, did you mean to write 3690 or 3960? 3690 obviously. Still thats a tough number to run stable. How have you tested it?
October 31, 2007 12:58:40 PM

I am not sure, what to do with prime95. And yes, it supposed to be 3690 :p 
New stable freq with 1.60Vcore is 3762 - idle temps you can see on the pic, under load they are around 70C
a b K Overclocking
November 1, 2007 11:45:18 AM

Thats a great OC. What model heatsink you using?
November 3, 2007 8:00:29 PM

ZALMAN CNPS9700 and zalman provided thermal paste. Got the cpu trough clubit - they let you choose G0. MB is ASUS P5K DW.
November 6, 2007 3:26:07 PM

matezz said:
ZALMAN CNPS9700 and zalman provided thermal paste. Got the cpu trough clubit - they let you choose G0. MB is ASUS P5K DW.


You need to run Prime95 v25.5 http://www.freewarefiles.com/downloads_counter.php?prog... which will run a test against all four cores. That screenshot looks like a single instance of an old version of Prime95 which isnt going to fully stress the CPU/Memory and prove the o/c stability. If it was a single instance you need to check you HS seating - When you run the latest version which initiates individual tests on all 4 cores these temps are going up and quickly! You really want them below 70c on prime with air. Course if I am wrong and that is latest Prime95 version running 4 tests ignore all this-lol! PC Wizard http://www.cpuid.com/pcwizard.php is a nice tool for monitoring the coretemps and more - similar to everest ultimate but neater. Minimise after it starts and it displays in screen.
Check to see if your CPU IHS/HS are flat and even with a razor before doing lapping. Not much to gain if they are already flat. Try MX-2 thermal paste - it is equal to or better than AS5 and doesnt need to cure.
November 10, 2007 1:06:23 PM

I'm in the middle of overclocking my q6600 on an ASUS P5E3 WiFi-AP (x38) with G.Skill DDR3-1333. I'm air cooling with a thermalright ultra-120 extreme, and so far I'm up to 3500 MHz (9x389) with the DRAM at 1167 and the CPU core temp is only at 54C during the torture test and 38C at idle (the Vcore is still at stock: 1.36.-1.38). This is stable with 4 Prime 95's running at 10 hours - one for each core.

The ultra-120 Extreme is really getting the job done. Since I'm still fairly new to overclocking, I was too hesitant to try watercooling (besides, my wife said no way!) I'm very pleased with this air cooler so far.

With seeing these other posts, hopefully I can get it the q6600 up to 3700-3800. I'll put up a screenshot soon & keep y'all updated
a b } Memory
a b K Overclocking
November 10, 2007 1:55:53 PM

Q6600 3.0 load 57, fan speed is what ever the board needs to keep that, average 1100(depends on room temp)


and yes speedfan and core temp read the same with the new beta(no more 15c offset needed)
November 23, 2007 1:15:20 PM

Mine (Asus P5E3 Deluxe, Q6600, DDR3 1333, 8800 Ultra, ect..

Good Temps (Idle 26 - 34 C) Using Bigwater 760


November 25, 2007 3:06:32 AM

Why use 1066 instead of 800 RAM?
November 25, 2007 9:24:24 PM

dashbarron said:
Why use 1066 instead of 800 RAM?

Did you read the thread befoe asking this question?

Memory choice is all about how hard you want to overclock and how good is your CPU and whether you are really bothered or not about a second or 2 on superpi 1MB test. If you are not overclocking then DDR2 6400 memory will meet your requirements. No need to buy higher spec if you are not going to use its full capabilities.
lHigher FSB will give you higher bus speed and and run the memory to its best capability at 1:1 . If you run a q6600 say at 450x8 (or 9 if you are so lucky) then running DDR800 memory slightly o/c to DDR900 with tight timming will give good performance/speed. That said I have Ballistix 1066 memory that I run at 1128 on good timming to get a slightly higher bandwidth -depends on what you are looking for. If you run FSB above 450 your 6400 memory may not be capable of o/c to run 1:1 opr higher so you get 1066 memory - its all so cheap now why not just get the 1066 which you know is going to clock higher than the 6400 mermory. If its good quality o/c chips it will also run tight timmings at lower speeds.
Check the article I posted in a previus post re the techrepository o/c quide . It gives a detailed expanation on maximising FSB/BUS etc and a o/c speadsheet where you cen see what the actual speed /CAS response gains would be or not.
!