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8800gtx tri sli on q6600@3ghz

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  • Gtx
  • SLI
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Last response: in Graphics & Displays
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February 22, 2009 2:57:18 PM

please tell me that can q6600@3ghz handle 3x 8800 gtx tri sli??????????????????????????
my specs are:-
q6600 overclocked @ 3GHz 1.256V
cpu fan:- cnps9700
mobo:- asus p5n-t deluxe
2 x XFX 8800 gtx overclocked @ 630/1000
4 GB OCZ DDR2 SLI Ram @ 900 2.15V
1 x DVD RW
1 x floppy drive
1 x 320 GB Sata western digital hard disk
corsair TX-850 PSU

More about : 8800gtx tri sli q6600 3ghz

a b U Graphics card
February 22, 2009 3:28:05 PM

I can tell you anything you want. Whether you can support it depends on your motherboard not your processor. I think you're asking if your Q6600 will bottleneck three 8800GTX's in tri-sli. It depends on what you're doing on the computer, but at 3Ghz you should be fine.

Although, I think you'd be best to stay with two 8800GTX's until you're ready to upgrade to a new series of graphics card. I don't know how much more power you'll get out of one more 8800GTX. Seems like a waste of money to me, but I'm not a big gamer.
a b U Graphics card
February 22, 2009 3:51:49 PM

I think tri 8800gtx is overkill unless you play at 1920x1200 or over.
Your q6600 will slightly bottleneck it a little but no worries can you oc your cpu to 3.4ghz?
Related resources
February 22, 2009 3:54:25 PM

yes i can but what is the advantage of 3.4ghz???????????its only 400mhz more then 3ghz????????
a b U Graphics card
February 22, 2009 3:55:26 PM

q6600 at 3.4 GHz would barely be stable...that's a 1GHz OC on a quad core. >_>

His CPU even not OCed would still not bottleneck his current graphics cards. OCed to 3.0
and he won't bottleneck triple 8800GTXs.
CPU bottleneck is very rare - ie. pairing a Pentium4 with a GTX280, and usually only
happens at lower resolutions.
a b U Graphics card
February 22, 2009 3:59:08 PM

With higher clock speeds your min/avg fps would increase.
I have seen the q6600 hit 3.6-4.0ghz before it could run stable depending on temp and other various factors.
February 22, 2009 3:59:33 PM

Its about 13% increase which can give you a better edge, especially since 3 of almost any GPU can be bottlenecked ATM.

The higher you can go the better. I would say 3.2+. The more GPUs you add, the more CPU power you need, although at higher resolutions, the CPU power is minimal in certain games.
February 22, 2009 4:35:50 PM

got it sir !!!!!!!!!!!!!
February 22, 2009 8:31:52 PM

Bluescreendeath said:
q6600 at 3.4 GHz would barely be stable...that's a 1GHz OC on a quad core. >_>

His CPU even not OCed would still not bottleneck his current graphics cards. OCed to 3.0
and he won't bottleneck triple 8800GTXs.
CPU bottleneck is very rare - ie. pairing a Pentium4 with a GTX280, and usually only
happens at lower resolutions.


lolz! r u serious??? take a look at www.xtremesystems.org, 3.6 on air is very doable and very very stable. Plus to the OP going from 3 to 3.4ghz would make a very tangible difference to tri-sli performance, seeing as the extra card will add its own cpu overhead in the driver, which is substantial at the very least (sli is very cpu intensive).
a b U Graphics card
February 22, 2009 8:36:21 PM

OCing from 2.4 to 3.6 requires a significant voltage increase and a rise in CPU temperatures.

And your link is "xtreme systems" that does "xtreme OC." This type of high overclocking is really not recommended if you're not an OC expert.
February 22, 2009 9:40:45 PM

Bluescreendeath said:
OCing from 2.4 to 3.6 requires a significant voltage increase and a rise in CPU temperatures.

And your link is "xtreme systems" that does "xtreme OC." This type of high overclocking is really not recommended if you're not an OC expert.


The point here being that that forum is for overclockers, of all types. More terrestrial overclockers and also the super-duper crazy ones with water cooling, phase changing, or ln2, etc, etc. Threads on there go on for a couple of hundred pages easy and are packed with all the info one could ever need on oc'ing there particular cpu, the q6600 ESPECIALLY. 3.6 ghz is easy without crazy voltages and with a good heatsink (so on air). If you take the time to tweak and tune it doesnt have to be hot and scary stuff breaking 3.4ghz even. A minor vCORE bump and some extra northbridge and fsb termination voltage would do just fine, without frying anything or cutting the cpu or mobo lifespan down to months from years. Its not some strange elite forum for top-brass overclockers, its full of practical helpful advice and information on what others have done to achieve various oc's. A great RESOURCE all round.
February 22, 2009 9:59:07 PM

I have mine just above stock, and I have my Q9450 @ 3.7 ghz I only have to kill the voltage when i want 3.8 or 3.9 ghz.
February 22, 2009 10:24:11 PM

can your power supply handle the 3 cards i think 3 8800 gtx will need at least 1000 watts
February 22, 2009 10:42:37 PM

naw I think 850 and up should do it for 3 8800 GTXs. They consume around the same as the 280s. And I've seen 3 280s running on 850 watt PSus...though it is pushing it really close!
February 23, 2009 8:40:53 AM

shall i only overclock my q6600 to 3ghz????is that enough because i dont want to reduce life of my mobo specially
February 23, 2009 10:06:02 AM

Blue Screen Death. How ignorant can you be CPU bottleneck is not rare at all, in fact it is quite common, I mean what does toms own charts show.... if you had an oced q6600 with 295 quad and then took them out and put them with an 975/(965) you would see an obvious increase in fps especially in high gpu use games like crysis and far cry it does exist and in my opinion Tri sli in this case is a waste I mean he doesn't have a 30 and the Q660 will hold him back.
a b U Graphics card
February 23, 2009 12:21:00 PM

random1283 said:
Blue Screen Death. How ignorant can you be CPU bottleneck is not rare at all, in fact it is quite common, I mean what does toms own charts show.... if you had an oced q6600 with 295 quad and then took them out and put them with an 975/(965) you would see an obvious increase in fps especially in high gpu use games like crysis and far cry it does exist and in my opinion Tri sli in this case is a waste I mean he doesn't have a 30 and the Q660 will hold him back.


Uh, except for the fact that he doesn't have Quad GTX295s in SLi. He has two 8800GTXs in SLi and plans to get another.

There is a huge difference between quad GTX295s (basically 4 GTX260s), and 2-3 8800GTXs (basically 3 weaker versions of 9800GTXs).

And yes, I've seen Tom's own charts. Even when upgrading from a basic core2quad to an i7 quad, there isn't any significant fps increases unless the person is playing on very high resolutions. Getting a small 2-3 fps increase (which is what happens in the majority of situations) by OCing your CPU doesn't mean you had a CPU bottleneck.
February 23, 2009 12:24:08 PM

i overclocked my q6600 to 3.4ghz but i did not do any thing in vcore all are in auto in my bios then i ran OCCT for 2 hours on large data set and high piority !!! my cpu temps were maximum 55C even all 4 cores were less then 60C.my idle temps are (wait let me see....)ok!cpu temp is 35C and cores 43 43 38 39C..these all are on overclockes settings to 3.4ghz with vcore set to auto.......but my asus probe says that my vcore is at(wait let me see again)...ok! 1.30V..my mobo tem is 39C....i think i shall run prim95 all night long and still no errors i will keep vcore ,NB , SB volts all on auto just like it is now and cpu overclocked to 3.4Ghz
a b U Graphics card
February 23, 2009 12:26:19 PM

^ can't edit >_<

@random1283

And the higher resolution you go, the more GPU intensive games will be. If you want to see CPU bottleneck, then decrease your resolution to 800x600 and test the difference. Getting a small 2-3 fps increase (which is what happens in the majority of situations) by OCing your CPU doesn't mean you had a CPU bottleneck.
February 23, 2009 4:19:07 PM

BSOD, see thats where your wrong, CPU bottlenecking can happen even with 8800 GTX in sli depending on the game. Now he wants to add a 3rd, and thats basically as strong as 9800 GX2 quad, which is really bottlenecked.

Thats why every1 is telling him to push it higher if he grabs a 3rd one, because if there isn't bottlenecking now there will be with 3 cards.

Again your 2nd post, 2-3 fps? Are you kidding? 2 280s almost double in games for fps in situations where you switch to the i7s from a stock cpu, did you see Crysis?
CPU bottlnecking is very common, and don't tell me its because its 2 280s, because we're talkin about 3 8800 GTXs, which maybe be 15-20% slower, but there still is bottlenecking.

2-3 fps? NO I jumped from 60s to 80s when I oced my CPU from 2.6 ghz to 3.4, before in Crysis.
a b U Graphics card
February 23, 2009 6:29:10 PM

L1qu1d said:
BSOD, see thats where your wrong, CPU bottlenecking can happen even with 8800 GTX in sli depending on the game. Now he wants to add a 3rd, and thats basically as strong as 9800 GX2 quad, which is really bottlenecked.

Thats why every1 is telling him to push it higher if he grabs a 3rd one, because if there isn't bottlenecking now there will be with 3 cards.


Two 8800GTXs will not be bottlenecked by a Q6600 even running at the stock 2.4GHz for the vast majority of games. At 3.0GHz OCed, he should really have no problems running 3 8800GTXs. Pushing a stock 2.4 GHz to 3.6GHz is really not within a safe overclock limit for an OC newbie.


L1qu1d said:

Again your 2nd post, 2-3 fps? Are you kidding? 2 280s almost double in games for fps in situations where you switch to the i7s from a stock cpu, did you see Crysis?
CPU bottlnecking is very common, and don't tell me its because its 2 280s, because we're talkin about 3 8800 GTXs, which maybe be 15-20% slower, but there still is bottlenecking.

2-3 fps? NO I jumped from 60s to 80s when I oced my CPU from 2.6 ghz to 3.4, before in Crysis.



You have 3 GTX280s. A single GTX280 is at least 50% better than a single 8800GTX.

(considering the fact that a 9800GTX is slightly better than a 8800GTX, and the GTX260 is about 30% better than that, which i turn is trumped by maybe 20% by the GTX280)

Games today are mostly GPU dependent, but when a person has $1200 worth of graphics card like you do, then obviously the only way you're gonna get a fps increase is through the CPU. You really can't compare your super high end rig with triple GTX280s with a rig with 3 8800GTXs.

Your configuration is actually one that will be CPU dependent and CPU bottlenecked, considering your GPU is pretty much maxed out. His GPU system is nowhere near yours - even if he has a bottleneck, it's going to be totally insignificant because it will still be his GPU holding him back, not his CPU.

Finally, going from 60fps to 80fps produces barely noticeable difference in gameplay anyways.
February 23, 2009 6:43:36 PM

if your mobo has sli support than its fine, but dont overclock so much because your cpu wont last long with 3way sli. best leave at stock and youll be fine. Or better go better cards to go with 2 way sli.
February 23, 2009 6:51:33 PM

how can 9800gtx be faster then 8800gtx????????? 9900gtx has 384 bit whereas 9800gtx have 256 bit i also overcloked my 8800gtx to 630/2000/1400 and temps 57@ idle and 75-80 @ load on stock cooler
a b U Graphics card
February 23, 2009 7:38:26 PM

kayawish24 said:
how can 9800gtx be faster then 8800gtx????????? 9900gtx has 384 bit whereas 9800gtx have 256 bit i also overcloked my 8800gtx to 630/2000/1400 and temps 57@ idle and 75-80 @ load on stock cooler


Because benchmarks say so. ^_^
February 23, 2009 8:28:40 PM

alright lets look at what you said.

280 GTX = 150%
8800 GTX = 100%

If you noticed I was talking about 2 280s:)  Its in my post and your post with the quote.

2 280s = 300% (perfect scaling world)
2 8800s = 200%
3 8800s = 300% (again perfect scaling world for all)

so that means that the power according to you, is 3 8800s and 2 280s are about the same.

And ppl have seen that switching from current stock CPUs, to a higher powered i7 (which can be equivalent to a higher oced CPU for old gen) to double the performance in certain games.

So please don't come telling us in the forum that CPU bottlenecking doesn't exist in the 8800 GTXs, because the more GPUs you add, the more CPU power you'll need. 8800 GTXs aren't as weak as you make them out to be.

We're not here to debate my system, I clearly stated quad 9800 GX2 and 2 280s when tested. 2nd safe oc or not, this is opinons of ppl. Just because it can't be acheived as an OC by user doesn't make it false.

And lastly, you say that 60-80 doesn't have a noticeable difference in this case. Ok yes in my case it doesnt, but for other going frmo 40-60 it can. or 25 fps to 30 fps (which is playable vs unplayable). Remember that the OC of a cpu also helps with min frame rates. Look at GTA 4...does that use main GPU power? And its a really nice looking game!

So really I would say that 3.2 ghz is your safe zone especially for 3 way sli GTXs, since those are still considered beasts in today's market.

I would also like to add, that although generally speaking the 9800 GTx (GTX+) is better than the 8800 GTX, don't forget that it will loose when it comes to higher resolution, AA and high res textures.

I'm pretty sure if TGGA spots thread this he can enlighten alot better than the empty words we speak of right now.

I don't agree at all with BSOD, on this matter, any OC of the CPu frankly should help with fps when 3 cards are apart of the picture, especially at low resolutions



a b U Graphics card
February 23, 2009 9:54:56 PM

I mentioned 3 GTX280s because that's what you have in your sig. That was in response to you saying you jumped from 60 to 80 fps in Crysis.

For his rig, he'll see much less of an fps improvement.

I also said that the Q6600 OCed to 3.0GHz is good enough for 2 GTX280s or 3 8800GTXs without any real CPU bottleneck.

Frankly, a Core2Quad running at 3GHz really will not be bottlenecked to any noticeable degree, if at all - by running 3 8800GTXs.

It's all down to if he wants to risk shortening the life of his CPU or damaging his hardware by OCing to 3.6 for what would probably be a very small fps increase in his games...
February 23, 2009 10:02:33 PM

I'd say he's bound to see noticeable increase in min frames, increasing his experience with 3 8800 GTXs. Remember avg frames doesn't always speak. going from 3.0 to 3.6 is a 20% increase in CPU and can help alot.

How much life do you want in a CPU? I've had my 5000+ BE oced to 3.4 ghz ever since it came out. And that computer is on 24/7 with media center, recording and being surfed on with Antivirus check, defragmentation, video editing etc. I think its 3 years and counting I beleive:) 
a b U Graphics card
February 23, 2009 10:08:13 PM

L1qu1d said:
How much life do you want in a CPU? I've had my 5000+ BE oced to 3.4 ghz ever since it came out. And that computer is on 24/7 with media center, recording and being surfed on with Antivirus check, defragmentation, video editing etc. I think its 3 years and counting I beleive:) 


Well, you're probably an overclocking expert, or at least quite knowledgeable in it. =)

If he's new at this, he should start off slow...

February 23, 2009 10:15:52 PM

See thats where we agree:)  ^

But like I said, your right about his OC potential but you can always gain from more CPU power for min frame rates...trust me I would know, Quad 9800 GX2s in aug:S
February 24, 2009 12:09:50 AM

3 way 8800gtx is faster the 3 way 9800gtx
February 24, 2009 12:20:23 AM

no it isn't, they are about the same with the 9800 GTXs taking the lead most of the time. the 8800 GTX wins at higher resolutions generally and more AA. But thats not the case.

Don't forget that the 9800 GTX can OC alot more than the 8800 GTX can.
February 24, 2009 1:52:03 AM

regardless of how powerful various cards are there is alot of driver overhead for a single card, additional cards require additional cpu time taking resources away from the game engine. Not a whole lot of that area of windows is well threaded, so single thread speed is more important than one might think. Any game that streams content (just about any fps for example) will also place big demands on the cpu, memory and HDD. Especially so on games where the extra gpus of a sli/crossfire system can drive big game worlds with lots of characters, objects and textures, but only so long as the cpu can feed them the data. Im on a 2.87ghz core 2 duo with 4gb ram (cant oc further on this mobo with 2x2gb sticks), it bottlenecks the hell out of my 4870, a quick look at gpu usage in rivatuner will show me that, or when i downclock to the stock 1.86ghz games take a big big hit. The 1.01 ghz difference is worth 10fps in crysis, even standing still, let alone walking around shooting things. The same goes for farcry 2, both stalkers, GRiD, any UT3 engined game, blah blah blah.

The op went to 3.4ghz easily he said, very very believable imho, and despite what he thinks this wont kill his mobo or shorten its lifespan, especially if he works to find the lowest stable voltages manually. A 9x multiplier chip, so whats that, 380mhz fsb? that should be childsplay for any decent core 2 compatible mobo. I got a p5B deluxe, a very old 965 chipset mobo, and its doing 410fsb with just one extra tick on cpu vcore and .2 volts extra northbridge voltage, again just one tick up. All other voltages on stock, it just cant get past this fsb regardless of voltages and fiddling with the pci-e bus speed (95,99,100,101,102,105mhz, etc, dont help) with 2 2gb sticks in it, which werent even available at any speed when this mobo came out, yet it all hums together fine with north bridge temps under 30 celcius. The only thing getting warm on his board will be the VRMs, but nowhere near there limits.

@liquid [H] was pretty damning about tri-sli with the 9800gtx (AA took a big toll, dont think triple 8800gtx had such problems), would be interesting to see what its like now in the same tests with the 180 series drivers though.

Link: http://enthusiast.hardocp.com/article.html?art=MTQ5Niwx...
February 24, 2009 11:22:01 AM

can 384 bit and 256 bit make any difference in 8800gtgx and 9800gtx gpus????????and ofcourse what about the card memory 8800gtx is 768 mb abd 9800gtx is only 512 mb :( 
February 24, 2009 11:26:02 AM

card memory and bit matter in some cases, but the gains any losses of these cards make them equal. The ram will help you more with AA on the 8800 GTX, but in alot of cases if you have a card gettng 15 and another getting 7 because of ram limitations, it really doesn't make a difference. Its still unplayable. as for the bit difference the 8800 GTXs were trying to compensate for the GDDR3 speed (much like the 280s), but really at the speed the 8800 GTX runs for the GPU, it doesn't help it much against the newer generation when it comes to power, but it does prove to the public that it has a long life time:) 
February 24, 2009 1:08:12 PM

do you have any experience about asus p5n-t deluxe mobo????and q6600 cpu
September 28, 2009 9:29:41 PM

I have the 780i mobo you mention and also i have 3x 8800 GTx , with a cooler master 1250W psu which i was forced to buy for future updating, anyways with one card in crysis @ max with my res 1900x1080I i get 28 fps, with 2 cards 50 , with 3 cards 69to 75 depending area and map.

But for games like css and cod4 + cod5 having 3x 8800GTX still throws in a punch with 64bit os (windows 7) , latest nvidia drivers and ofc a gpu overclock on each card with , apropriate cooling, i have not seen anything to upgrade to , as 3x 8800GTX is perfect for me, with the 3d setting enabled in the nvidia contreol pabel in any of my games i have now cpu bottleneck , but rarly i get gpu bound , than cpu bound.

Also i overclocked my E6300 Pentium "wolfdale" from 2.8 to 5.2 GHZ, easy and this has provide me from a css stress test of 257 fps with 3x standard 8800gtx no overclock on cpu and gpu to 764fps average.
April 30, 2010 8:52:34 PM

Q6600 for SLI x3 is a joke. 3.0Ghz should be enough in my opinion, 3x8800GTX work like a gts 295 I believe. Get a better CPU is the best option, QX9xxx perfect for OC.
Just think the price of the 3 GPU, doesnt worth pay a good CPU and make the OC???...
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