Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > Crossfire on My x58 i7 Sli Board
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I have an EVGA X58 3x SLI i7 motherboard. First , if upgrade my 2gb Sparkle 9600 gt card to Crossfire Graphics cards, will I be able to do Tri Crossfire ? Second, the motherboard came with a ONE Dual (2 way) and ONE Tri (3 way) SLI bridges and Crossfire requires two bridges, not a single bridge like SLI. How do i solve this problem ? Finally is there any advantage or disadvantage to going Crossfire on my motherboard ?

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http://www.tomshardware.co.uk/foru [...] _15_0.html

"Can you use SLI on a CrossFire board or can you use CrossFire on a SLI board ?
Well , in general , the answer is NO. But it's said that if you hack the drivers , you can use SLI on a CrossFire board or CrossFire on a SLI board.
Caution:There is no guarantee that if you hack the drivers then you use SLI on a CrossFire Motherboard or CrossFire on a SLI board, so do it at your own risk!"

Reply to Maziar

yes i read all this .... it didnt answer my question .... i know i can do sli/crossfire on my x58 chipset .... my question is , can i do tri crossfire or only tri sli ?

Reply to tavernarijared

@Maziar: That is not true. You could not use Crossfire on Nvidia chipset based boards. Any X58 board will do Crossfire out of the box.

For tri Crossfire it is best to contact EVGA support and ask.

Reply to ainarssems

You can run 3 way Crossfire on that board fine.. though it will not be technically supported by evga (two way would) if you have problems, due to various marketing reasons.

 

All x58 boards support crossfire by default. The only reason SLI is a bit different is enabling that requires certification from Nvidia, and is not by default. Thus it is usually advertised separately.

 

Maziar.. you will have to update the FAQ to include info about the x58.


Message edited by daedalus685 on 09-21-2009 at 11:05:26 PM
Reply to daedalus685

If your using AMD cards, its called CF. If your using Nvidia cards like the OP, its called SLI. The OP would be wise to stop calling what he wants to do "CF", as he is looking to use tri-SLI.

Quote :

First , if upgrade my 2gb Sparkle 9600 gt card to Crossfire Graphics cards



Huh? What you wrote is impossible, see above. Its SLI, thats it.

I think the only Nvidia cards that allow tri-SLI are the 9800GT and above. I don't think you can do it with the 9600GT. Seeing as the 9600GT is a weak(er) card anyways I'd advise you to get a better single card. The GTS250, 9800GTX+, GTX260, 4870/4890 would all be a good idea.

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Reply to 4745454b

4745454b wrote :

If your using AMD cards, its called CF. If your using Nvidia cards like the OP, its called SLI. The OP would be wise to stop calling what he wants to do "CF", as he is looking to use tri-SLI.

Quote :

First , if upgrade my 2gb Sparkle 9600 gt card to Crossfire Graphics cards



Huh? What you wrote is impossible, see above. Its SLI, thats it.

I think the only Nvidia cards that allow tri-SLI are the 9800GT and above. I don't think you can do it with the 9600GT. Seeing as the 9600GT is a weak(er) card anyways I'd advise you to get a better single card. The GTS250, 9800GTX+, GTX260, 4870/4890 would all be a good idea.



The op already made a second post, it seems to me he understands what sli/crossfire are.. he simply wants to upgrade his slow 9600gt to something better.. an wants to know if he is limited to nvidia, or if crossfire will work.

He is not asking if he can 'crossfire' a 9600gt.

Reply to daedalus685

To add to the OP's additional question.. Crossfire bridges come with the cards.

Reply to daedalus685

Yes Crossfire and Sli are the same thing .... CROSSIRE is for ATI and SLI is Nvidia and the only reason they are seperate is to make more money .... So both companies wanna be exclusive so you have to buy there products .... As Amd and Ati are both owned by the same company .... I called EVGA and there rep wasnt sure ... he said for a fact it would support tri sli .... and my board came with a tri sli bridge and it has two inserts for each card as required for crossfire and sli .... So I understand how the tech works .... I just need to know if the x58 board will support 3 way crossfire ... and is there any advantage or disadvantage to going one way or the other ..... EVGA rep said to goto this website and compare http://www.hwbot.org/ and i did and the Nvidia cards are getting much better bench marks then the Ati cards..... the ati hd 4870 is a top of the line ATI card and the GTX 260 has higher benchmarks ..... and the 260 is and nvidia still has many better cards then this ..... My choice is to go with three NVIDIA GTX 260's ... what is a recommended power supply for this because each card requires two 6pin pci connectors from the PSU .... Which means i need 6 six pin connectors ....any suggestions ? and how many watts would it take to run 3 of these cards ?

Reply to tavernarijared

about 750 -900 wats? i suppose. but itd be a damn good power supply to power 3 gtx 260s as only sli gtx 260s are taking up a good portion of my 750w psu

Reply to lilotimz

tavernarijared wrote :

Yes Crossfire and Sli are the same thing .... CROSSIRE is for ATI and SLI is Nvidia and the only reason they are seperate is to make more money .... So both companies wanna be exclusive so you have to buy there products .... As Amd and Ati are both owned by the same company .... I called EVGA and there rep wasnt sure ... he said for a fact it would support tri sli .... and my board came with a tri sli bridge and it has two inserts for each card as required for crossfire and sli .... So I understand how the tech works .... I just need to know if the x58 board will support 3 way crossfire ... and is there any advantage or disadvantage to going one way or the other ..... EVGA rep said to goto this website and compare http://www.hwbot.org/ and i did and the Nvidia cards are getting much better bench marks then the Ati cards..... the ati hd 4870 is a top of the line ATI card and the GTX 260 has higher benchmarks ..... and the 260 is and nvidia still has many better cards then this ..... My choice is to go with three NVIDIA GTX 260's ... what is a recommended power supply for this because each card requires two 6pin pci connectors from the PSU .... Which means i need 6 six pin connectors ....any suggestions ? and how many watts would it take to run 3 of these cards ?



Umm.. no they are not the same thing.. at all. They work totally differently, require different hardware and connections, and different software... though the result is still "I can use a couple pf cards together."

I would recommend you do a lot of research before you drop any money into this as you don't seem to understand the tech very well.

By the by.. the 4870 is not the top of the line ati.. the 4870x2 and 4890 are (were) though tomorrow (perhaps) the 5000 series will be out which will be roughly twice as fast down the line.

The board will support crossfire as it is an x58 board.. It will also support SLI because it has the added support and certification for that...

To power 3 cards would require something on the lines of 800Watts... Though if you plan to overclock.. or have a hefty system in other areas 1000 would be better.. Something from corsair or PC power and cooling.

Reply to daedalus685
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Dude, you should really wait for the HD5800 series to come out tomorrow and see if you can afford them. I believe the 5870 is going to be around $400 but i could be wrong.

Reply to bige420

well the idea is the same is what i meant by they are the same .... crossfire and sli just for different manufactures .... and comparing nvidia to ati ... nvidia has better speeds for majority of there bechmarks on the website i posted. For example, the GTX 280 is about the same as the as 4870x2 ... but the overclock is high with nvidia ....

Reply to tavernarijared

well if a new card comes out ... older ones should go down in price ..... which will be to my advantage

Reply to tavernarijared
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daedalus685 wrote :

Umm.. no they are not the same thing.. at all. They work totally differently, require different hardware and connections, and different software... though the result is still "I can use a couple pf cards together."

I would recommend you do a lot of research before you drop any money into this as you don't seem to understand the tech very well.

By the by.. the 4870 is not the top of the line ati.. the 4870x2 and 4890 are (were) though tomorrow (perhaps) the 5000 series will be out which will be roughly twice as fast down the line.

The board will support crossfire as it is an x58 board.. It will also support SLI because it has the added support and certification for that...

To power 3 cards would require something on the lines of 800Watts... Though if you plan to overclock.. or have a hefty system in other areas 1000 would be better.. Something from corsair or PC power and cooling.



bige420 wrote :

Dude, you should really wait for the HD5800 series to come out tomorrow and see if you can afford them. I believe the 5870 is going to be around $400 but i could be wrong.



You both should edit your message to include if 5xxx series comes out tomorrow, not when. Now the 5xxx series should be released prior to the release of windows 7 on Oct 22, with the strong possibility of it being tomorrow.

Reply to Suzaku

So final question will ATI'S 3 WAY CROSSFIRE WORK OR NOT ? I am more then like going with 3 NVIDIA GTX 260'S and the CORSAIR CMPSU-1000HX and I already have an i7 with 12 gb ddr3 tri channel .... with thermaltake V1 and i will have a nice little system running .....

Reply to tavernarijared

another question will i be able to use my pci slots with TRI SLI ? i dont think so but thought i would ask and mention that i am overclocking my pc 2.2 and 1600mhz on my ram .... will the corsair handle this goodness ?

Reply to tavernarijared

exscuse me 4.2ghz from a stock 2.66 i7 920

Reply to tavernarijared

The older ones will not drop in price all that quickly as nothing of equal performance will be out for a bit.. just the high end cards to start.

Nvidia is not as far ahead as you seem to think, but in general their cards do tend to be a tad faster (for now).. though more often than not more expensive.

However.. you cannot use single card performance as your guide since you plan to buy three. this changes things a lot.

If you plan to overclock three 4890's would be the best bet.. but there is no point in spending that much given they will be half as powerful as the cards that will be released in the next couple of days.

You example is rather flawed.. the 280 was never considered close to the 4870x2.. though neither are produced any more so the point is moot.

Remember.. scaling is a huge factor with crossfire/sli.. If you really want to buy three 260's.. keep in mind they will cost a good deal more than what a single 5870 would cost.. and still bring all of the disadvantages SLI/cf brings.. with no real performance leap. Three way SLI/CF is really only useful for extreme rigs.. all current of which will be obsolete in a week.

I can't in good conscience recommend building a three way GPU setup with last generation cards.. it would be gratuitous waste of money.. even if the cards are halved in cost with the new generation.. which they will not be.

Reply to daedalus685

All of the slots will be covered with triple sli. Crossfire should work without a problem.. but it may not be officially supported.

 

To Suzaku.. the release is this week. Whether it turns out to be a paper launch or not we will find out. If you had read my post I do include the word perhaps.. which last I checked is synonymous with your use of if..

 

Your ram has nothing to do with SLI.. Your CPU is fine... though again.. it is silly to spend close to $200 per card on a setup that is equaled by a $300 single card. Just give it a wait to see what comes out in the next weeks before you blow that much money. Becaues the 5870 will probably be released at the 300ish price point I would not expect teh 260's to get much cheaper.. only the 285's, 295's and perhaps the 275. (and of course ati's equivalents)


Message edited by daedalus685 on 09-22-2009 at 02:54:52 AM
Reply to daedalus685
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whoops I must have skipped over the parenthesis.
My apologies...


Message edited by Suzaku on 09-22-2009 at 03:07:10 AM
Reply to Suzaku

i am looking at price/performance ratio .... best 3 cards for my money ....

Reply to tavernarijared
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Which might be 5850, or maybe 5870....

Reply to Suzaku

tavernarijared wrote :

i am looking at price/performance ratio .... best 3 cards for my money ....



The performance with crossfire/sli is not linear. You lose price/performance each time you add a new card. You will probably never be able to build a triple SLI/Crossfire setup that has better price/performance than an alternative.. you should only really look at triple SLI if you want to increase performance regardless of price.. though sometimes double GPU solutions are better price/perf (such as two 4850's was for quite a while).

Regardless of all that.. it is entirely possible that the 5870 would be nearly as fast as triple SLI 260s.. and even if the 260's reduce in price to $125 the 5870 would be $75 less at launch, discounting all of the other features being added with the new generation. With a new generation it is rare for something in the old generation to maintain a lead in price/perf.. I can't see that changing.. as even if 3 260's are a good bit better.. the mid range 5000 series cards that will hit a bit later will stomp all over them as far as price, power requirements, features.. etc.

There will be a market for cheep single 260's etc no question.. but as far as such a high end configuration goes.. there is no point it getting out dated tech.

Reply to daedalus685

yeah well thats what i wondering i am either going to go with 3 4870's or 3 260's and price wise the 4870's are better and they have ddr5 ....

Reply to tavernarijared

tavernarijared wrote :

yeah well thats what i wondering i am either going to go with 3 4870's or 3 260's and price wise the 4870's are better and they have ddr5 ....



DDR5 does not make a difference as the 260 has twice as wide of a bus..

Reply to daedalus685
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ainarssems wrote :

@Maziar: That is not true. You could not use Crossfire on Nvidia chipset based boards. Any X58 board will do Crossfire out of the box.

For tri Crossfire it is best to contact EVGA support and ask.



did u read what i said ? i said u can't use CrossFire on a SLI board like Nvidia 680i/780i etc.
X58 is different,u can use both SLI and CrossFire on it

Reply to Maziar
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