Dual 580s in SLI or 2 5870s in crossfire

[TUSA/TX-Gunslinger]

Originally Posted by Tree_UK

If its for running Cliffs Of dover then bear in mind that there is no information available as to whether the game will benefit to running SLI or crossfire, no testing as been done to date.

Concur - good info.

There's not a single propeller flight sim I'm aware of that benefits from SLI or Xfire. With the cost of the extra card - and the higher price motherboard (2X 16X PCI-E) you would be taking a huge risk.

Best advice is to wait until the product is delivered. If CoD runs out of the box on either Xfire or SLI then it will be the first. Otherwise you've spent a large amount of money on performance you'll never see.

I currently have a single 5870 I purchased more than a year ago. My MB is a Gigabyte with 1 16X slot and 1 8X slot. If by some miracle CoD is xfire compatible AND a second 5870 makes a significant difference in the eye-candy I can run in real time - then I'll find a second 5870 and get a new MB.

I really don't believe that will be the case however. I hope I'm wrong.

S!

Gunny

[Baron]

Sli/crossfire is supported in CoD hence u get more performance with 2 cards instead of 1. If anyone want an answer as to how much, feel free to wait till the game is released.


My guess its gonna get better with every new driver version. (if NVidia/AMD will bother with it that is)

[TUSA/TX-Gunslinger]

Originally Posted by Baron

Sli/crossfire is supported in CoD hence u get more performance with 2 cards instead of 1. If anyone want an answer as to how much, feel free to wait till the game is released.


My guess its gonna get better with every new driver version. (if NVidia/AMD will bother with it that is)

I hope your right - and I hope further it's not just SLI but Xfire too. I think your second point maybe the most significant in the actual interest AMD/Nvidea shows in the product line.

Hopefully CoD will see a bazillion copies and the world will be just perfect. On the other hand air combat sims don't seem to have benefitted from either technology.

Thanks btw for the 16X/8X info Baron.

S!

Gunny

Originally Posted by Baron

Sli/crossfire is supported in CoD hence u get more performance with 2 cards instead of 1. If anyone want an answer as to how much, feel free to wait till the game is released.


My guess its gonna get better with every new driver version. (if NVidia/AMD will bother with it that is)

Luthier said that SLI/Xfire was inconclusive at this time. Do you know something he doesn't? Did we miss an update?

Also, SLI/Xfire is for people who want to game at huge resolutions or on multiple monitors. A single card of the next generation will typically outperform 2 cards of the previous generation in an SLI/Xfire configuration, and do it cheaper as well.

Wait and see before you drop come coin!

Edit: Found the post by luthier http://forum.1cpublishing.eu/showpos...&postcount=241

Originally Posted by luthier

I don't understand the question about multi GPUs.

Of course they are supported! How can they be not?

Whether they offer any performance advantage is a different question, to which I don't have an answer at this time.

[Skoshi Tiger]

Originally Posted by speculum jockey

Luthier said that SLI/Xfire was inconclusive at this time. Do you know something he doesn't? Did we miss an update?

Also, SLI/Xfire is for people who want to game at huge resolutions or on multiple monitors. A single card of the next generation will typically outperform 2 cards of the previous generation in an SLI/Xfire configuration, and do it cheaper as well.

Wait and see before you drop come coin!

Edit: Found the post by luthier http://forum.1cpublishing.eu/showpos...&postcount=241

+1

Using the same reasoning SLI was supported with Il2, but many people reported issues with micro stutters which disapeared when SLI was disabled.

Until we get to test the sim nobody (except the development team) will be able to comment on the potential performance benifits or problems of SLI/crossfire setups with any degree of authority.

With a 5 year planned life for the system, waiting a month or so would seem prudent to me. Others may see it differently. You may need to buy it now! But remember that anyones advice regarding performance or issues with COD is based on guesswork at this stage.

Cheers!

[Biggs [CV]]

Look here: Click on multi GPU.

http://www.gpureview.com/show_cards....637&card2=613#

Originally Posted by Biggs [CV]

Look here: Click on multi GPU.

http://www.gpureview.com/show_cards....637&card2=613#

That's just showing us the hardware math, (memory bandwidty, core frequency, etc.) and not what they are going to do in COD. We're going to have to wait to see what hardware does what in-game.

[Baron]

Originally Posted by speculum jockey

Luthier said that SLI/Xfire was inconclusive at this time. Do you know something he doesn't? Did we miss an update?

Also, SLI/Xfire is for people who want to game at huge resolutions or on multiple monitors. A single card of the next generation will typically outperform 2 cards of the previous generation in an SLI/Xfire configuration, and do it cheaper as well.

Wait and see before you drop come coin!

Edit: Found the post by luthier http://forum.1cpublishing.es/showpos...&postcount=241

P.S. Note that i never said if the performace gain would be 1 fps or 100.

The reason Luthier cant awnser the "how much gain will Sli/crossfire give" is because A: the game aint finished. B: There isnt any Sli/crossfire profile for CoD out yet, since the game aint finished. C: Asking Oleg and team to run any kind of configuration under the sun to save us a buck is kind of crossing the line into lala land.If people want sli/crossfire to give a 100% boost i suggest you all contact NVidia/AMD right now and put the pressure on.

I would however be extremely surprised if at least Sli didnt get a boost since Oleg stated they worked with NVidia



Anyhow, i think we are digressing from the original question.

Originally Posted by Baron

P.S. Note that i never said if the performace gain would be 1 fps or 100.

The reason Luthier cant awnser the "how much gain will Sli/crossfire give" is because A: the game aint finished. B: There isnt any Sli/crossfire profile for CoD out yet, since the game aint finished. C: Asking Oleg and team to run any kind of configuration under the sun to save us a buck is kind of crossing the line into lala land.If people want sli/crossfire to give a 100% boost i suggest you all contact NVidia/AMD right now and put the pressure on.

I would however be extremely surprised if at least Sli didnt get a boost since Oleg stated they worked with NVidia



Anyhow, i think we are digressing from the original question.

You dont need driver support to test an SLI setup, you can create your own profile, the reason why the Devs have not done this is beyond me. However being that this is a very similar engine to Il2 the GPU will have little effect its the CPU that will show the biggest performance in game.

[JAMF]

Originally Posted by Tree_UK

... the reason why the Devs have not done this is beyond me...

How about utter lack of a multi-GPU system in their office or with beta testers? It's one possibility.