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SLI vs CF which is better supported.

Born_2_Kill_83

Born_2_Kill_83

Born_2_Kill_83

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I don't get much time to game these days but when I do I like to use all of the power my rigg has to offer, the last few titles I have been interested in haven’t supported crossfire, which leaves me playing with FPS that a rigg costing half of mine could achieve.

As a general rule which manufacture AMD/Nvidia support the greater amount of titles for using more than one GPU.

Farcry 4 I had to play the game at 30FPS and now Dying light, getting sick of this AMD, but is the grass any greener?
 
ive ran crossfire and sli and no the grass is not greener on the other side, both can have there problems if pushed i would say crossfire is better as i dont think sli support has been that great latley
 
Neither is perfect, SLI traditionally was the better supported but there is much less in it these days. I'd say go with whichever brand your most familiar with.

I believe SLI exposes more still through programs like nvinspector which can help a lot if your willing to get your hands dirty and do some lower level tweaking but is still far from a guarantee you will get results.
 
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Born_2_Kill_83 said:
I don't get much time to game these days but when I do I like to use all of the power my rigg has to offer, the last few titles I have been interested in haven’t supported crossfire, which leaves me playing with FPS that a rigg costing half of mine could achieve.

As a general rule which manufacture AMD/Nvidia support the greater amount of titles for using more than one GPU.

Farcry 4 I had to play the game at 30FPS and now Dying light, getting sick of this AMD, but is the grass any greener?
Click to expand...

Just to let you know our next driver will have a Crossfire profile for both of these games. Ubisoft have fixed the issue which prevented us from enabling Crossfire.

Dying light should work well with a custom Crossfire profile of AFR Friendly or 1x1 Optimize in the meantime.

Probably worth mentioning that both of these titles are GameWorks.
 
Keep in mind them two games you playing are both Nvidia titles.. FC4 wasn't AMD fault either.. Ubisoft had to patch the game which they did with 1.7 to now support Crossfire.. You now need to wait on the latest driver for these games..

This isn't always the case though, Shadow or Mordor supported Crossfire before SLI and that is also an Nvidia title.

It swings both ways tbh
 
old gamer said:
ive ran crossfire and sli and no the grass is not greener on the other side, both can have there problems if pushed i would say crossfire is better as i dont think sli support has been that great latley
Click to expand...
Crossfire and SLI generally scale and support equally well or poor on AMD game titles, whereas for Nvidia GameWorks titles, it is usually the case of either Crossfire being hopelessly lacking in support in contrast to SLI works fine, or both Crossfire and SLI support and scaling being non-existence.
 
I would say crossfire is more flexible re compatibility, though I can't comment on anything else to do with it as I haven't run a dual gpu set up for ages.
 
I already had both and no major problems, the only problem I'm having at the moment is when I try to overclock, usually mixing brads is not a problem, but I'm having a problem when overclocking.
Before I always had the same card/brand and never ran into major issues.

SLI you need the same model of the card like GTX 980 only SLI with GTX 980 as per AMD you need to have the same series like you can Crossfire a 290 with a 290X.
 
layte said:
Crossfire does not work in window or full screen window mode. Which is a show stopper for me.
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Actually that is not true for SLI either.

Not all games support SLI on window mode either, and those that do, you are looking for a hefty performance hit compared to full screen mode.
 
Panos said:
Actually that is not true for SLI either.

Not all games support SLI on window mode either, and those that do, you are looking for a hefty performance hit compared to full screen mode.
Click to expand...

From my experience its very rare for a game that supports SLI not to work in window mode - windowed mode often has a bit of a performance hit anyhow its not something down to SLI once you drop out of exclusive mode your not going to get the same performance regardless.
 
Panos said:
Actually that is not true for SLI either.

Not all games support SLI on window mode either, and those that do, you are looking for a hefty performance hit compared to full screen mode.
Click to expand...

I've yet to encounter a game that works in full screen but not windowed mode in the many years I have been using SLI. Very little if any performance hit either.
 
Panos said:
Actually that is not true for SLI either.

Not all games support SLI on window mode either, and those that do, you are looking for a hefty performance hit compared to full screen mode.
Click to expand...

I haven't found a game that doesn't run in SLI in windowed mode. A performance hit for sure but still far better than a single card by a long way. It does appear that nVidia are the better for getting SLI working over AMD getting Crossfire working. I had to help someone earlier to get Crossfire working in Elite Dangerous, as AMD still don't have a Crossfire profile out and even with the fix, it gives flickering effects, whereas nVidia have had SLI working since I got the game on release back in early December (and possibly before that?).
 
I know from when I had SLI you can update SLI profiles anytime without having to wait for new drivers.
I think with AMD you have to wait for drivers to get new profiles? I could be wrong though.
 
no_1_dave said:
I know from when I had SLI you can update SLI profiles anytime without having to wait for new drivers.
I think with AMD you have to wait for drivers to get new profiles? I could be wrong though.
Click to expand...

No for awhile now you can add your own profiles to games on amd if that's what you mean. Hardocp gave Amd a really hard time for cf stuttering. As of xdma cf on the 290 they recon it's now better than sli for smoothness. Amd have done wonders in the last year to cf technology. I am not going to say it's better than sli but I think it's definitely on par these days. You can almost thank Nvidia for that with there fact technology which is now working against them now and them.
 
Gregster said:
I haven't found a game that doesn't run in SLI in windowed mode. A performance hit for sure but still far better than a single card by a long way. It does appear that nVidia are the better for getting SLI working over AMD getting Crossfire working. I had to help someone earlier to get Crossfire working in Elite Dangerous, as AMD still don't have a Crossfire profile out and even with the fix, it gives flickering effects, whereas nVidia have had SLI working since I got the game on release back in early December (and possibly before that?).
Click to expand...

AMD is much more flexible on what GPU you can mix, where Nvidia its not.. Can you match a 970 with a 980?? can I match a 290 with a 290x?

etc

You then have with the R9 series no Cable again giving you much more freedom over your GPU spacing.. You can also go into more detail that AMD also work on PCI 4x speed again giving the user more freedom..
 
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