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How good is SLI?
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007.SirBond
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Default How good is SLI? - 10-03-2013, 03:31 | posts: 180

I've heard that SLI isn't good for all games, some titles are not optimized and relies completely on driver support in order to have SLI truly improve performance.

Does that mean that even if I get support, only new games will have SLI support and older and not as popular titles will get shafted and probably not benefit from SLI?

Can anyone shed light on this?
   
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Spets
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Default 10-03-2013, 04:22 | posts: 1,933

It depends on the developers, if they add multi-GPU support to the games then SLI works very well. If not then Nvidia tries to do what they can through driver support which might not make the best use of running SLI. I'd say majority of latest games have pretty decent support, you can always PM -TK- or Veteran, they've been running SLI for a very long time.
   
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Agent-A01
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Default 10-03-2013, 05:06 | posts: 6,206 | Location: USA

Cant really think of any games from the past few years that ive had issues with sli. Id say sli will be beneficial for you in the majority of cases for games that are somewhat recent(2007ish and on)
   
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shamus21
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Default 10-03-2013, 05:57 | posts: 12

RAGE is one example.
   
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HeavyHemi
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Default 10-03-2013, 06:25 | posts: 3,480 | Location: Wooing whilst wearing only socks.

Quote:
Originally Posted by 007.SirBond View Post
I've heard that SLI isn't good for all games, some titles are not optimized and relies completely on driver support in order to have SLI truly improve performance.

Does that mean that even if I get support, only new games will have SLI support and older and not as popular titles will get shafted and probably not benefit from SLI?

Can anyone shed light on this?
The games that do not run well with SLI, you can count pretty much on one hand. And of course, you can always set the game to run single GPU in the Control Panel.
   
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---TK---
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Default 10-03-2013, 11:16 | posts: 17,873 | Location: New Jersey, USA

Quote:
Originally Posted by 007.SirBond View Post
I've heard that SLI isn't good for all games, some titles are not optimized and relies completely on driver support in order to have SLI truly improve performance.

Does that mean that even if I get support, only new games will have SLI support and older and not as popular titles will get shafted and probably not benefit from SLI?

Can anyone shed light on this?
I been sli ing since the 7800gt series. I really cannot pinpoint any games that did not work with sli, but they are few and far between. Games that do not support sli will generally work on 1 gpu no problem.
   
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Loophole35
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Default 10-03-2013, 11:38 | posts: 5,151 | Location: FLA,USA

Quote:
Originally Posted by shamus21 View Post
RAGE is one example.
Assassins Creed 3 has negative scaling.
   
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PhazeDelta1
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Default 10-03-2013, 12:10 | posts: 13,004 | Location: USA

SLI ain't too bad. There are a couple games I play that don't work properly with it. It's easily fixed by just disabling it. But for the most part, it works.
   
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Netherwind
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Default 10-03-2013, 16:28 | posts: 1,023 | Location: Sweden

Quote:
Originally Posted by shamus21 View Post
RAGE is one example.
There were issues when the game was launched but they are gone. Tried playing some RAGE a few months ago with no issues at all. Smooth 60fps across the board.

I concur with previous posters that SLI works amazingly well in almost all cases.
   
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Shadowdane
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Default 10-03-2013, 17:24 | posts: 791 | Location: Virginia

Yah RAGE runs fine but it still doesn't support SLI... it just runs on a single GPU.

But I haven't run into any games as of lately that haven't had SLI support or gotten it very quickly with a driver update.
   
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Pete J
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Default 10-03-2013, 19:16 | posts: 151 | Location: Blighty

I've always found SLI to work very well since owning a couple of GTX 260s a few years ago. Even when a new game comes out and is not SLI supported yet, you can play around in the control panel with the various modes and find something that works.

The only game I can recall having difficulty with in SLI is Tomb Raider with TressFX enabled - it'd cause the hair to flicker.
   
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Veteran
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Default 10-03-2013, 23:20 | posts: 9,815 | Location: United kingdom

In general SLI has worked pretty ok for me since the Voodoo 2 days. Yeah there have been bad drivers now and again but generally all is good. If your thinking of going SLI then do it, you wont be dissapointed.
   
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clawhamer
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Default 10-04-2013, 09:05 | posts: 2,172 | Location: canada

How good is SLI?

Just as good as a single card here, but with the ability to run smoother with even higher graphics settings. Be realistic and don't always expect perfect day one game release drivers and\or game support; understand it may take a bit of time for both the driver team and game devs to get things ironed out and you'll be fine.

Generally, SLI users that cry about not having perfect support when a game releases, shouldn't be using such setups.
   
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Netherwind
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Default 10-04-2013, 12:42 | posts: 1,023 | Location: Sweden

Quote:
Originally Posted by Shadowdane View Post
Yah RAGE runs fine but it still doesn't support SLI... it just runs on a single GPU.
I didn't know that :o
   
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HellSpawn2097
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Default 10-06-2013, 07:47 | posts: 97 | Location: Langemark Poelkapelle(W-VL]

SLI running here on a GTX295, beats regular GTX650 if SLI is running properly.
I had CF earlier, but SLI scales better with better driver support from NV.
   
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aayman_farzand
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Default 10-06-2013, 16:44 | posts: 782

In my case, games that don't support SLI porperly run with pretty high FPS with one GPU maxed out. So I don't mind disabling a card for that particular game.
   
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ARMYguy
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Default 10-07-2013, 04:06 | posts: 644 | Location: Cleveland Ohio

I just sold my 670 4gbs in SLI and went back to a 480, because all the games I play now don't even support SLI, company of heroes 2, rome 2, planet side 2 does, but runs far worse than with it off. Your mileage will vary.
   
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drac
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Default 10-07-2013, 05:36 | posts: 1,335 | Location: Australia, QLD

Quote:
Originally Posted by Pete J View Post
I've always found SLI to work very well since owning a couple of GTX 260s a few years ago. Even when a new game comes out and is not SLI supported yet, you can play around in the control panel with the various modes and find something that works.

The only game I can recall having difficulty with in SLI is Tomb Raider with TressFX enabled - it'd cause the hair to flicker.
Not sure if your about to change out your CPU, but 3x 780 with an i7 920 is a rather large CPU bottleneck. That just surprises me lol.
   
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drbaltazar
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Default 10-07-2013, 15:42 | posts: 416 | Location: french part of america

Your bottleneck is at CPU yes ,this being said;it isn't exactly the CPU s fault.everything is MSI starved.(interrupt.)
   
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Baldassano
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Default 10-07-2013, 15:49 | posts: 131 | Location: Lindenhurst, NY

I have had Generations of SLI, 8800, 280, 480, now 680 Classifieds.. SLI works Very well, especially in truly intensive games (BF4?).. Thankfully they finally were able to have SLI work on Dual Monitors.. but the only limitation i hate is that SLI only uses the memory on 1 card, so instead of 8gb i only have 4.. c`est la vie
   
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Mda400
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Default 10-07-2013, 16:05 | posts: 373 | Location: Minnesota

Quote:
Originally Posted by ARMYguy View Post
I just sold my 670 4gbs in SLI and went back to a 480, because all the games I play now don't even support SLI.
I'm sorry... I was reading along, but:

Sold two 670's for an older 480?

Whats a matta wif you?

A 480 is a bit slower than a 660 and you sold both higher end 670's for a 480..

If you think that a 480 was worth two 670's, I would've traded...

Last edited by Mda400; 10-17-2013 at 05:23.
   
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StealBalls
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Default 10-07-2013, 16:17 | posts: 649 | Location: W.A.K.T

Once they resolved the VSYNC issue with the 680 series I had an absolutely excellent experience.

However next time around when I got Titan SLI, I was stuck on the 314.22 drivers for a very long time, in fact, I never got off them, so I sold that rig and purchased this one, and I am still having an unpleasant experience.

So to conclude, I think SLI is cracking, I think the problem now is actually just Nvidia and there drivers, I may have left AMD at the wrong time, IMO, it has been literally YEARS since there has been such excellent value cards and that is currently in the form of the 7970/7990 cards.

Simply astonishing, at least when compares with like Nvidia cards.
   
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drbaltazar
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Default 10-07-2013, 16:19 | posts: 416 | Location: french part of america

I don't know about the gram problem but I wouldn't be surprised its caused also by MSI in some twisted way.since I don't use sli r crossfire I lo let you guys find out.
   
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Barry J
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Default 10-07-2013, 18:18 | posts: 1,621 | Location: Ipswich UK

First time with SLi running 2 GTX 660ti windows 8 I love it a all my games work I was expecting a few problems but got none will defiantly get another sli setup when I eventually need to upgarde
   
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Agent-A01
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Default 10-07-2013, 18:51 | posts: 6,206 | Location: USA

Quote:
Originally Posted by StealBalls View Post
Once they resolved the VSYNC issue with the 680 series I had an absolutely excellent experience.

However next time around when I got Titan SLI, I was stuck on the 314.22 drivers for a very long time, in fact, I never got off them, so I sold that rig and purchased this one, and I am still having an unpleasant experience.

So to conclude, I think SLI is cracking, I think the problem now is actually just Nvidia and there drivers, I may have left AMD at the wrong time, IMO, it has been literally YEARS since there has been such excellent value cards and that is currently in the form of the 7970/7990 cards.

Simply astonishing, at least when compares with like Nvidia cards.
Too bad ive never had any issues with 680 sli or titan sli with the *terrible* drivers
   
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