Convince me not to SLi 1080 Ti

Should I SLi 1080 Ti

  • Yes, FOR SCIENCE!

    Votes: 16 20.5%
  • Yes, BECAUSE YOU CAN!

    Votes: 27 34.6%
  • No, SLi SUCKS!

    Votes: 9 11.5%
  • No, SLi IS NOT SUPPORTED AND DYING!

    Votes: 26 33.3%

  • Total voters
    78
Upcoming/Recent Releases 2017
--------------------------------------------------------------
Unreal Engine 4.15 HDR, SLI .. could be implemented in a lot of UE4 games
Final Fantasy XV development showcased 1080 sli

Unity Engine now has support for VRWorks, suppors VR SLI and More March 17, 2016 <-- tweaktown
GDC 2016: Unity Game Engine to Add VRWorks Support <- nvidia blogs
(recent unity games with potential? .. P.A.M.E.L.A. , Vikings:Wolves of Midgard, Syberia 3, System Shock remake, Strafe)

Mass Effect Andromeda ... SLI confirmed by Dev
MiddleEarth: Shadow of War (SLI likely since Shadow of Mordor had it)

Prey:Arkane ... CryEngine , so potentially SLI support.. nothing confirmed
..................." it’s a different engine so the constraints are different. In the case of Dishonored 2 we created a new engine really, even though it’s based on idTech most of it has been redone. In the case of Prey we’re using CryEngine and it’s an engine that’s already shipped stuff before, so it’s not the same configuration. "
..................

Warhammer 40k (sli manual methods, UnrealEngine 4 game has sli potential in new UE4 HDR/SLI)
Resident Evil 7 (sli manual method working, last several RE's had sli patched in so potentially dev patched)
Conan Exiles -Early Access- (manual sli fix.. UnrealEngine 4 game, could implement new SLI and HDR UE framework)
Tekken 7 ... UnrealEngine 4 game so has sli potential
Dead Island 2 ... UnrealEngine 4 game

Dead Rising 4 (sli patched/nvidia driver support ... state of game??)

South Park: The Fractured But Whole .. same Snowdrop Engine as Tom Clancy's: The Division which supports SLI

Sniper Ghost Warrior 3 .. CyrEngine
..................................(beta version.. CI Games Dev "Chatia" : We're working on providing the SLI support to the game.)
..................................http://www.tweaktown.com/news/55090/ghost-sniper-warrior-3-multi-gpu-support-dx12/index.html

Ghost Recon: Wildlands ... official SLI support by devs , ongoing via patches (latest early march 2017)
...........
Patch 1.1.5 notes are below, and the update is around 4GB depending on your client.
  • Multi-GPU improved support: Worked with partners to improve both SLI and Crossfire support. Various stuttering and graphical corruption issues have now been fixed.
  • Quad-core CPUs improved support:Several freezes and performance issues have been
The Surge ... Deck 13's proprietary "Fledge Engine" .. ???

Dirt 4 .....http://wccftech.com/dirt-4-appears-nvidia-drivers-sli-3d-support-announcement-incoming/
.............http://www.dsogaming.com/news/dirt-...rs-rated-excellent-for-3d-vision-sli-profile/
............

Amended list from prior reply..
Upcoming/Recent Game Releases 2017
--------------------------------------------------------------
Unreal Engine 4.15 HDR, SLI .. could be implemented in a lot of UE games
Final Fantasy XV development showcased 1080 sli

Unity Engine now has support for VRWorks, suppors VR SLI and More March 17, 2016 <-- tweaktown
GDC 2016: Unity Game Engine to Add VRWorks Support <- nvidia blogs
(recent unity games with potential? .. P.A.M.E.L.A. , Vikings:Wolves of Midgard, Syberia 3, System Shock remake, Strafe)

Mass Effect Andromeda ... SLI confirmed by Dev
MiddleEarth: Shadow of War (SLI likely)

Prey:Arkane ... CryEngine , so potentially SLI support.. nothing confirmed
..................." it’s a different engine so the constraints are different. In the case of Dishonored 2 we created a new engine really, even though it’s based on idTech most of it has been redone. In the case of Prey we’re using CryEngine and it’s an engine that’s already shipped stuff before, so it’s not the same configuration. "
..................

Warhammer 40k (sli manual methods, UnrealEngine 4 game has sli potential in new UE4 HDR/SLI)
Resident Evil 7 (sli manual method working, last several RE's had sli patched in so potentially dev patched)
Conan Exiles (manual sli fix.. Unreal Engine 4 game, could implement new SLI and HDR UE framework)
Tekken 7 ... UnrealEngine 4 game so has sli potential
Dead Island 2 ... UnrealEngine 4 game

Dead Rising 4 (sli patched/nvidia driver support ... state of game??)

South Park: The Fractured Bu Whole .. same Snowdrop Engine as Tom Clancy's: The Division which supports SLI

Sniper Ghost Warrior 3 .. CyrEngine
..................................(beta version.. CI Games Dev "Chatia" : We're working on providing the SLI support to the game.)
..................................http://www.tweaktown.com/news/55090/ghost-sniper-warrior-3-multi-gpu-support-dx12/index.html

Ghost Recon: Wildlands ... official SLI support by devs , ongoing via patches (latest early march 2017)
...........
Patch 1.1.5 notes are below, and the update is around 4GB depending on your client.
  • Multi-GPU improved support: Worked with partners to improve both SLI and Crossfire support. Various stuttering and graphical corruption issues have now been fixed.
  • Quad-core CPUs improved support:Several freezes and performance issues have been
The Surge ... Deck 13's proprietary "Fledge Engine" .. ???

Dirt 4 .....http://wccftech.com/dirt-4-appears-nvidia-drivers-sli-3d-support-announcement-incoming/
.............http://www.dsogaming.com/news/dirt-...rs-rated-excellent-for-3d-vision-sli-profile/



Most Played Games 2016 (general)
-----------------------------------------------------

CS:GO
World of Warcraft ....SLI
Dota 2
Overwatch .... SLI
Hearthstone
League of Legends
Far Cry Primal ... SLI
Euro Truck Simulator ......
Tom Clancy's The Division ... SLI

Steam's Most Played 2016
---------------------------------
Dota 2........
CS:GO.......
Team Fortress 2 .............
Grand Theft Auto V ......... 2560 x1440 ~ 65% increase, 4k 53% increase
Civilization V SLI ... ......... 2560 x1600 .. 70 to almost 100% scaling
No Man's Sky ................ console port w/ poor optimization in general, patches, issues
........................................reddit user 'how to' sli after nvidia driver release support .. planned fixes by developer stated Dec 2016
XCOM 2 .......................... SLI here originally manually and later officially in patch nov 2016
Dark Souls III .................. SLI profile day 1. dsogaming post patch "SLI scaling was amazing and we did not notice any stutters while gaming" . "fps to be essential in such a game. Therefore, those interested in such high resolutions will need to invest in a high end sli system"
Paladins.......

Peak Player Count Steam
------------------------------
Dota 2
CS:Go
No Man's Sky
XCOM 2
Dark Souls III
Paladins (overwatch-like free to play)

Selection of games from Metacritic Top PC games 2016
----------------------------------------------------------------------------------

Witcher 3: Blood and Wine SLI 64%+ scaling (hairworks disabled)
Overwatch SLI
Dark Souls III SLI
XCOM 2 SLI
Civilization VI SLI, CPU bottleneck .. e.g. here.. 780ti 54fps.. 780ti sli 92fps .. gtx 1080 single, 980 sli, 1080sli all 92fps.
Battlefield 1 SLI , scaling varies from patch to patch
World of Warcraft Legion SLI
Forza Horizon 3 - nope
Rise of the Tomb Raider SLI - great scaling
Total War: Warhammer SLI , small scaling .. examples
Dishonored 2 general performance issues being patched out.. SLI working official patch
F1 2016 ... general bugs in game. crossfire officially, no sli officially
Titanfall 2 ... originally - Titanfall 1profile works... some flicker staring at sun, text flicker in menus (probably overlay issue)
...................new - Feb 2017 patch
...................Improved SLI/Crossfire compatibility. Players are recommended to not use TSAA when running in multi-GPU mode because TSAA can negatively affect performance scaling.
..................Fixed various UI scaling issues when running in Eyefinity/Surround ultrawide resolution.
DOOM SLI , initially very poor scaling ~ 23%. Patched Nov 2016 near 100% scaling
Final Fantasy IX
Grim Dawn .. sli manual fix, near 100% scaling
Final Fantasy X/X-2 HD remaster ??
Deus Ex: Mankind Divided .. SLI patched nov 2016 .. scaling ??, (crossfire scales 100%)
Hitman ??
Fallout 4 : Far Harbor SLI scaling ~ 70%
Tom Clancy's The Division SLI patched.. dex 2016 e.g. gtx 1070 max detail AF 1440p= 59fps , gtx 1070 sli = 90 fps
Pillars of Eternity :The white march part 2 ... manual sli implementation, CPU bound game
Hitman: Episode 3
Shadow Warrior 2 SLI, great scaling



Selection of games from Metacritic Top PC games 2015*
----------------------------------------------------------------------------------

GTA V.... SLI .. 2560 x1440 ~ 65% increase, 4k 53% increase
The Witcher 3...... SLI 64%+ scaling (hairworks disabled)
Undertale
Metal Gear Solid V
Pillars of Eternity ... manual sli implementation, CPU bound game
Starcraft II .... SLI
Ori and the Blind Forest
Tales from Borderlands ... SLI
Final Fantasy VIV.. SLI
Homeworld Remastered.. SLI
Heroes of the storm
Dirt Rally.... SLI
Fallout 4.... SLI
Project Cars .... SLI
Guild Wars 2 : Hearth of Thorns ... SLI
FIFA 16 ... nvidia sli profile, SLI unconfirmed
Warhammer End Time Vermintide ... manual sli workaround
Dark Souls II: Scholar of the First Sin .... SLI
Evolve ... SLI

Top Grossing Steam Games 2016
----------------------------------

(Platinum sales numbers)
Dota 2
The Division
The Witcher 3
GTA V
Civilization VI
Fallout 4
No Man's Sky
Rocket League
Dark Souls III
CS:GO
XCOM2
Total War Warhammer

(Gold sales numbers)
Dead by Daylight
Stardew Valley
Rise of the Tomb Raider
Warframe
Call of Duty: Black Ops
Stellaris
Team Fortress 2
Arma III
Ark: Survival Evolved ...... SLI manual fix.. current UnrealEngine's HDR/SLI code could be implemented in future
H1Z1: King of the Kill
Tom Clancy's Rainbow Six Siege
Doom

(Silver Sales)
Watch Dogs 2
Hearts of Iron IV
Cities Skylines
Europa Universalis IV
War and Thunder
Dying Light: The following enhanced ed
Subnautica
Smite
Deus Ex: Mankind Divided
Civilization V
Far Cry Primal
Payday 2
Rust
The Elder Scrolls Online: Tamriel Unlimited
Planet Coaster
Skyrim
 
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Bare minimum ~750w, 850w to be on the safe side. 1000w is mildly overkill

Hrm... So my Seasonic SS-760XP2 is riiiiight on the edge. It's been a great unit and I see there is an 860 model... though I'd hate to swap for such a small difference.

What good 1k units are as quiet and dependable as this has been? I see a 1kW Seasonic Prime that's 80 plus platinum.. zero reviews on Newegg.
 
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Hrm... So my Seasonic SS-760XP2 is riiiiight on the edge. It's been a great unit and I see there is an 860 model... though I'd hate to swap for such a small difference.

What good 1k units are as quiet and dependable as this has been? I see a 1kW Seasonic Prime that's 80 plus platinum.. zero reviews on Newegg.

Seasonic and EVGA are my go-to for power supplies. All the good companies will have 7-10 year warranties these days. As long as they're offering that, you're probably looking at a good PSU. Just pick your features, power, efficiency ratings, modular plugs, and how many RBG lights and disco balls you want.
 
http://www.babeltechreviews.com/gtx-1080-ti-sli-performance-25-games/3/

Review of 25 games using 1080Ti vs 1080Ti SLI at various resolutions.

That article showcases why I continue to use SLI. There are several games that are below 60FPS at 4K on a single 1080Ti that increase to around 60FPS in SLI. Several are in the mid-30's and only get up to the high 40's. There are still some games out there that demand more performance at 4K than even a single GTX 1080Ti can provide. That situation likely won't get better but rather get worse as new games come out. I'm hopeful Vulkan support will increase and multiGPU may go through a bit of a resurgence as the PC gaming market continues to grow and NVIDIA and AMD push developers to implement it. Only time will tell whether or not that actually happens. For now I think SLI is a good buy for some people in terms of the performance offered. It certainly isn't for everyone, but then again it never has been.
 
I am not sure I could just fork over the SLI money straight up, but when the 980s came out I was placing my order as my employer handed me a $500 Visa gift card and I said fuck it and bought 2.

For 1080Ti I just got one.. and I'll eventually get my 1080 FTW upgraded to ICX for $100. Then I can step that up to 1080Ti, though it'll no doubt take months.

Basically for me, love of new toys+opportunity=SLI.
 
This is a bit of a quandary for me--i'm building a VR simulator and I haven't heard conclusive proof that VR can take direct advantage of SLI the same way conventional games can. Everyone quotes me the September VRworks update or 'in theory' but no one has come out and said, "Yes, my VR application received a 20% boost when I went SLI, and I had no issues/artifacts/bugs" I mean, Nvidia JUST released a benchmark tool.
 
Does SLI work with Nvidia Gamestream? That would be great on my end, since I stream to a 4k display.
 
That article showcases why I continue to use SLI.

Funny enough, it also pointed out the reasons why i avoided dual GPU builds since the 4850X2: unpredictable scaling, no support for newer titles, more money, power and heat.

VR SLI for 100% of VR games under NVIDIA ecosystem can change that in the future, but on this generation, scaling has lowered a lot and supporting about half of the games is a hard pill to swallow.
 
Funny enough, it also pointed out the reasons why i avoided dual GPU builds since the 4850X2: unpredictable scaling, no support for newer titles, more money, power and heat.

VR SLI for 100% of VR games under NVIDIA ecosystem can change that in the future, but on this generation, scaling has lowered a lot and supporting about half of the games is a hard pill to swallow.

You can't really compare AMD's multi-GPU experience to NVIDIA's. With NVIDIA I can force an SLI rendering mode and get some benefit to SLI out of almost any title so long as it isn't DirectX 12. AMD on the other hand boned me several times because you had no control over how the cards behaved when they didn't have a Crossfire profile. Even worse, AMD was very slow about driver releases forcing you to wait months for multi-GPU optimization. By that point you might have finished and almost forgotten that game you were waiting on multi-GPU support for. Unpredictable scaling is an issue I'd agree. The technology by its very nature should scale well and does when properly implemented. There isn't anything you and I can do about lazy ass developers but I could argue that in several cases, some scaling is better than no scaling. When you already have the fastest graphics card on the planet, you've overclocked it to its edge what else is there? There are games out there that don't get you 60FPS @ 4K/60Hz. So what do you do? The only thing you can do is add another graphics card for more performance.

I agree that's not the ideal solution but SLI and Crossfire will die off if no one buys into it and demands improvements in the technology. Many people would be fine with that but I'm not. I'd have been buying graphics cards more often and suffering from insufficient performance if I didn't have the option for SLI. People bitch about SLI but my Maxwell Titan's in SLI did very well for almost two years even at 4K.
 
That article showcases why I continue to use SLI. There are several games that are below 60FPS at 4K on a single 1080Ti that increase to around 60FPS in SLI. Several are in the mid-30's and only get up to the high 40's. There are still some games out there that demand more performance at 4K than even a single GTX 1080Ti can provide. That situation likely won't get better but rather get worse as new games come out. I'm hopeful Vulkan support will increase and multiGPU may go through a bit of a resurgence as the PC gaming market continues to grow and NVIDIA and AMD push developers to implement it. Only time will tell whether or not that actually happens. For now I think SLI is a good buy for some people in terms of the performance offered. It certainly isn't for everyone, but then again it never has been.


I would double check those numbers as more sli reviews come out too.. far cry primal on gtx 1080's got these results in a different review:
Far Cry Primal only played at 40fps using the GameRock PE graphics card which isn’t great. Adding a second card boosted the 4K performance to a much more impressive 79fps and this was an incredible 98% boost in performance for almost perfect scaling.

Tom Clancy's The Division SLI patched.. dec 2016 e.g. gtx 1070 max detail AF 1440p= 59fps , gtx 1070 sli = 90 fps

techspot 1080sli review
Up until recently, SLI didn’t work at all in Tom Clancy’s The Division, so seeing the performance scale by up to 65% isn’t too bad, considering. This also meant that the game went from a slightly choppy 43fps to a silky smooth 71fps at 4K.

1080ti review .. the division... No zeroes here?
JuHJ5Mj.png


Battlefield 1 went from 57fps to 83fps at 4k, a narrower gain resolution to start with.. however...
The only problem: overall performance with this patch is far lower than it was back when the game was released. On the exact same map, with the exact same test system, our GTX 1080, 1080 SLI, and Titan cards benchmarked 15-20% higher upon release than they did in the table above. All we can say is we hope DICE is able to sort things out in future updates so that that both performance and game quality are maximized.

Watchdogs 2 , 4k , dual gtx 1080 goes from 35fps tp 56fps.

Fallout 4 1080sli
"This game requires tweaks to the Fallout4Prefs.ini file to push past the 60fps frame cap, and tweak we did, because our ultra-high-end solutions were all well above that limit. And SLI scaled quite well"
4k resolution, ultra.. gtx 1080 50fps , gtx 1080 sli 87 fps.


In fact, if I had the time I'd post all the 1000 series sli game boosts from various sli reviews because some of the sites only do dx12, force HBAO, or refuse to add simple ini fix and such to unlock frame rates (Fallout 4), etc. so they are biased even showing zeros for some of those games. :banghead:

For now if in doubt you could look at my updated sli support list I posted , especially to confirm zeros or negative results.
 
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That article showcases why I continue to use SLI.

I think it shows why I'm getting away from SLI. It's double the cost for a 50% bump in some games, and 0% in others. And I really like some of those games that show 0%.
 
So what do you do? The only thing you can do is add another graphics card for more performance.

I lower the image quality settings. :barefoot:. Having gamed at 4k with a 970 and at 1600p with a 8800GT i can tell you that it is definitively possible.
Seriously, we are talking of a GPU that is CPU limited at 1440p in most games.

I will use an analogy with console gaming: every console has a great exclusive title, if you want to play it, you must swallow the console price tag, (or wait a few years for emulators).
With SLi/CFx it is the same: you must give up some extreme image quality/resolution for selected titles, or swallow the price tag, or wait a few months for the next upgrade cycle. Hence my comment about VR SLI, because there is only so much wiggling room when it comes to a good VR gaming experience.

High value SLI/CFx with mid-end GPUs is another matter. SLIing 970s after the 3.5GB affair price cut was a good move at the time.
 
I think it shows why I'm getting away from SLI. It's double the cost for a 50% bump in some games, and 0% in others. And I really like some of those games that show 0%.

Double check my reply on some of those zeroes...
 
Honestly, 1440p high Hz, especially 21:9 is the way to go. It's also easier to drive at 5MP vs 8MP for 4k.

For 4k one card can drive it fine in most games. Personally I'd use 1 card and drop it to 1080p in the one or two more demanding games and crank AA. Maxed 1080p still looks beautiful up scaled.

High Hz >> 4k IMO. People get on this kick for some odd reason.
 
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Double check my reply on some of those zeroes...

That also explains one of my reason for getting away from SLI. Single card performance varies a bit from driver-to-driver and system-to-system. SLI performance is all over the map with driver version, game version, and OS patches. When it works well, it's great. But it only works well SOME of the time.
 
I'm not trying to talk anyone into sli, I'm just showing that it is not as ineffective as some people seem to want to say it is, for the most popular games of 2015 and 2016 as well as looking into 2017, where 144hz 3440 x 1440 and 144hz 4k monitors should hit sometime.

For me I consider 100fps-hz the threshold that I won't go below. Otherwise I'm getting essentially nothing out of the high hz on a high hz monitor. I've turned things down to very high, very high+ settings in the past. I won't be opposed to running 2560x1440 as necessary on some games on the 4k resolution 144hz dp1.4 FALD HDR g-sync monitor I want to get by the end of the year as necessary or as an option either.

What sli will allow me to do is keep the eye candy higher when dialed in to 100fps-hz and better, on the majority of popular games the last few years and potentially many of the ones I'm most anticipating for this year (shadow of war and mass effect andromeda, dirt 4 all have it for sure... prey likely, UE4 HDR and SLI in engine now may filter to UE4 titles, unity engine supports VR SLI). SLI could even allow me to hit 100fps-average at 4k without too much of a hit on some less demanding titles.

I don't want to put the cart (resolution for pretty stills) before the horse (gpu power -fps and hz- for higher motion aesthetics combined with higher levels of graphics settings). That said, 1440p is pretty solid with a single 1080ti especially if you are willing to turn down some of the over the top ultra settings.
 
I lower the image quality settings. :barefoot:.

No.

High value SLI/CFx with mid-end GPUs is another matter. SLIing 970s after the 3.5GB affair price cut was a good move at the time.

I disagree. I think SLI is best used on the bleeding edge where price becomes less important than absolute performance. Its at the ultra-high resolutions where SLI becomes a necessary evil in many cases. Mid-range cards sometimes do provide a good bang for your buck in terms of performance but that's where I'll always argue for a single, high end GPU to avoid the pitfalls of SLI. If you spend a little bit more on the higher end card, you avoid the issues. I think that's worth the trade off when two mid-range cards out perform the super high end card.

Now, I do consider some lesser cards viable when they aren't much less. The 970 is a good example of a time where it made some sense. The 6800GT's in SLI were a good value compared to the single 6800 Ultra given their price difference. The 6800's were slightly more but they performed a lot better. For me, a good price performance ratio doesn't necessarily mean cheaper. For me, a pair of 1080Ti's was fucking cheap compared to a pair of $1,200 Titan XP's.
 
Thanks for this! Just proved I don't need SLI at 1440p :)

As I've said before, I wouldn't bother with SLI under 4K resolution or at least a 34" 3440x1440 144Hz monitor.

(I fucking hate the term "1440P". There is a big difference between a 2560x1440 monitor and a 3440x1440 monitor.)
 
As I've said before, I wouldn't bother with SLI under 4K resolution or at least a 34" 3440x1440 144Hz monitor.

(I fucking hate the term "1440P". There is a big difference between a 2560x1440 monitor and a 3440x1440 monitor.)

3440x1440 is ~34% more pixels than "1440p" and 4k is another 67% on top of that ...I personally just look at the 2560x1440 and 4k results, and typically the 3440x1440 results will be right in the middle of those two.
 
My last SLI build was Titan X (maxwells). Literally only 1 game that I played that year supported SLI which was Witcher 3, then SLI broke when Windows 10 came out, disappointing year for SLI.

It's not supported nearly as much as when I had 2 680s. I will probably never SLI again.
 
As I've said before, I wouldn't bother with SLI under 4K resolution or at least a 34" 3440x1440 144Hz monitor.

(I fucking hate the term "1440P". There is a big difference between a 2560x1440 monitor and a 3440x1440 monitor.)

Ah, I haven't done any research in the matter TBH so I was unaware. My post was more of a "Thanks for making that easy for me". As far as 1440p, I agree with you. A common misnomer is that the "p" stands for pixels when in fact it's progressive. Anyway, by your logic, the term 4k should bother you too...
 
Personally when I say 1440p I mean 2560x1440 and would specify 3440x1440 if i meant that, but I realize not everyone does. I wouldn't call 2560x1080 1080p either. I'm pretty sure tft central said a high hz 3840x1600 monitor is being made soon too.
 
My last SLI build was Titan X (maxwells). Literally only 1 game that I played that year supported SLI which was Witcher 3, then SLI broke when Windows 10 came out, disappointing year for SLI.

It's not supported nearly as much as when I had 2 680s. I will probably never SLI again.

Whatcha gonna do with those useless SLI titans?
 
Ah, I haven't done any research in the matter TBH so I was unaware. My post was more of a "Thanks for making that easy for me". As far as 1440p, I agree with you. A common misnomer is that the "p" stands for pixels when in fact it's progressive. Anyway, by your logic, the term 4k should bother you too...

Only slightly. I don't mind the abbreviations of the pixel count coming from the width. 3.8k is close enough to 4k that I'm not too pissed. 4096x2160 is real 4K though.
 
Don't bother with SLI for VR. At least with Oculus, SLI is automatically disabled, so you will see no benefit. In any case, even assuming it worked, AFR causes additional latency, so the result would be a worse experience even if the FPS counter was higher.

However, there are proprietary APIs from both Nvidia and AMD that do add multi-GPU support that works in VR. So far I only know 2 games that use this: Nvidia's Funhouse tech demo (hardly a game) and Serious Sam VR on AMD. It's possible developers can add this support to their games, but so far almost none have.
 
Don't bother with SLI for VR. At least with Oculus, SLI is automatically disabled, so you will see no benefit. In any case, even assuming it worked, AFR causes additional latency, so the result would be a worse experience even if the FPS counter was higher.

However, there are proprietary APIs from both Nvidia and AMD that do add multi-GPU support that works in VR. So far I only know 2 games that use this: Nvidia's Funhouse tech demo (hardly a game) and Serious Sam VR on AMD. It's possible developers can add this support to their games, but so far almost none have.

What about the Unreal Engine? I've heard Epic is doing more things with VR and SLI
 
Anyone with two of these FE suckers in SLi. How is the temps/sound/OC?

I have not overclocked them yet. I haven't even checked their temperatures. The fans do spin up and get louder more often than the fans on my Maxwell based Titan X's did.

On another note, I'm enjoying the shit out of Ghost Recon: Wildlands. SLI isn't optimal with it but it wouldn't be playable at nearly maxed settings at 4K without it. So far the only thing I backed off from the "Ultra" settings is the AA. I set that back to FXAA. I'm getting between 45-60FPS with occasional drops into the high 30's.
 
Anyone with two of these FE suckers in SLi. How is the temps/sound/OC?

I have my two FE cards at something like +163 core. They start off at 2025mhz but very quickly throttle to 1987 with brief forays up to 2000. Moving the offset up or down doesn't really affect it much. Changes the starting point but they always settle to 1987.

On a hard load they are running in the high 60s/low 70s, with the fan speeds high 60s to mid 70s on my custom fan curve. It's noisier than I'd like (but no different from any other blower card I've owned), so I'm going to try running them a bit hotter and see if they'll maintain the same speed. I have a rampage IV extreme so the cards have lots of room between them due to the extra slot.

I'm very happy with the performance. GTA V is the only game I've played so far. I play at 4K with a very demanding shader mod that was destroying my 1080s, and that caused me to have to reduce a lot of settings a notch or two to get acceptable performance. With the TIs, I cranked all those settings to max (even the performance intensive ones), turned on MSAA, and still get significantly better framerates than the 1080s (and more consistent frames as well). If I were guessing, the apples-to-apples would be a ~50% gain over my 1080 sli, which were clocked at 2012. I'd imagine un-modded GTA V would have less of a gain though. The upgrade was very noticeable, at least in this game. Of course, I also have tons of games that were already over 60fps and won't have any improvement other than extra AA>
 
Picked one card up for now. I don't think I will SLI FE cards. One card sound starts to bother me a bit once it goes past 55% fan speed. Normally stays at 48% fan w/ 84 C max load temps. Pisses the crap out of me since I see it throttle down to like 1800 clocks. Will test some more.

FE cards are not for me.
 
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