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DirectX12 AMD and Nvidia Multi-GPU Configurations Confirmed

CM2546

@WhiteSkyMage I think this (although a little sketchy) makes that seem a lot more possible as sfr in Mantle has vram stacking.

Even if Nvidia Locks this down, as long as we are able to use our cpu integrated graphics and older/less powerful/more powerful nvidia gpus, i'll be fine with it.

They could already do that without DX12. AMD does it as far as I know. They don't need a new graphics API to do what you're describing I think.

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They could already do that without DX12. AMD does it as far as I know. They don't need a new graphics API to do what you're describing I think.

On DX11? How?

@WhiteSkyMage Even if Nvidia Locks this down, as long as we are able to use our cpu integrated graphics and older/less powerful/more powerful nvidia gpus, i'll be fine with it.

Lock what down? SLI with different cards? I dont think they would lock down the Vram stacking, that would piss lots of people.

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First there was JBOD.  Now there will be JBOVC.

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Brilliant, now to hope like hell that devs see the light and stop this 'optimized for 1 brand' shit.

So we'll see games optimised for cross-sli

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So does this mean there will be a purpose for 3-4 way sli/crossfire in dx12 titles now. Scaling after 2 is just awful and a waste of money

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so this is axtually awesome! But no doubt it will take NV like 2 seconds to block it giving some really crapyvague reason i expect as "it will ensure a better experiance blah blah blah"

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Unless Nvidia or Intel says so it will not happen,probably AMD would agree but i doubt them too.

So stop dreaming its not gonna happen,and if it is possible they will probably not optimize it well enough between different vendors,what im crazily interested about that no one seems to see is multi gpu from the same vendor i would kill to be able to run my GTX 670 with my old gtx 460,or even a new maxwell midrange card,that would be fucking insane and throw pc gaming into a new era,almost everyone will have multigpu setups probably.

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As long as the rumor that DX12 will treat SLI/Crossfire as one unifed graphics unit (4gb+4gb=8gb) I'm happy.

 

Would be nice to have the additional onboard memory for future dual GTX 980 4K gaming

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Never going to happen even if it becomes possible. Nvidia and their drivers will stop it. They already proved they can and will do that with amd gpu rendering the game/nvidia doing physx calculation setups.

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22:22:24, almost a perfect time :D

This sounds like a wet dream.

I believe it when I see it and when I see it I will just add another more powerful GPU to my rig. Damn all that performance for just little more money. PLEASE WORK PROPERLY AND BE TRUE.

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Never going to happen even if it becomes possible. Nvidia and their drivers will stop it. They already proved they can and will do that with amd gpu rendering the game/nvidia doing physx calculation setups.

Stupid drivers :(

I wonder how much it would hit their revenues though.

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Very interesting! Though I guarentee Nvidia would never let this happen.

Nvidia may not like it, but they would be disabling a part of DirectX or avoiding the feature all together through drivers, and I don't think Microsoft would take too kindly to that. 

Edit: since DirectX12 is supposed to be a lower overhead API

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I believe this was said last time this was in the news, but I'll say it again:

It would be highly unlikely for Nvidia or AMD to actually allow the user to use their competitor's GPUs alongside their own. This "feature" will be disabled in drivers.

 

Kinda like how you can't SLI a 680 and a 770, even though they're the same damn card.

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Hmm, this I gotta see in demo,

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Fuck yeah, I can run my 970 with my good ole HD 7770 or with my brothers 650ti... Not my 480 since that's dead.. I want my $40 back. :(

 

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I believe this was said last time this was in the news, but I'll say it again:

It would be highly unlikely for Nvidia or AMD to actually allow the user to use their competitor's GPUs alongside their own. This "feature" will be disabled in drivers.

Kinda like how you can't SLI a 680 and a 770, even though they're the same damn card.

Having cross multi gpu between both competitors disabled is still Ok, but what i am concerned about is the memory stack when SLI or crossfire. Now, it is maybe now possible with AMD's Mantle, but what will be Nvidia's answer to that memory stacking? Will they allow it...? That is th thing everyone want so we can go 4K. But then what will happen on the market if everyone suddenly have 8+ GB Vram using dual gpu config with that much compute power...? You see, that's just going to mean performance leap...and with those 20% of performance boost which Microsoft is promising... Omg...

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Having cross multi gpu between both competitors disabled is still Ok, but what i am concerned about is the memory stack when SLI or crossfire. Now, it is maybe now possible with AMD's Mantle, but what will be Nvidia's answer to that memory stacking? Will they allow it...? That is th thing everyone want so we can go 4K. But then what will happen on the market if everyone suddenly have 8+ GB Vram using dual gpu config with that much compute power...? You see, that's just going to mean performance leap...and with those 20% of performance boost which Microsoft is promising... Omg...

 

Lemme guess, they're going to do whatever gives their cards the best performance that they can achieve within their target pricepoint.. 

If that means that they stack VRAM wherever they can, they most definitely will allow it in order to stay competitive.

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What about the Intel HD graphics and iris?with an AMD or nvidia or even an slifire HD graphics iris to top it all

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What about the Intel HD graphics and iris?with an AMD or nvidia or even an slifire HD graphics iris to top it all

TBH, with Intel graphics you need to make your own drivers first before even hoping it will run any form of DirectX properly. And with the way Intel has their iGPU set up I highly doubt that you could use it in conjunction with a graphics card.

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TBH, with Intel graphics you need to make your own drivers first before even hoping it will run any form of DirectX properly. And with the way Intel has their iGPU set up I highly doubt that you could use it in conjunction with a graphics card.

 

how can you create your own hd graphics driver? i've been gaming on  my laptop that has the intel HD graphics 3000 for  over 3  years now and i always find a  way aroun dto play demanding games and it gives me generally 20fps.. 

 

using the intel igpu cant hurt performance .. could it? 

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This is great. I recently purchased a GTX 980 to replace my 670, I won't sell it now, will just add it back into the system :)

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if this is true, then theoretically you could have an unlimited number of GPU's as long as you have a way to connect it

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if this is true, then theoretically you could have an unlimited number of GPU's as long as you have a way to connect it

Yes, because along with Split Frame Rendering comes (hopefully) perfect scaling. You could use a mining rig that has 12 290xs to play a game... 

 

 

I believe this was said last time this was in the news, but I'll say it again:

It would be highly unlikely for Nvidia or AMD to actually allow the user to use their competitor's GPUs alongside their own. This "feature" will be disabled in drivers.

 

Kinda like how you can't SLI a 680 and a 770, even though they're the same damn card.

 

 

I don't really care if I can't throw an AMD card in my system, what I do care about is what you're talking about-using 2 different power/generation gpus together.

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this is like the only piece of good news for GTX 970 SLI owners like me

hope that one day, we could perhaps run 4K

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I will be happy if this improves SLI, anything beyond that is simply a bonus.

 

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