The RTX 2080Ti Thread

Discussion in 'Videocards - NVIDIA GeForce' started by Netherwind, Aug 20, 2018.

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  1. Dragam1337

    Dragam1337 Maha Guru

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    Clearly you are the one who doesn't understand what i am saying... everything you are saying is COMPLETELY irrelevant, as amd could come up with the best imaginable open standard raytracing gaming solution, and nvidia still wouldn't use it... they will only use their own proprietary solution, as with everything else.
     
  2. SpookySkeleton

    SpookySkeleton Member Guru

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    Well then yes, if you put it like that is like physx, yes i was being short minded about that, didn't remeber that realtime gaming physics (even tho mostly sucks) are done by the cpu some by gpu, but not as performance expensive as the ones done by physx , so yeah in that case you are very right sorry for the comments.
     
  3. darrenj

    darrenj Ancient Guru

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    One can always wish that AMD comes out with something compatible technology at a competitive price, just to give the market options. But after the last series of AMD cards, I think the empire is safe.
     
  4. pharma

    pharma Maha Guru

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    RAY-TRACED RENDERING ACCELERATES TO REAL-TIME WITH PROJECT LAVINA

    What is Lavina built on?

    Project Lavina is written entirely within DXR, which allows it to run on GPUs from multiple vendors while taking advantage of the RT Core within the upcoming NVIDIA “RTX” class of Turing GPUs. You will notice that there’s no noise or “convergence” happening on the frames, which is thanks to a new, real-time Chaos denoiser written in HLSL that also allows it to run on almost any GPU. With this, we aim to eventually deliver noise-free ray tracing at speeds and resolution suitable for a VR headset with Lavina.



    So, how much faster is it?

    Lavina is already seeing a big boost from the RT Core on NVIDIA’s Turing GPU. How much of an increase is a little tricky to calculate right now because we don’t have a version that doesn’t use it. But, with some sleuthing, we believe we’re seeing about a doubling of performance beyond what the new GPU generation is already giving us – which is the equivalent of leapfrogging several years in hardware evolution. One thing’s for sure: the performance curve plotted by Moore’s Law just got a vertical stair step added to it, and Chaos is set to exploit it!

    https://www.chaosgroup.com/blog/ray-traced-tendering-accelerates-to-real-time-with-project-lavina
     
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  5. XenthorX

    XenthorX Ancient Guru

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    it's really cool to see hardware product like GPU, bringing A.I. research product to mainstream consumer market like that. I'm really hyped for this new card generation and wasn't expecting that at all.

    Regarding the 'raytracing' topic from earlier in the thread. Both AMD and Nvidia can use the newly added DXR module for Directx12 - DirectX-Raytracing.

    It's been integrated to DX12 and both constructor can use it. Nvidia is just the first to put out a product using it.
     
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  6. XenthorX

    XenthorX Ancient Guru

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    Any game developped with Unreal Engine 4.15+ (released february 2017) can use SLI :
    https://www.unrealengine.com/en-US/blog/unreal-engine-4-15-released
     
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  7. BangTail

    BangTail Ancient Guru

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    Ok, well that's good to know although support is still nowhere near what it used to be and while the engine may well support SLI, I just went through the list of Unreal 4 games located here :

    https://en.wikipedia.org/wiki/List_of_Unreal_Engine_games

    And I could not find one that supports SLI (I could have missed one but just to make the point).
     
    Last edited: Aug 26, 2018
  8. Chastity

    Chastity Ancient Guru

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    Raytracing is supported in the DX12 and Vulkan APis already. RTX is simply a hardware accelerated coprocessor, understandably so since NVIDIA's design doesn't support parallel processing as nicely as GCN does. AMD has Radeon Rays, and is already pimping that, utilizing GCN's architecture.

    As far as the devs are concerned, there really isn't any proprietary API, as the ray tracing is being handled by the drivers and offloaded accordingly.
     
  9. yasamoka

    yasamoka Ancient Guru

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    @Dragam1337
     
  10. Dragam1337

    Dragam1337 Maha Guru

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    Doubling of performance... with raytracing, which really isn't saying much, as performance with raytracing as seen so far, has been abysmal to say the least.

    I am not against using raytracing, when we get to the point that the hardware can run it, without having to go from 4k 60 fps to 1080p 30 fps in order to run it. But that's the reality right now, and therefore i would much rather have had a 2080 ti with 30% more shader cores, rather than RT and tensor cores...

    I for one think that the lighting solutions used in rise of the tomb raider and battlefield 1 are plenty good, and the games would have benefitted much more from being rendered at a higher resolution with better anti aliasing, rather than getting a new lighting system, that marginally improves the lighting.
     
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  11. BangTail

    BangTail Ancient Guru

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    Same, I would have much rather they had held RT back until it was capable of more than ~30FPS @ 1080P.

    No matter how good it looks, it is a little bit of a step back where performance is concerned and let's face it, when you are running around like a maniac trying to avoid getting shot you don't always have time to stop and look at the fire reflection on a car door.
     
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  12. Dragam1337

    Dragam1337 Maha Guru

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    Yeah, but what you do notice, is the added clarity from higher resolutions, making it easier to spot enemies. Meaning that running the game with RT actually gives you a competitive disadvantage, as you'd have to lower the res to at least 1440p in bf5 for 60 fps. Otherwise you'd run bf5 at a very cinematic 4k 24 fps xD
     
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  13. BangTail

    BangTail Ancient Guru

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    Yah, still very much on the fence about this but the pre-order is going to get 86'd if the non RTX performance isn't considerably better than the 1080Ti.

    I'm encouraged by Hardware Canucks comment but I'm still not sure we are going to get ~40% or more, I guess we'll just have to wait and see.
     
  14. pharma

    pharma Maha Guru

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    The doubling they get is only from the RT Cores. They use their own home built software not nvidia's library, so I can image what it was like before w/o an RTX GPU running.
    It will be interesting to see if there is an additional change if they use Nvidia's RTX software.
     
  15. Dragam1337

    Dragam1337 Maha Guru

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    Non of them has sli profiles, but that's just cause nvidia has more or less dropped sli support. Add ark sli profile to the game, and sli works with majority of ue4 games :)
     

  16. BangTail

    BangTail Ancient Guru

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    Yah, I know you can use other profiles but very often that will lead to flickering et al and I'm not a fan, still - good to know.
     
  17. yasamoka

    yasamoka Ancient Guru

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    I tagged you because you had asserted that Nvidia will insist on only supporting RTX and not other solutions regardless of whether they employ real-time raytracing in the same manner or not. Here is an entity stating the opposite, that they were able to accelerate their own raytracing solution utilizing Nvidia's RTX architecture.
     
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  18. XenthorX

    XenthorX Ancient Guru

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    Well, i'll go all-in with raytracing tech. If they don't ship product using raytracing as it is now they won't be able to iterate on it with game developpers and consumers, while paying R&D.
    As the entire developement need to adapt i'm glad they start as soon as possible.

    Deferred rendering limitations is the biggest wall left towards photorealistic rendering and i'm so happy we're starting to get into raytracing solutions!

    Reader be warned, i'm a Star Citizen backer, i like the eye candy at the price of framerate :p..
     
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  19. pharma

    pharma Maha Guru

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  20. BangTail

    BangTail Ancient Guru

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