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Discussion in 'Video Cards' started by Nebell, Aug 24, 2018.
"Ti" never stood for Titan
I think the Turing chips are just cut down Volta chips aren't they?
Even when Nvidia showed the first videos about Ray Tracing (and RTX), they showed them on the Titan V
i never said it did, i said it replaced what the titan was in the release cycle since Ti has been used for the refresh cards released 10-12 months after initial release but the negative effect it had was that the xx80ti always made the titan card a bad buy especially in price. so now instead of releasing the xx70/80/titan like they've done for the past 4 generations they're now doing 2070/80/80ti for the initial release then the consumer volta titan later.
No they are different. They share similar FP32 and Tensor core sections on the die but the Ray Tracing cores are completely new.
Pretty sure the Titan V could do the same ray tracing as the turing chips
Running on a Titan V (He says at the very end, running on a single Volta GPU)
they even refer to the ray tracing as RTX
See, I have a different theory.
Titan V is the Titan offering (for now).
It is $3,000. That's the price point they want for Titan (for now).
There will eventually be a Titan T (or whatever)... but it won't be for several months, maybe a year.
I think a "true consumer Titan" is a pipe dream at this point. The new price points are here and won't be going away until AMD or Intel makes them. Pony up that wallet.
Don't forget the Titan V CEO edition. This might show up as a refreshed Titan V in the next few weeks/months. Why, otherwise, make a new card and only make 20 of them while maintaining driver support? Titan Turing or Titan RTX might show up and replace Titan Xp, which at this point is completely superseded by the 2080Ti, and selling at the same price point.
Anything to do with ray tracing on Titan V (Volta) was likely all software since it doesn't have dedicated RTX cores. That is something that is brand new in Turing and gives it a leg up on Volta.
Is this confirmed anywhere by nvidia? I googled briefly and couldn't find anything besides that ray tracing was using the tensor cores on Volta.
Yes by a BF 5 dev who said they coded and tested ray tracing on Volta and it was all run on software until Turing.
Just keep in mind that Nvidia may be able to enable it on the Titan V by a simple driver switch. We dont know for sure if they actually made a change to the silicon for the 2000 series for the tensor cores.
It lacks hardware for it but can do it in software just like any other GPU. Here’s the quote from Eurogamer:
At the capture event, we noticed some of these optimisations and we talked directly with DICE engineers about them. During development, the team at DICE were developing the game on Titan V cards which lack the hardware acceleration cores for ray tracing, so they were developing at much lower frame-rates in general and also utilising more optimisation schemes to keep performance up. The Turing GPUs with hardware acceleration are much more powerful, but they still had these more conservative settings set on by default in the build we were seeing, even though they were unnecessary for performance on shipping RTX hardware.
Recently found to be untrue. Titan V has hardware support for DXR, even without tensor cores. The Turing RT cores dont actually perform raytracing itself, as explained here.
"RT cores do not enabled nor execute the RT functionality. They simply accelerate the processing of BVHs. They are not a requirement for ray tracing, and the 'shaders' themselves aren't just shading the rays, they are calculating the rays as well."
Titan V has tensor cores -that was it’s main selling point as it was the only consumer card with them, it just doesn’t have the rt cores. That appears to be why it’s 25% or so slower in rt despite having more shader power and similar tensor core ability to the titan rtx.
Does prove that the rt cores aren’t necessary, but they’re doing something,apparently.
Has FP16 units. Vega cards also have FP16 units and are compatible with DXR but cannot use RTX api which is proprietary to Nvidia and is now the standard for raytracing in gaming. The lack of RTX Api will forbid other cards than Nvidia brand to render well raytracing in gaming, except if AMD develops an equivalent API to RTX and game developers use it. There will be then 2 kind of gaming engines : one for AMD cards and one for Nvidia cards. But with 10% of the top level market share, game developers may never take into account any AMD api for raytracing. AMD is clearly too late (think what happened with OpenCL).
you really don't have clue what you are talking about do you?