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Guru3D.com » News » NVIDIA Titan V Raytraces Battelfield V in RTX mode at proper perf (but does not have any RT cores).

NVIDIA Titan V Raytraces Battelfield V in RTX mode at proper perf (but does not have any RT cores).

by Hilbert Hagedoorn on: 01/01/2019 12:03 PM | source: 3dcenter | 68 comment(s)
NVIDIA Titan V Raytraces Battelfield V in RTX mode at proper perf  (but does not have any RT cores).

It is a bit of a remarkable story really, but users have enabled RTX mode on a Nvidia Titan V, which works quite well and performs as fast as the RTX 2080 Ti. Titan V, however, is Volta, and Volta does not have any RT cores.

Of course, Volta is a very powerful card with loads of headroom and tensor cores. DX-R mode enabled, in theory, can work on any compatible DirectX 12 graphics card as long as it is fast enough, as the DirectX Raytracing is merely an extension to the DX12 API. If the hardware is not supported, it could run it in a software modus. However, the findings raise the question, are dedicated RT in hardware cores actually needed? 

In the example, the Titan V with a Volta GV100 GPU according to users in this thread over at 3dcenter, would produce framerates that are almost equal to those of the GeForce RTX 2080 Ti. One user reports 69 fps in Ultra HD resolution at set Ultra high with both cards. Both graphics cards have been overclocked and cooled with water cooling with equal framerates and image quality. Yet another user reports he was playing in a 60-100 fps at 1440p ultra with 80 fps average. In our own review, the RTX 2080 Ti with DXR raytracing averaged 84.3 fps which is pretty damn close towards our results as tested in our Battlefield V article.

These new findings do make us wonder what the actual effect of RT has on performance. It has to be stated, these are merely user reports and we cannot verify any test methodologies used here (testing in an RT enhanced environment would be one concern that comes to mind).

Regardless, these are interesting find but for now, please do take them with caution and a few grains of salt. Below two settings screenshot the users used, as well as a screengrab with RTX enabled on the Volta card.



NVIDIA Titan V Raytraces Battelfield V in RTX mode at proper perf  (but does not have any RT cores). NVIDIA Titan V Raytraces Battelfield V in RTX mode at proper perf  (but does not have any RT cores).




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Fox2232
Senior Member



Posts: 11808
Joined: 2012-07-20

#5622581 Posted on: 01/01/2019 12:44 PM
"However, the findings raise the question, are dedicated RT in hardware cores actually needed?"
That's not the question I would and do ask.

I do ask: "Are there actually dedicated RT in RTX cards?"

I did ask this before, but it does not hurt to repeat question: "Is anyone who knows details of DX-R able to say what kind of mathematical instructions are required by DX-R?"
Because if it is something like FP16, then Titan V is twice as fast as 1080Ti and still bit faster than RTX 2080Ti.

It should be known that DX-R is part of Microsofts DX12, therefore instructions should not be proprietary.
Some nV guys here with BF V willing to trick game into thinking that you have RTX card?

flashmozzg
Senior Member



Posts: 145
Joined: 2013-01-30

#5622588 Posted on: 01/01/2019 01:44 PM
I wonder if it'l work for an AMD card o_O...

Glottiz
Senior Member



Posts: 1133
Joined: 2006-11-18

#5622592 Posted on: 01/01/2019 02:03 PM
I knew it, I f-ing knew it that something like this will possible. Now let's see how quickly Nvidia release new "hotfix" drivers that block all possible RTX hacks on Pascal GPUs :D

Akumu
Member



Posts: 49
Joined: 2016-12-17

#5622593 Posted on: 01/01/2019 02:05 PM
Very interesting.

MK80
Member



Posts: 80
Joined: 2017-09-11

#5622594 Posted on: 01/01/2019 02:11 PM
How did they do if the game refuses to connect RTX out of rtx2000 graphics? It has already been tried by UFD Tech and they could not get it even using a 2080 ti to start the game and then move on to another graphics card. For me it's fake ..

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