Remedy Shows RTX Raytraing performance cost
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warezme
Waaaahhh..., I remember it taking me hours to render one frame of a scene that looked like this in Studio Max on my CPU.
H83
The graphics look very nice, specially the shadows and lighting, the objects reflecting the lights look amazing although no one is going to notice them on most games. But there are 2 things that look off: the sunlight always seems to bright and the textures of some objects seem very "grainy".
As for the performance, a FPS counter would be useful...
chispy
Nice looking demo , i'm all in for this new tech 🙂. I cannot wait to see this on it's full glory , a few years from now games at 4K , HDR and full RTC would look amazing.
Caesar
Looks like "film grain" effect.
The amount of time it takes to render a FULL FRAME = 9.2 milliseconds.... (Impressive)
1,000 Milliseconds = 1 Second
For 60 Frames Per Second, a full frame will cost approx 16.67 Milliseconds.
So,........ to make calculations on shadings and lighting effects, it "costs" less time! 😕
bigfutus
Strange noise many surfaces and i don't like the flickering sparkles. In few years when it matures enough, it will be good.
-Tj-
Or gpu still too slow, nvidia could have added more tensor cores, but it didn't.
Gotta save some for next gen to make a bigger wow factor.
Ok thermals and power is a limitation, can't argue there.. Well there is also a option to have more cores at lower clocks. But why should they do that if it will make e.g. flagship TitanV look much much worse, so far its still on top when it comes to using its Tensor cores.
Just saw this @ anadtech, half-precision which uses 16bit or or even faster 8bit float
[URL='https://postimages.org/']https://i.postimg.cc/D0dz00NM/101941.png
https://www.anandtech.com/show/13431/nvidia-geforce-rtx-2070-founders-edition-review/13[/URL]
Vega has its punch too by other compute tests, quite competitive. Wonder what it can do if its tuned extra for RTX render with those units 😀
Fox2232
If they ever decide to make separate Raytracing accelerator, I may buy it.
Zooke
I am under the impression that the 9.2ms is in addition to a non RTX time.
Yakk
That is a very high time penalty for partial-raytracing, especially if the work cannot be run in parallel, which a lot of it probably can't.
The partial-raytracing quality also has to be improved massively, especially noise reduction. A quality slider will only make things worst 🙁
It's a dud for me.
holler
This is a terrible demo as well, generally in a gaming based demo, you want some animated scenes, but this is nothing but static environs. RTX is looking like a dud to me.
HeavyHemi
It's a "test scene". You made a determination of a technology without even a basic knowledge of what you were looking at even though, it was described in detail what it was. AMDud for sure.
XP-200
This RT is going to be like DX10 cards and games all over again. lol
RealNC
So devs will need to use RT in heavy moderation in order not to kill perf. And this is at 1080p, even. Most people who bought RTX aren't looking to play 1080p... 1440p is probably the minimum for them, and if RT at 1080p already has this high a cost, I can only imagine what the cost is at 1440 and 4K. They'll probably use half-resolution RT? Like render the scene at 1440p, and then render the RT stuff at 720p?
I suspect we'll see visual downgrades compared to what was shown in NVidia's presentation? (We had "E3 Downgrades" in the past, now we're getting "NVidia Downgrades.")
Silva
Maybe in the next Nvidia cards RT can be run partially.
As it stands out, not even games support it right now.
I'm sure the RT on/off will be used in favour of performance, as IQ will be almost undistinguishable.
Monchis
1080p?, did they use a 20" inch monitor too?. 😛
vbetts
Moderator
Probably can't do anything any higher. :P
XP-200
^^^Ouch!. Lol
HeavyHemi
You know they invent memes over folks complaining the newest hardware accelerated features don't run at OMFGBBQ frame rates....what was that again...oh yeah...
'But can it run Crysis'. Why must we repeat this trope? It hinders adoption and we end up with threads with more or less official sanction of silliness.
HeavyHemi
Max performance for what? Do you also turn down the rest of the settings to low for 'max performance'?
Maddness
I must be seeing something different here. I actually thought it looked pretty damn good. Seeing the reflections in almost everything rendered on the screen, but not even in the picture was amazing. I can't understand why there is so much negativity towards Ray Tracing. Does everyone want to stay in the dark ages, this is the future people.
