Upgrade PC
budhilawmail
Posts: 0
in The Commons
Hello,
This is my first thread and I am sorry if my english is not good.
I want to learn about Daz Studio as a hobbyist (or perhaps for side job in the future) but now I am confused to choose between 2 gpus.
Options:
- Inno3D RTX 2060 6GB
- Inno3D GTX 1070 TI 8GB
Thank you,
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Comments
The 1070ti is much better. It will render faster and has more VRAM so it can render larger scenes.
From benchmark, 1070ti do seem a lot better than RTX 2060; but i think the 1070ti is also more expensive.
Any particular reason for those two options? Because for the price of the 1070ti i think you might even find a RTX 2060 SUPER, that is 8GB and from benchmark looks even better.
I'm also in the market for video card (and whole PC for that matter).
Thank you for the suggestion. But my friend told that Daz3D is better with RT cores (or something, I don't about hardware that much). Anywhy, thanks again for your suggestion.
Yeah, but its easy to find GTX 1070 TI used with lower price and good condition (even still in warranty).
RT cores are good but the 2060 doesn't have many and only has 6Gb of VRAM. If you intend to do scenes with more than a single character you'll be happier with 8Gb of VRAM.
Also if you had already made up your mind why ask here?
A GPU with RTX will need somewhat less memory for a given scene - but not 2GB less
Why is that?
I tend to stay away from used GPUs.
Because, as I understand it, with non-RTX cards Iray passes across code for certain functions that consumes (or uses in processing) a substantial chunk of memory, while with RTX cards the equivalent features are on the chip and so don't need to use memory for the base code at least.
...so basically that means an RTX 2080 will effectively be able to render a "heavier" scene than a GTX 1080?
Yes, as I understand it - though I haven't been in a position to make a direct comparison.
..thanks,
About the only way to tell is if someone has both a GTX and RTX version of the same model GPU (say 1080 and 2080) and can run a parallel render test with the exact same scene on both.
That is what I was getting ready to do with my girls at the bus stop scene with Iray and Wowie's (then) new AweShader when I had the HDD crash. that took the scene files and all my settings with it.
RT cores are indeed very helpful, you guys should not underestimate them even in the 2060. But it depends specifically on the scene content. RT provides the more benefits as geometry gets more complex. The 2060 is absolutely faster than the 1070ti. In this benchmark test scene, the 2060 FROM A LAPTOP is twice as fast as the 1070ti. But it gets better, not only it did the single 2060 beat two 1070tis, it also beat my two 1080tis. Now you are talking about some serious beef, and a freakin' laptop GPU beat them. The laptop mark is on page 2.
https://www.daz3d.com/forums/discussion/344451/rtx-benchmark-thread-show-me-the-power/p1
So what is so hard about that scene? Look at it, there are pics in the thread, and you can download it for yourself. All that scene contains is one human with an outfit and a dforce strand hair. The dforce strand hair adds a lot of geometry into the scene, even with just a single use of the hair. This really illustrates that it does not take that much to build a more geometrically complex scene. Just use a dforce strand hair and there you go.
A more normal benchmark thread is in my signature. https://www.daz3d.com/forums/discussion/341041/daz-studio-iray-rendering-hardware-benchmarking/p1
In this thread, maybe I am reading wrong, but it looks like the 2060 beats the 1070ti on that chart, too, and the margin is not even that close.
At any rate, I would strongly suggest going for a 2060 Super instead, simply because of the 8GB VRAM. The VRAM is the biggest advantage the 1070ti has over the original 2060. Remember, if you run out of VRAM, your GPU is a paperweight. So VRAM is a very important part of the equation.
So you have a hard decision to make. I believe there is more potential upside to the 2060, but that lack of VRAM is a killer for me. Daz content in Iray is crazy VRAM hungry, and can eat up that memory very easily. The 2060 Super however, gives you the best of both, with even faster rendering and a solid 8GB VRAM.
...so given what was mentioned above about RTX, would an RTX2060 Super be able to handle the scene below (in system memory: 8.7 GB)?
No. I doubt that would fit in 11Gb without a lot of optimizing. There are at least 7 people in the scene, might be more the image is terrible, and lots of props along with the background.
The memory used while working and the memory used in rendering are not directly related - where SubD is applied the viewport level is usually lower, textures are usually reduced, both of which will add to the memory load in a final render; against that, the working memory has the undos, the rigging, and the morphs while the render just gets the baked final geometry.
Probably not, but this scene seems like another excellent candidate to render separately and compose later. The groups of people don't interact with the other groups of people.
...this was actually created at default values (render quality 2), no increase in Render SubD (I don't think that was available yet when I created the scene) I checked the memory usage for the scene at the time and it was 8.7 GB uncompressed without the Daz Programe (that made the total load 9.1 GB).
...there are a total of 8 including the train driver in the approaching train. The scene was created when Iray was still fairly new to Daz so many of the more refined tools we now have now, like fog and atmospheric effects/cameras as well as the Scene optimiser (I would have needed to resize the material files for quite a number of individual items by hand in a 2D programme which would have been rather tedious and likely taken about as long as just dealing with the extra render time), didn't exist yet. I used a large cube that encompassed the entire set with the opacity turned way down and a bit of abbe introduced to simulate what is known as a "grey day" (one person from Scotland commented that it made him want to go get a sweater and put it on).
Having acquired many of those tools since then (as well as a Titan-X), I planned to rework a few parts of scene and render it again for a comparison (the original was done in CPU mode as I only had a 1 GB GPU at the time), however it (along with a large number of scenes) was lost in a drive crash not long ago and the motivation to rebuild it from scratch just isn't there right now as I am still in the process of creating all the characters for my stories that were lost as well.
...I thought of that but then there are those reflections of several characters in the wet surface of the platform. Shadows can be saved using a shadow catcher (provided they don't fall on other elements of the scene). However there is no way to capture reflections so those would have to be hand painted in something I am terrible at as I don;t have a steady hand and they wouldn't be affected by the mist effect so they'd look "added in".
In an ideal world, I'd use an RTX Titan or Quadro 8000.