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© 2024 Daz Productions Inc. All Rights Reserved.
Comments
...my scenes would "eat" either of those cards.
Not even sure 6GB (GTX Titan, Titan Black, GTX 980TI) is enough as in 3DL and Lux I've had scenes top 10.5 GB (out of 11 GB available memory) and go into swap mode. Even if Iray optimises textures & such so that the render file would be about 1/2 as large as in 3DL, it means I'd be hitting the 6 GB ceiling rather easily. Wish that Nvidia offered an 8GB GTX card to compete with the Sapphire Radeon R9 290X Vapor-X as the only one available is the 2,500$ Quadro K5200.
The only other solution I see would be a Titan X at 1,000$.
...If I am not correct, doesn't Octane have a pretty decent hybrid rendering mode. Iray's is almost as slow as pure CPU.
DevianArt page?, neither a personal website?, nothing? or a Daz Gallery?,
dude come on!, even me, a mediocre 3d artist have a simple devianArt page!!
...even I have one.
From what I read the Quadro cards game at the same level as low end 700 series card, they are strictly workstations optimized for one thing and it's not Arkham Asylum, but so far out of my price range (if I didn't need to eat, buy gas or pay for a home, sure) so I'm still watching the price on the 960 4GB but wondering if 4GB is going to work out for me or do I wait another generation and hope 8GB cards become the mainstream.
DeviantArt has digressed into a spam interface, unless you pay for a subscription building your gallery can be akin to pulling out your teeth with rusty pliers. How a site can justify charging users for basic tools (batch loading, batch delete, etc.) when the artists supply the content to generate traffic to their site is loathsome. DA is a sweat shop for the talented.
...AdBlocker+ makes it a bit easier to tolerate.
...but yeah to get the best tools you have to go for a paid membership. I remember when it was only 7.95$ a year when I first signed up back in '07.
Kinda wishing I would have found this thread earlier; I picked up a 4GB 980 about a week ago, and while it gets the job done, it seems I could've done better.
I'm currently running two machines - a "gaming rig" with the 980 (which replaced the 4GB 760), i7-4770K, 32GB RAM, and an older used HPZ600 workstation with dual Xeon X5650s, which I upgraded to 48GB RAM and replaced the FX1800 card with a K4000 4GB.
Setting up both machines with the same scene, I'm getting comparable render times between the two. On some scenes/settings, however, one will be faster than the other, so it doesn't really look like one is the clear winner over the other. Total cost of each machine was also about the same (what with the cost of the RAM and K4000).
However, another point regarding gaming cards vs workstation cards; as I understand it, workstation cards run a bit slower than gaming cards for stability during long renders. The EVGA-branded cards come with an app that lets you adjust the clock speed up or down, and in my informal tests, setting the clock speed down on the 760 did improve stability, especially with Luxrender (which otherwise crashed when the render neared "completion").
But the 980 is as stable as the K4000, so that's a plus.
I guess.
..do you mean the Quadro K4200? the K4000 had only 3 GB GDDR5.
Yeah, my bad - the K4000 with 3GB.
...there was a K4000 with 4GB but just for the MacPro
The Mac K4000 was 2GB, it is the Mac K5000 with 4GB. (Neither is currently in production.)
Currently the only Mac you can, officially, get with an NVIDIA card that has 4GB of Ram is the second highest model iMac and that is a mobile card. (Half the cores of a desktop card.)
...it was the K4000M.
http://www.migenius.com/products/nvidia-iray/iray-benchmarks-2015
The Mac K4000 was 2GB, it is the Mac K5000 with 4GB. (Neither is currently in production.)
Currently the only Mac you can, officially, get with an NVIDIA card that has 4GB of Ram is the second highest model iMac and that is a mobile card. (Half the cores of a desktop card.)
Unofficially however Mac users often find that Mac will state a model of computer has a specific limit that they state which is apparently not the limit of the computer in the real world. Unofficially you can add some higher end cards either directly to your logic board or through an external connection over Thunderbolt or Thunderbotl2
http://www.macvidcards.com/store/p7/Nvidia_GTX_Titan_6_GB.html
Unofficially however Mac users often find that Mac will state a model of computer has a specific limit that they state which is apparently not the limit of the computer in the real world. Unofficially you can add some higher end cards either directly to your logic board or through an external connection over Thunderbolt or Thunderbotl2
http://www.macvidcards.com/store/p7/Nvidia_GTX_Titan_6_GB.html
Yes you can, however since Apple does not support those configurations, officially, we can't.
I am using currently a 980Ti in a external PCIe case, connected by Thunderbolt 2 - works great with DS.
I've been looking into the eGPU options, and I'm saddened to see that no one is considering this market beyond the "Big Business" model. No one is targeting the freelance/hobbyist market with a multi-gpu-capable add-your-own-cards enclosure. MSI and Aliendell are looking at proprietary connections to their laptops for gaming, but those can't translate to the average Iray user due to the interface and single-card enclosures.
Nvidia's VCA is the ideal platform for a DIY setup, where we mere mortals could populate it with GTX-series cards for a lot less than the M6000s.
While Thunderbolt allows several devices daisy-chained, that would take several enclosures and separate power supplies to do a respectable rendering setup, and cost about twice what it should at least.
Following Forum :)
Overclocking or not Overclocking?,
below a comparative of iterations in Default and Overclocked mode.
that is the question, in my perspective, I think there are minimal gains forcing the card to its limits, personally I prefer not fry my +$900 USD card for now.
KK, you can always render parts of your scene separately and then composite them. Gets you around all kinds of problems, and less stuff in a scene means a faster render. You do end up saving time.
Zilvergrafix, your ASUS card was reviewed the most stable out of the bunch of high end cards they tested on a site recently (EDIT: High end when they were current). Stability is more important in my book than overclocking. I would spend your time figuring how you can split up your scene renders and composite like I suggested to Kyoto Kid. It really will save time. Iray also renders faster with more light. Maybe it can be compensated with tone mapping. I have an ASUS 780ti OC card arriving the beginning of next week.
Thanks for the tips!, Kevin.
congratz for your new card arriving!
...my issue with compositing is getting all the shadows to fall right, especially when there are a lot of items in the scene and some items cast shadows on others. I do not have a steady enough hand to "paint" them in. Rendering in layers also can mess with AO amd reflections as well.
Considering I only have 1GB on my GPU, it would take a lot of layers to compose a scene, and I most likely couldn't even render a single clothed character without it dropping to CPU mode. Combine all the rendering times as well as the time and work involved to assemble the finished image and I'd just be better off rendering the entire scene in a single CPU render pass.
Kevin, I think you're savvy with Nvidia technology, at least more than me, that's why I'm asking:
Do you know why sometimes my card render very slow and mostly of times goes super faster?, and I'm talking about the same scene, only GPU and Optix enabled, and no overclocked mode.
maybe you will answer when your ASUS 780ti OC arrives and evaluate this issue in your PC.
Of course!, if anyone have the answer or some reason for that, can give me tips too!
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I don't know if I'm that savvy, but I have been following it on and off for a while. I only have a GTX 470 at the moment and it's not fast at all. I have gotten different render times on the same scene, and I didn't change anything. And I don't think it was the same as when 3Delight optimizes textures the first time around, but maybe it's similar. When I get my new ASUS, I might know more. The one thing that comes to mind is in older Iray documentation, they mentioned a 5 second delay for some functions if you are also using the card as your display card. They said in that older documentation that the delay goes away if you use another card separately for your display. Maybe that's it. We'll see. I know that Octane devs always have recommended a second card just for your display. My older Silencer PSU, even though it's 750 watts can only support one card since it only has two 6+2 connectors so the ASUS will be doing everything until I can get a more recent PSU.
@Kevin Sanderson "even though it's 750 watts can only support one card"
Do you have motherboard video? If so, you should be able to run your video from there.
Nope, no mobo video.
Does the 780TI not support SLI?
I'm curious why no one has done x2 780Ti for ~$600
SLI isn't used for Iray.
Because for 3GB cards, it's not worth it?
CUDA cores aren't going to matter if the scene won't fit in the card's memory, so a 4 GB card is more desirable than a 3 GB card. I'd take a pair of 970s over a pair of 780s at that price.