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Will 1080 Ti improve my 4K rendering times?

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Ramon Trotman
Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 4:20:32 pm

Hey there, I am currently using a GTX 780TI to render my 4k videos, although i was once happy with rendering times with 1080p, when i made the switch the 4K the rendering time is out of control. I am looking to make the investment in the GTX 1080 TI if it would help my rendering times. Can anyone advise on this topic?


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Ole Kristiansen
Re: Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 5:13:22 pm

Hi Ramon !

You have to give more information about your footage and computer !


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Ramon Trotman
Re: Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 5:15:37 pm

I am running an unlocked i7, 16gb of ram and the 780ti.


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Ole Kristiansen
Re: Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 5:20:58 pm

i7 k - model ? Motherboard ? Harddrive/ssd ? Video footage ? Render codec in Vegas ? More information !


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Ramon Trotman
Re: Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 5:30:02 pm

I am rendering off a SSD, the render codec is MP4.


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Aaron Star
Re: Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 5:40:17 pm

The 1080 would only improve rendering with timeline computations of effects, and a very small amount of codec computation. I think the real issue would be the stability of the NVidia's support of OpenCL. There is also the recent issue that people had with Vegas preview and the NV lastest drivers.

We should be seeing the release of AMD Vega in the next month or so. The Vega GPU will have 8GB of HBM2 and perform at 12.5 TFLOPS. The 1080ti is around 10 TFLOPS.

The fastest CPU, optimizing your motherboard architecture, and running 16-32GB of the fastest stable memory you can stick on your MB will be the best improvements for Vegas rendering. Clearly you want a good GPU that will help plow through the tough timeline effects that benefit from OpenCL computation abilities. The GPU adds certain enhanced math abilities that far exceed the performance of the CPU, but does not handle all aspects of the timeline or rendering like the CPU.


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Ramon Trotman
Re: Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 5:54:03 pm

So based on what you're saying here, and Ole's last response, getting a 1080ti wouldn't increase my render times that much. Also, the slow render times could be coming from the fact that I have an older i7 (i have the 4820k?)

So what would be my course of action aside from going with amd? Upgrade i7 and get something like a 980?

Is there anyone aggressively rendering 4K? What does that setup look like?


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Ryan Gray
Re: Will 1080 Ti improve my 4K rendering times?
on Sep 26, 2017 at 4:28:54 am

What is the absolute BEST graphic card for rendering 4K material down to HD 1080p files or 480p (DVD) files? I have an AMD Ryzen processor and an AMD RX 580 GPU....but sometimes during rendering in Vegas Pro 13 it does fine and then inexplicably stops and says 0 frames rendered, black screen. Nada. Don't know what is causing this. Is there a better card that I should use? Or should I upgrade to VP14 or 15, do they handle 4K any better?

I'm hearing about the AMD Vega as well, would this be a good purchase? https://www.amazon.com/MSI-Radeon-RX-Vega-64/dp/B074V9ZK42/ref=sr_1_1?s=ele...

Thanks for your help.


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Ramon Trotman
Re: Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 5:20:20 pm

I7, 16gb, GTX 780ti. Footage is 3840 x 2160.


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Ole Kristiansen
Re: Will 1080 Ti improve my 4K rendering times?
on Mar 6, 2017 at 5:43:41 pm

Hard compress h.264/mp4 need a power full cpu ! If you look at the specs. for Vegas and 4K the say you need a 8-core i7 5960x !


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David Meservy
Re: Will 1080 Ti improve my 4K rendering times?
on Oct 12, 2018 at 7:25:05 pm

This is an old thread, but I wanted to share my results in going from a GTX 1060 to a GTX 1080 on an 8 core box with 32GB of memory.

It reduced my UHD render times by about 6%. The same video rendered on a friend's box is 40% faster. He has double the cores (threadripper) and a GTX 1080 ti.

Without systematic testing it is difficult to be positive, but the obvious conclusion is that a CPU upgrade will net you a better return than the video upgrade.


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Aaron Star
Re: Will 1080 Ti improve my 4K rendering times?
on Oct 14, 2018 at 5:50:02 pm

As someone said earlier in the thread, it is hard to offer suggestions with out details on specific hardware, Vegas version, project setting, media format info, and details on effects being used, ect.

For cuts only editing CPU is king with a certain amount assist from the GPU. For editing that contains computation heavy effects like blurs, the GPU would show performance improvement.

You could trying converting your source media to another format, then test renders using that format to see if there is optimization between formats. For example, convert XAVC-s to Intra format, or xavc to prores, or h264 camera phone original to one of the previsious mentioned formats.


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Brent Holland
Re: Will 1080 Ti improve my 4K rendering times?
on Oct 24, 2018 at 7:19:47 am

heads up first I bought a brand new lap top with a 1060 installed and can't open up any version of Pro, it gets stuck a GPU Initializing. Have spotted other forums with others with the same problem. No solution to the problem, maybe a compatibility issue. Just a friendly heads up to be prudent


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