I have a GTX 950 FTW. If I buy a more powerful GPU, will it reduce my rendering times?

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Morrigan_1

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Current PC specs:
Windows 7 Ultimate
i7-4790k (not overclocked) Standard 4.00 GHz which turbos to 4.4
16 GB RAM
GTX 950 FTW Edition
Software: Sony Vegas Pro 13.0
I Edit and Render 1080p60 videos

I don't have a powerful graphic card because I hardly game on the PC and I'm fine with 1080p.
Will my rendering times be significantly reduced if I purchase a much more powerful GPU?

And if so, what GPU's would you recommend?
My budget is around $400 / £350

My second question is whether having 2 GPU's will cut my render times in half. Is it worth getting 2x GTX 950 FTW's? OR should I buy 2x more powerful cards?

I was unable to find answers to these questions so I'm hoping you guys can help me out.
Thank you
 
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A
Seeing that you have cuda properly working, I would go with a GTX 1070 which should cut your rendering times into a third or less. A 970 would cut your render times in half. Depending on how things are implemented in Vegas Pro, the 8GB VRAM on the 1070 might be a sizeable boost over the 4(ish)GB on the 970 and the 2GB on your 950. Both are excellent upgrade choices, it's just a matter of budget. The 1070 costs a little less than double a good deal on the 970 and has a little less than double the performance.

RAM usage is entirely dependent on complexity and length of the project. Simple answer? If you're maxing out your RAM, more might be beneficial.
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Trafalgar747

Trafalgar747

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madmatt30

madmatt30

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Are you actually rendering using cuda GPU acceleration ??

If so then for £200 a 970 would likely cut render times in half.

Zotac GeForce GTX 970 Graphic Card (4GB, DDR5, 256 Bit) https://www.amazon.co.uk/dp/B00NNXVPS2/ref=cm_sw_r_em_apa_ZKYKxbVD2E18S]
 
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apk24

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If it's cuda accelerated, a 1070 would be almost double the performance of a 970.
Doesn't a 970 lack hardware h.264 and hevc encoders, but a 1070 have those? If so, encode times could decrease dramatically too

This is all true provided CUDA is supported, I don't remember if it is on Vegas Pro. If I remember correctly, you have to do weird things for gpu accelerated rendering and encoding.It's not a simple switch like Adobe products. Then again, I haven't actually used Vegas Pro for any real time and my knowledge on it is purely academic since my school provided CS5.

I'm a proponent of getting the best (sensible) option you can afford, it'll last you longer.
I'd go with trafalgar's 1070 recommendation.
 
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madmatt30

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The issue is that no-one here knows for sure if pascal cards are supported in Vegas13 .

Support for maxwell is still sketchy , some people have it working fine , some dont, entirely depending on system configuration, drivers & render options in the program itself .
This is why I asked if he successfully uses cuda rendering at the moment on 950 because if he does the 970 doubles raw rendering power outright.

The 1070 is not worth double a 970 pricepoint unless you are gaming at 1440p aswell.

& hevc native support isn't really worth anything unless you actually depend on using it.
H.264 - irrelevant , its a packing format not a video codec.

 
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apk24

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Pretty sure H.264 is more than a container. MP4 is the commonly used container, H.264 or AVC is the codec.

As far as I know, CUDA is backwards compatible, if CUDA is supported on Maxwell Cards, it is supported on Pascal Cards (It just doesn't fully utilise the new functions in the api). You still get all the performance gain of a more powerful card.

A quick search has shown me that Vegas Pro 13 does in fact support using GPU, and it is a simple setting to enable it, not the convoluted mess I remember (in preferences under the video tab). But it uses OpenCL, not CUDA. According to AnandTech Benchmarks on Vegas Pro 12, this has usually been the domain of AMD'sd cards. I didn't find (but you might) a good comparision between GTX 970 and R9 380 or any Vegas Pro render benchmarks including the GTX 1070.



 
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madmatt30

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Maxwell supports h264 /avchd anyway mate in all honesty.
Op has never got back anyway , without knowing whether he actually has cuda rendering working properly on his current 950 its actually quite hard to recommend anything if gaming is unimportant.
 
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Morrigan_1

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Thanks for all the answers guys!
Yes, Vegas 13 has CPU, Cuda and OpenGL rendering options. I'm currently using Cuda but I wasn't sure how much of an improvement I'd get by upgrading to a good GPU.

I'm currently stuck because I don't know whether to go SLI or to buy a single powerful GPU. I'm also not sure whether to upgrade ram to 32GB (CL9 1866 Mhz?) . Will something like a GTX 970 really cut my render times by half?

I'm basically trying to look at every possible option to cut my rendering times and seeing as I have a good enough CPU already I need you guys (the experts) to advise me on good GPU choices.

My motherboard: MSI Gaming 5
My Case: Thermaltake Overseer RX-I
 
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apk24

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Seeing that you have cuda properly working, I would go with a GTX 1070 which should cut your rendering times into a third or less. A 970 would cut your render times in half. Depending on how things are implemented in Vegas Pro, the 8GB VRAM on the 1070 might be a sizeable boost over the 4(ish)GB on the 970 and the 2GB on your 950. Both are excellent upgrade choices, it's just a matter of budget. The 1070 costs a little less than double a good deal on the 970 and has a little less than double the performance.

RAM usage is entirely dependent on complexity and length of the project. Simple answer? If you're maxing out your RAM, more might be beneficial.
 
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