Can GPU Acceleration Improve Render Times???

Iver Hicarte · May 13, 2017

Sony Vegas Pro 13 supports gpu acceleration, I have this enabled by default, however, this feature makes my windows 10 crash while rendering a video, so a solution that I have found is to disable this feature. So can this "gpu acceleration" thing improve render times?? I need to know the answer ASAP because I think disabling this option is a huge loss to me, since I care a lot about render times.

drkatz42 · May 13, 2017

Yes, gpu acceleration improves render times.

Iver Hicarte · May 13, 2017

drkatz42 :

By how much??

YoAndy · May 13, 2017

Can you list your GPU?

Not all codecs support GPU Rendering, and the most used one ( MainConcept ) is not updated for a few years now ( since it was purchased by DivX ). That means that the last GPU units to be supported are the 5xxx and 6xxx Radeon Series. Forget about nVidia GPUs as the OpenCL on these is a lot worse than on AMD. So unfortunately newer GPUs such as yours(if you have a newer card) won't do much help.
Activate GPU Processing in Vegas and try to render a small file ( 30 sec movie ) as an Core AVC .mp4 file with both CPU Only and GPU and note the time differences. I hope I am wrong

The speed gain when rendering with GPU rather than just CPU is INSANE - sometimes it's about 4-5 times, and if you use Video FX that are GPU Accelerated - that speed could be even higher ( if you use supported GPUs of course ).
I've seen my friends use his HD6950 just for Vegas and I must say the speed gain is VERY visible.

Iver Hicarte · May 13, 2017

YoAndy :

Can you list your GPU?

Not all codecs support GPU Rendering, and the most used one ( MainConcept ) is not updated for a few years now ( since it was purchased by DivX ). That means that the last GPU units to be supported are the 5xxx and 6xxx Radeon Series. Forget about nVidia GPUs as the OpenCL on these is a lot worse than on AMD. So unfortunately newer GPUs such as yours(if you have a newer card) won't do much help.
Activate GPU Processing in Vegas and try to render a small file ( 30 sec movie ) as an Core AVC .mp4 file with both CPU Only and GPU and note the time differences. I hope I am wrong

The speed gain when rendering with GPU rather than just CPU is INSANE - sometimes it's about 4-5 times, and if you use Video FX that are GPU Accelerated - that speed could be even higher ( if you use supported GPUs of course ).
I've seen my friends use his HD6950 just for Vegas and I must say the speed gain is VERY visible.

My gpu is the rx 480 from msi with 4gb gddr5 memory.

YoAndy · May 13, 2017

Watch this and make sure you are doing everything correct.
https://www.youtube.com/watch?v=62cw75dt0g4

Iver Hicarte · May 13, 2017

YoAndy :

Well. I'm an advanced sony vegas user, I pretty much know the info in this video. But thanks for trying to help me out.

Iver Hicarte · May 13, 2017

I did some test, I rendered a 30 sec video, and it turns out the difference is only 1 second! So I'll rather turn off this feature since it crashes my os while I'm rendering a video. I rendered the video using cpu only on the 1st trial and with the gpu acceleration thingy on the second trial.

YoAndy · May 13, 2017

Yes that's not a really useful feature and it may be having a driver issue so yeah you are right is better to turn it off since 1 second is nothing.

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Can GPU Acceleration Improve Render Times???

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