What graphics card are you editing 400mb/s GH5 files with Resolve?

Forkenbrock · Oct 31, 2017

I need a new graphics card. My current hardware with is not working well on Resolve for any of the GH5 encoding options, even with an AMD Ryzen CPU.

I'm considering the Nvidia 1080 (since the 1080TI is probably out of my price range). Would hate to upgrade my SD card to handle the new 400mb/s files, only to find out my new 1080 can handle them. Please give your feedback if you've had any experience so far with these files.

Vesku · Oct 31, 2017

Forkenbrock said:
I need a new graphics card. My current hardware with is not working well on Resolve for any of the GH5 encoding options, even with an AMD Ryzen CPU.

I'm considering the Nvidia 1080 (since the 1080TI is probably out of my price range). Would hate to upgrade my SD card to handle the new 400mb/s files, only to find out my new 1080 can handle them. Please give your feedback if you've had any experience so far with these files.

GH5 400Mbs all-i is supposed to be easy to edit. It has very easy compression compared to complex 150Mbs ipb long GOP codec. You dont need the best graphic card for all-i.

Another question is are you sure you want to use 400Mbs and expensive cards. The 150Mbs ipb has practically the same quality.

Ludvig · Nov 1, 2017

I'm using a GTX 1060 with Resolve 14 (the free version), and I can't see any problems adjusting the colors and rendering files.

TXDego · Nov 1, 2017

I have RX480 which is same as RX580 and have no issues using Resolve, however Resolve is optimized for Cuda vs Premiere which is optimized for OpenCL.

NVida is only card manufacture using Cuda, so I would recommend going with NVida and buying the 1080, NOT the 1070ti. Now that some of the testing is out, the 1070ti is not quite a fast as 1080 but costs the same, the 1070ti is a better mining card though. Have been seeing a lot of 1080 sales last 2 weeks in the $469 range, my guess is come Black Friday a 1080 can be had for under $450, even as low as $400 would not surprise me. The regular 1070 have been hovering around $399, and its worth the extra $50 or so to jump up to a 1080.

Pick up a 1080 and call it done, look for one with 2 blowers vs 1 blower, that card runs hot. Good Luck!

Forkenbrock · Nov 1, 2017

Vesku said:
GH5 400Mbs all-i is supposed to be easy to edit. It has very easy compression compared to complex 150Mbs ipb long GOP codec. You dont need the best graphic card for all-i.

Another question is are you sure you want to use 400Mbs and expensive cards. The 150Mbs ipb has practically the same quality.

Yes, I noticed the other day when I tried switching to the 200mb/s 2K/60fps/all-i that it was editing much smoother than the previous footage I had taken, but didn't realize what was going on until you mentioned this.

Thanks for the feedback everyone.

Rambalac · Nov 1, 2017

It does not matter what graphics card you are using. Most complex part is video effects and compression. That depends mostly on video resolution and frame rate, not input encoding.

pgb · Nov 3, 2017

Have you tried render cache ?

Forkenbrock · Nov 9, 2017

pgb said:
Have you tried render cache ?

I'll give that a shot and let everyone know how it goes.

I'm using this card now. Definitely an improvement over my 2G AMD card, but playback is still very jittery. Not shooting in All-I seems to be the biggest mistake. I tried optimized media; even with the smallest files, they didn't play back any better than the native files.

EVGA GeForce GTX 1050 Ti SC GAMING, 4GB GDDR5, DX12 OSD Support (PXOC) Graphics Card 04G-P4-6253-KR

I'm curious what effect a card upgrade has on the MP4/h.264 encoding. I know it must be much faster and maybe large files are less likely to fail, but I assume the file picture quality will be exactly the same?

Forkenbrock · Nov 10, 2017

pgb said:
Have you tried render cache ?

Confirmed, Render Cache and Optimized media made little difference with my files.

Rambalac said:
It does not matter what graphics card you are using. Most complex part is video effects and compression. That depends mostly on video resolution and frame rate, not input encoding.

I don't think this is correct. Yes, I've found this to be true with Final Cut, but playback in Resolve seems to be directly dependent on the graphics card specs.

buggz · Nov 10, 2017

Would going from a GTX 1050ti to a GTX 1080ti make abig difference in Resolve?

Anyone done this?

a7sastro · Nov 11, 2017

would take too much energy to start.

Just saying, don't believe what you read here.

Also, DPreview isn't the smartest place for video.

a7sastro · Nov 11, 2017

Rambalac said:
It does not matter what graphics card you are using. Most complex part is video effects and compression. That depends mostly on video resolution and frame rate, not input encoding.

false.

a7sastro · Nov 11, 2017

TXDego said:
however Resolve is optimized for Cuda vs Premiere which is optimized for OpenCL.

false.

TXDego · Nov 12, 2017

a7sastro said:
a7sastro said:

however Resolve is optimized for Cuda vs Premiere which is optimized for OpenCL.

Click to expand...

false.

BMD From the change log of R14 b4:
"Added support for hardware accelerated H.264 decoding when using NVIDIA GPUs on Linux and Windows"

Just in case you missed that detail from BMD support ;-)

Forkenbrock · Nov 19, 2017

a7sastro said:
would take too much energy to start.

Just saying, don't believe what you read here.

Also, DPreview isn't the smartest place for video.

I don't find much useful info in your opinion. Resolve is fairly clear that their software requires certain graphics performance. We're just trying to figure out if anyone has specific experience with these files and hardware.

https://www.dcinema.me/davinci-resolve-system-requirements-a-reality-check/

pgb · Nov 19, 2017

Forkenbrock said:
pgb said:

Have you tried render cache ?

Click to expand...

Confirmed, Render Cache and Optimized media made little difference with my files.

Rambalac said:

It does not matter what graphics card you are using. Most complex part is video effects and compression. That depends mostly on video resolution and frame rate, not input encoding.

Click to expand...

I don't think this is correct. Yes, I've found this to be true with Final Cut, but playback in Resolve seems to be directly dependent on the graphics card specs.

You could transcode to HD, Prores Proxy or DNX 36 and then re-link for final export
and grade tweaks, Resolve has a very robust workflow for this. Make sure you generate
reel numbers from filenames if they are unique before you transcode.

GiM_6x · Mar 23, 2018

TXDego said:
a7sastro said:

TXDego said:

however Resolve is optimized for Cuda vs Premiere which is optimized for OpenCL.

Click to expand...

false.

Click to expand...

BMD From the change log of R14 b4:
"Added support for hardware accelerated H.264 decoding when using NVIDIA GPUs on Linux and Windows"

Just in case you missed that detail from BMD support ;-)

I had an issue with my nVidia card and BMD support pointed me to R14 spec files where it states is is optimised for an OpenCL 2.0+, and second for Cuda.

So, DaVinci Resolve, need a PC build for OpenCL 2.0+ as for best performance.

I have to buy a new computer. . . :-(

1DSmII · Mar 24, 2018

GiM_6x said:
TXDego said:

a7sastro said:

GiM_6x said:

however Resolve is optimized for Cuda vs Premiere which is optimized for OpenCL.

Click to expand...

false.

Click to expand...

BMD From the change log of R14 b4:
"Added support for hardware accelerated H.264 decoding when using NVIDIA GPUs on Linux and Windows"

Just in case you missed that detail from BMD support ;-)

Click to expand...

I had an issue with my nVidia card and BMD support pointed me to R14 spec files where it states is is optimised for an OpenCL 2.0+, and second for Cuda.

So, DaVinci Resolve, need a PC build for OpenCL 2.0+ as for best performance.

So how would you find out if your PC supports OpenCL 2.0+?

I just looked at my CPU specs, and can't see it:

Intel product specifications

Intel® product specifications, features and compatibility quick reference guide and code name decoder. Compare products including processors, desktop boards, server products and networking products.

ark.intel.com

GiM_6x · Mar 25, 2018

1DSmII said:
So how would you find out if your PC supports OpenCL 2.0+?

I just looked at my CPU specs, and can't see it:

https://ark.intel.com/products/88196/Intel-Core-i7-6700-Processor-8M-Cache-up-to-4_00-GHz

What graphics card are you editing 400mb/s GH5 files with Resolve?

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