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Old Mac Pro and Vega
A few quick questions for those who have done this. Vega 56 card on an old Mac Pro tower, circa 2010-2012. Works or not with Mojave? Ready to go or does it need to be flashed in some way? Performance with FCPX, Premiere, Resolve, etc over older AMD cards like a Sapphire 7950 or other? Thanks.
– Oliver
Oliver Peters – oliverpeters.com
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6 Replies
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FWIW I have a Vega 56 running in my Hack and I didn’t have to do anything special to get it working w/Mojave.
According to this subreddit you might run into power issues unless you mod the Mac:
https://www.reddit.com/r/macpro/comments/9z6epv/macpro_51_amd_gpu_recommendations/ -
Thanks.
– Oliver
Oliver Peters – oliverpeters.com
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[Oliver Peters] “Vega 56 card on an old Mac Pro tower, circa 2010-2012. “
Oliver, if you use the Vega 56 it would be interesting if you could do some simple tests about H.264 encode/decode performance. As you know the big issue with Mac Pros before 2019 is Xeon does not have Quick Sync so they are slow on H264 or HEVC. The 2019 Mac Pro is believed to use the T2 chip for this.
AMD GPUs have H264 hardware acceleration similar to Quick Sync, called UVD/VCE. It has multiple verions, and supposedly has not been used by MacOS or FCPX until (maybe) the most recent versions and only on certain platforms. Max Yuryev commented he thinks on some machines FCPX will use AMD Vega hardware acceleration, see 6:00 into this video: https://youtu.be/r2S6o4aml5Y
If there is any way an older Mac Pro could be upgraded with a late-model AMD GPU which MacOS and FCPX use for H264 acceleration this would be a big improvement.
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[Joe Marler] “Oliver, if you use the Vega 56 it would be interesting if”
I decided to go a different route. That was mainly a “what if” question for various options to consider. Thanks.
– Oliver
Oliver Peters – oliverpeters.com
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The 2019 Mac Pro is very quick at encoding to h264 and HVEC compared with the iMac Pro. Presume this means that hardware encoding is enabled.
Co-owner at Pollen Studio
http://www.pollenstudio.co.uk -
[Tom Sefton] “The 2019 Mac Pro is very quick at encoding to h264 and HVEC compared with the iMac Pro.”
At the moment, the latest Adobe AME is crippled on my system due to a bug.
I can’t for the life of me get h264 out of the base After Effects render output ☹
So it’s ProRes > AME > h264 for every move I make here 😛
Its a known bug with AE 17.0.6.Running a 2019 MP with a single Vega II here.
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