- Aug 11, 2011
- Gigabyte Z490 Vision D
- RX 6800 XT
I made a new project, 4K60, on DR 16.2.3, exporting only the .mov to MP4 H264, using 'use hardware acceleration if available', with 'automatic' quality. It took 35 seconds. I'm on 64GB RAM, iMacPro1,1, iGPU disabled in BIOS.
Really interested to see if there's any difference, @verendus!
Thanks for taking the time to run the test. Just ran the same test with the same setting. I am on 32GB, iMac19,1, iGPU headless (0x3E980003), DR16.2.3.
21 seconds. That is roughly 60% (or 40% increase in speed) of using dGPU. The only difference would be my Radeon VII vs your Vega 64, but as I said, the majority of encoding work in our case is carried out by the CPU (QuickSync vs intel cores). I'd be interested in seeing how T2 chip in new MBP or iMac might fare in this test.
For those who use FCPX, the export was 22 seconds with the same setting.
So the moral of the story: If you can, enable iGPU headless mode and use iMac19,1 to maximize your export. QuickSync DOES make a big difference in encoding performance in DR and FCPX.