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GPU Acceleration in old Mac Pro vs new iMac

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Pieter Viljoen
GPU Acceleration in old Mac Pro vs new iMac
on Aug 25, 2014 at 10:51:16 pm

Hi everyone,

I've got a question about speed.

We have 16 shoots coming in over the next month with about 18-20hrs of GoPro/5D. We're transcoding in Resolve, making new ProRes masters, then transcoding to proxies in Avid for offline edit.

This is a large amount of stuff to have, and it is taking a long time. I have two types of machines available to me. The clone of the production drive is usually USB 3.0 at best.

Would it be faster on the Haswell i7 (16gb of ram) with its mobile GPU (GTX 780M 4096 MB) or an older Mac Pro (4.1 dual quad core) with a new GTX 680? We have stations like this with either 32GB of RAM or 48.

We've actually found the iMacs transcode very quickly vs the older Pros. Will the powerful new GPU in the Pro outpace the iMac? We've got to establish a workflow, because the transcode on the iMac took 20+ hours.


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