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Old September 19th, 2018, 05:58 AM   #1
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iMac for 3 streams of GH5 4K?

Hi Guys,

Thinking about getting a new iMac, the 4.2GHZ i7 with the 8GB 580 and 40GB of ram and 512GB SSD.

Is anyone here using this machine or similar to do multicam edits with GH4/5 8bit 4k files?
Im trying to get a no proxy workflow (proxies work for me now, but want to bypass the encoding time).
I also need to be able to smoothly use the JKL keys, so at least 3x fast forward.

Is this a big ask? Am I better off to get the iMac Pro?
I wish I could take an external drive into a shop and just try them out....
Any feedback appreciated
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Old September 19th, 2018, 08:05 AM   #2
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Re: iMac for 3 streams of GH5 4K?

I bought the same iMac configuration a year ago. If I was buying today I would go with the iMac Pro. Bring in an external drive to your Apple store. I did. The new iMacs work best with TB3 external drives.
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Old September 19th, 2018, 03:09 PM   #3
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Re: iMac for 3 streams of GH5 4K?

I would be wary of expecting the i7 iMac to handle three streams of 4K files un-optimized from the GH5. Each of those are hefty h264 files that need real-time decoding before it can run in the program smoothly. If you can get your local dealer to run this multicam set-up in FCPX on a showroom model then do it. But a minute of working isn't going to tell you, you need to run the simulation for a while (with cutting) to see if the video card can hold up to the computational strain.
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Old September 21st, 2018, 04:57 AM   #4
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Re: iMac for 3 streams of GH5 4K?

Found an Apple store about an hour away with a iMac Pro Base model on the floor. They are happy to let me bring in a drive with a library on it and test it out.
Will report back.
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Old October 30th, 2018, 04:52 PM   #5
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Re: iMac for 3 streams of GH5 4K?

So... any update?
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Old October 31st, 2018, 02:36 AM   #6
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Re: iMac for 3 streams of GH5 4K?

Sorry, no updates from me.
I ended up finding info that confirmed the iMac pro was a poor choice for the codecs I edit.
Was waiting for todayís Apple event to see the updated iMacs but there doesnít seem to be any news.
Guess Iíll get a Mac Mini lol
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Old October 31st, 2018, 01:58 PM   #7
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Re: iMac for 3 streams of GH5 4K?

To be honest I would rather use something like Roland V-1HD and an HDMI - USB converter into a computer for three or four cameras. https://www.proav.co.uk/roland-v-1hd...hoCw9QQAvD_BwE
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