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Expiriences with the iMac

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Dennis Squadrazzino
Expiriences with the iMac
on Mar 12, 2018 at 12:30:30 pm


I'm looking for a new PC or Mac. Coming from a Macbook pro, I'd like to continue using Apple computer.

Most of my work is Motion Graphics and VFX (including Trapcode Suite) in After Effects. I also edit and Colour Grade 4k Videos in Premiere and do a lot of drawing in Photoshop. I'm still using CS6.

Important to me is a good display and a fast and stutterfree perfomance without having to pre-render the material in Premiere all the time and fast render times (out of After Effects and Premiere). Considering the time i spend on the individual programs, I'd say I'm a 60 % After Effects, 20% Premiere and 20%Illustrator/Photoshop user.

I figuered out, that i need specs like:

Intel i7, Quad Core, at least 3,4 GHz
Nvidia Graphic Card with at least 4GB

I wonder if there are some iMac users here, that could tell a bit about their expirience so far. Does the iMac (for example this one:

3,6 GHz Quad‑Core Intel Core i7
32 GB 2400 MHz DDR4
1 TB Fusion Drive
Radeon Pro 560, 4 GB

work well with 4K Video Editing in Premiere and heavy workload in After Effects? I know the Radeon Pro 560 is not as advanced as e.g. an Nvidia GTX1080, but do you notice significant stuttering or slow performance? I heard, for After Effects it's more important to have CPU than GPU, also there are some effects which need a good Graphic card.
Do you expirience Overheating problems?

Thanks a lot!

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Steve Bentley
Re: Expiriences with the iMac
on Mar 12, 2018 at 3:56:11 pm

I've got both Mac and PC's sitting in front of me and I'm a die hard Mac guy from way back.... but. If you look at cost/performace its hard to stay in the Mac camp. We recently added a new big box to our arsenal with specs like 24 cores, running overclocked at nearly 4 ghz, 128gb of Ram and a not-too-big Nvidia. On the PC side that came in around $4500. On the Mac side it was pushing $12k!
As for the graphics card, while there are more and more features in AE taking advantage of the myriad Cuda cores on Nvidia, it's really the Ray tracing in Ae's 3D world that uses them. I think for Particular it's just the preview in the new Designer area that uses the cores. I haven't seen a huge difference in render times in the comp. For the kind of work we do we've found more physical cores have been better than more Cuda cores.
Re stuttering - We did have shredding problems on the big box at the beginning with Nvidia - and that was a first for us after dozens and dozens of Nvidia cards. It turned out to be a monitor incompatibility in one case and a digital vs analong DVI input in another. The Nvidia guys are stupid smart so you shouldn't see any issues. If you do it's probably not the card. Make sure to download the latest drivers from Nvidia and not from your card manufacturer.

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Steve Bentley
Re: Expiriences with the iMac
on Mar 13, 2018 at 8:44:57 pm

We'll if you are going to say with CS6 keep in mind that it won't saturate either the processor or the ram like newer versions will. I don't remember if it was finally in AE2017 or 2018 but the first time I saw all my procs pegged and the ram filled to the brim I almost cried - finally after all these years! Now if they could just get their memory management system sorted, and y'know a proper paint.
If only adobe owned a preeminent paint package they could maybe borrow from.

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Dennis Squadrazzino
Re: Expiriences with the iMac
on Mar 14, 2018 at 8:58:00 am

Thanks you both for your answers. I still have the installation image for Yosemite, so i'm planning to use Yosemite on the iMac, if there is a problem. CS6 seems to have several issues on High Sierra. Not an ideal situation, but I really don't want to go with CC.

Maybe i will switch to Windows. Hope there will be a competitor for Adobe and After Effects soon!

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