iMac Pro user experiences?

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Ed Rudolph

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Re: iMac Pro user experiences?

PostFri Jan 12, 2018 8:13 pm

Any more recent experiences with this machine?
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Dermot Shane

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Re: iMac Pro user experiences?

PostSat Jan 13, 2018 3:05 am

my clients did order one, a basic config, but have not received it yet
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Chris Kenny

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Re: iMac Pro user experiences?

PostSat Jan 13, 2018 10:17 pm

Andrew Kolakowski wrote:Those temps really high. Apple does allow for CPU to go to very end if its ability, which is good, but in the same time bit worrying.
I hope at some point there will be an app to control fan speed and force it to higher RPM to get bit lower temps.
There may be some logic to slow down CPU after it operates to long at such a high temps.


Taking spec sheets seriously and running parts much closer to their rated thermal limits than most system builders do is standard Apple practice. Doing this got them into some trouble with the GPUs in the 2013 Mac Pro, but it seems to work fine with Intel CPUs.
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Dan Sherman

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Re: iMac Pro user experiences?

PostSat Jan 13, 2018 11:25 pm

Chris Kenny wrote: Doing this got them into some trouble with the GPUs in the 2013 Mac Pro, but it seems to work fine with Intel CPUs.


It might run perfectly fine for the first year or two or even three, but running them that hot is definitely shortening it's life span. How much it shortens it will depend on how often the owner is pushing it hard.
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Chris Kenny

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Re: iMac Pro user experiences?

PostSun Jan 14, 2018 7:54 am

Dan Sherman wrote:It might run perfectly fine for the first year or two or even three, but running them that hot is definitely shortening it's life span. How much it shortens it will depend on how often the owner is pushing it hard.


Apple has been doing this for years. If it produced mass CPU die-offs after a few years, we'd know about it by now. A lot of non-Apple notebooks let CPU temps exceed what DIY builders quote as target max temps for desktops too. Presumably these vendors have discussed this approach with Intel engineers and were assured this is fine. I suspect the common wisdom about ideal max temps is just overly conservative for modern parts.
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Andrew Kolakowski

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Re: iMac Pro user experiences?

PostSun Jan 14, 2018 12:11 pm

Yes and this is actually one of the things which I don't like about my Mackbook Pro. It will keep fan at 0 RPM and let CPU to get to 75C and make case warm. I rather have fan running at eg. 1500RPM (which you can't hear at all) and have CPU at 45C.

As pointed- when this happens time to time it's probably not really important, but when it's continues then it may be different story. I also assume Apple knows what they are doing, but whole saga with Mac PRO overheating doesn't really proves it.
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Samuel Berger

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Re: iMac Pro user experiences?

PostTue Jan 16, 2018 3:42 am

I'm considering one as a future purchase. But it will be disappointing to find out that the only solution to my current problem with Resolve is to buy an expensive iMac.
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Samuel Berger

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Re: iMac Pro user experiences?

PostThu Jan 18, 2018 6:17 pm

Would the base model be sufficient for Resolve? It has 8 cores, 32GB RAM and AMD Radeon Pro Vega 56 (8GB HBM2). I'm tempted.
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Jack Fairley

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Re: iMac Pro user experiences?

PostThu Jan 18, 2018 8:06 pm

Samuel Berger wrote:Would the base model be sufficient for Resolve? It has 8 cores, 32GB RAM and AMD Radeon Pro Vega 56 (8GB HBM2). I'm tempted.

It's hard to say without knowing more about your requirements. HD? 4K? Beyond? What kind of media?
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Samuel Berger

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Re: iMac Pro user experiences?

PostThu Jan 18, 2018 9:30 pm

Jack Fairley wrote:
Samuel Berger wrote:Would the base model be sufficient for Resolve? It has 8 cores, 32GB RAM and AMD Radeon Pro Vega 56 (8GB HBM2). I'm tempted.

It's hard to say without knowing more about your requirements. HD? 4K? Beyond? What kind of media?


Hi, I'm looking to do 4K grading and editing from Blackmagic Ursa Mini Pro RAW DNGs. Thank you.
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Francois Dompierre

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Re: iMac Pro user experiences?

PostFri Jan 19, 2018 2:45 pm

Samuel Berger wrote:
Jack Fairley wrote:
Samuel Berger wrote:Would the base model be sufficient for Resolve? It has 8 cores, 32GB RAM and AMD Radeon Pro Vega 56 (8GB HBM2). I'm tempted.

It's hard to say without knowing more about your requirements. HD? 4K? Beyond? What kind of media?


Hi, I'm looking to do 4K grading and editing from Blackmagic Ursa Mini Pro RAW DNGs. Thank you.


On the 10-core model with Vega 64 I can work with Blackmagic RAW DNG's no problem in a 4K timeline. I would think the 8-core can handle it, but you should at least get the Vega 64. Don't count on realtime noise reduction though in a 4K timeline (I get about 19fps with one GPU) but the rest is pretty smooth, it's a very capable machine. You can also work in an HD timeline and do your final output in 4K. You might get realtime noise reduction that way.
François Dompierre
Senior Colorist / Finishing Editor
YAKOUL & LOUKAY
Montréal, Canada

2012 Mac Pro 12-core 3.33GHz | 32GB RAM | Dual Titan Xp 12GB
DeckLink Mini Monitor 4K | Teranex Mini (as a LUT box)
macOS 10.13.6 | Resolve Studio 15.1.2.008
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Ed Rudolph

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Re: iMac Pro user experiences?

PostWed Feb 07, 2018 3:46 pm

Any more anecdotes?
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Charles Lyons

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Re: iMac Pro user experiences?

PostWed Feb 07, 2018 11:46 pm

I'm able to play and edit RAW 3:1 4.6K Ursa Mini footage in a UHD timeline, haven't had to make proxies or optimize media yet (though I probably will at some point, if only to reduce the amount of wear on my main media drives). Have done some basic color grading too. Haven't heard the iMac fans come on yet, though that could be because the RAID fans are louder.
Resolve 14.3.0.014
iMac Pro 10-core 3.0 GHz Xeon
64GB RAM / Vega 64 GPU w 16GB VRAM / 2TB SSD
High Sierra 10.13.4 (17E199)
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