Capture One Terrible performance with Mac Mini M1 and 4K+ Monitor (Benq SW271C)
I´m using a Mac Mini M1 with a Benq SW271c 4k monitor that I absolutely love. I´m also migrating from a Windows workspace to a macOS one, so I have both machines at disposal.
Capture One has been my raw converter and editor of choice for many years, and it runs great on the Windows machine (i5-9400, GTX 970; so, nothing to write home about, but has a dedicated GPU). No lag when applying masks or slider movement.
On the M1... it gets ugly. The masks (that are drawn with a Wacom Tablet) present a lag of 1s+, which makes it very difficult to judge the adjustment, transforming it in a paint & erase game, as the changes only become effective after my last stroke. I´ve read that Capture One´s solution, previously, would have been to add a eGPU. Considering that is not possible in MX family of chips, what are you guys doing to have a smooth performance on a 4K monitor? Because when I change to the old 2K monitor, it works well, not a lot of lag, if any. But the iMac is 4.5K, and I read the exact same complaints that I have on my 4K Benq.
Will this become a choice between a monitor that I really love, or a machine (M1) that I´m very impressed with? I´ve also read the same complaints on Mac Studio users. So, what is going on with 4K and CO? I can´t say 4K and Mac, because Pr and Ps run fast as hell on a 4K screen. In fact, everything does, but CO.
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Hi Diogo,
I'm using the same monitor without any trouble. But I have experienced some lags when the monitor operating with a scales resolution. Switching to Resolution: Default for Display in Preferences ->Displays and the lag was gone. Maybe this can help you too?
Kassur
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Hello Kassur,
thank you very much for the input! I was running the resolution at "looks like 1440", and it was lagging. At the "Default" resolution it runs better (not Windows better) but the default resolution is 1080, and this is a 4K display. I don´t know where the fault is, but to run a 4K display at 1080, it´s better to swap it for the SW270C, that is native 1440, and save this one the "shame" of running in 1080 as a default macOS resolution.
As I said I don´t know where the fault lies. Pr runs smooth, Ps runs smooth, everything runs smooth. Maybe Phase One needs to spend more time shifting away from a software that is GPU intensive, to a more CPU intensive one, otherwise I don´t see a bright future at macOS with this chips (since you can no longer add an eGPU just for Capture One performance), which was the go to solution from support.
But well, not to start a rant... Thank you very much for the support Kassur. It does run better at Default resolution, although that resolution becomes just 1080, which introduces "real estate" problems, as everything becomes way too big.
Do not know what Phase One is thinking to do about the 4K/5K problem in these chips, that was solved with an eGPU in Intel, but I don´t think it will be anything anytime soon.
All the best!,
Diogo Sousa
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Just an additional information : Phase One (cameras) and Capture One (software) are now two different companies.
I think CPU and GPU are now intricated in the new Apple M1 chips.
I have read in the Capture One support that some issues may occur with high resolution displays. But, first, did you go to Capture One -> Preferences -> Image -> preview size and select the recommended value ?
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Hello Robert,
thank you for your input.
Yes, adjusting preview size to the recommended value (and also disabling Hardware Acceleration) was the attempted solution presented by Capture One Support Team. The first produced a very very minor change for the better (although barely noticeable, a change), the second no.
Your second point is what confuses me. The M1 came out two and a half years ago, it´s been known that macOS was moving to a SoC. Part of the Support reply still included the usual "4/5K needs more GPU Power", which is no longer possible in macOS world! There are complaints of performance in the Mac Mini, iMac (4.5K display), Mac Studio Max (it has a lot more GPU cores than my Mac Mini). Apple displays are now 4.5, 5 and 6K. So, for what I´ve been reading here, what is the solution for macOS users with the current and future architecture? Capture One 23? 24? Will CO only be available to Windows, as it has a dedicated GPU?
I´m raising in this post questions of present, as I wanted to see if there was something I could do now, and future, because the "solutions" from the support are still tied to the past: preview size, hardware acc off, and the usual more GPU. It´s not possible for the last three years moving forward with M chips. "We are moving in the direction of a software that is less GPU intensive" would suffice. I think the lack of a certain direction from the company is what is leaving CO users on the edge. And it is a shame because when it works, it´s a damn fine product.
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I'm experiencing also laggy preview renderings on am Mac Studio M1 Max (32 GB RAM) with latest Monterey.
I think it depends heavily on the amount of layers the a certain image has attached. Sometimes it takes up to 2 seconds to render an image completely sometimes it shows up completely rendered instantly.
strange ...
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Hello Bernhard,
you have way more GPU cores and power than my Mac Mini. In my case, one layer is enough. As soon as I start brushing I have to wait one second or more for it to render. The best strategy is to use a very low flow (3%) and very slow brush movements. That is where it seems to be more responsive, because the calculation is less (that´s my two cents on it...).
So, it seems it is a problem of software optimization... I´ve accessed the RAM/GPU/CPU usage yesterday, and the maximum was 65% GPU really striking the brush at 100% and moving fast, on a 4K display. So, even in the 8-cores of the Mac Mini, there is still room for more computation...
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