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Mojave Performance

I've tried a couple of betas of Mojave, one of the early ones and a pre-release one. Apparently disk performance is somewhat better in Mojave, but UI performance is worse, at least on my machine (late 2013 15" rMBP with nVidia GeForce 750M GPU).

Spaces and window resizing are somewhat slower. And dragging windows, especially ones with lots of UI elements (like GarageBand) between displays is A LOT slower, but maybe a bit better than in High Sierra, which I tried a couple of times but reverted to Sierra via a Time Machine backup each time. There's almost no lag, when dragging windows between displays of the same type (Retina-Retina, non-Retina-non-Retina), but a very significant lag when dragging from a Retina to a non-Retina screen or back. I don't like this at all, especially since it's butter smooth in Sierra and I have two non-Retina 24" monitors connected to my laptop most of the time.

I'm not sure if this is because I have an nVidia GPU. If you have a MacBook with iGPU only or an ATI one, please feel free to share your experience. It'd be interesting to know. So far, I have used the Feedback Assistant app to let Apple know about the issue and really hope they will fix this soon. I plan to give 10.14.2 or 3 another go, and if nothing changes skip Mojave entirely like I did with High Sierra.

There's nothing particularly new about Mojave (at least on the surface, I know there are a lot a new APIs for developers and I'm personally interested in giving Swift 5 a try in early 2019) compared to Sierra, but I find UI lag during window management disruptive for my productivity.

I have also submitted feedback on Accessibility. I can't stand transparency in user interfaces and have it disabled on my iOS and macOS devices. All is good, except in Mojave the background color with "Reduce Transparency" option enabled is no longer gray, it's bluish for me (I guess, it now depends on the dominant color of your wallpaper), which makes for a lower contrast and hard to read text, about as hard as with transparency enabled.

If not for these two regressions, I would be using Mojave today. Haven't noticed other serious issues with it.
 
Brovatar said:
I've tried a couple of betas of Mojave, one of the early ones and a pre-release one. Apparently disk performance is somewhat better in Mojave, but UI performance is worse, at least on my machine (late 2013 15" rMBP with nVidia GeForce 750M GPU).

Spaces and window resizing are somewhat slower. And dragging windows, especially ones with lots of UI elements (like GarageBand) between displays is A LOT slower, but maybe a bit better than in High Sierra, which I tried a couple of times but reverted to Sierra via a Time Machine backup each time. There's almost no lag, when dragging windows between displays of the same type (Retina-Retina, non-Retina-non-Retina), but a very significant lag when dragging from a Retina to a non-Retina screen or back. I don't like this at all, especially since it's butter smooth in Sierra and I have two non-Retina 24" monitors connected to my laptop most of the time.

I'm not sure if this is because I have an nVidia GPU. If you have a MacBook with iGPU only or an ATI one, please feel free to share your experience. It'd be interesting to know. So far, I have used the Feedback Assistant app to let Apple know about the issue and really hope they will fix this soon. I plan to give 10.14.2 or 3 another go, and if nothing changes skip Mojave entirely like I did with High Sierra.

There's nothing particularly new about Mojave (at least on the surface, I know there are a lot a new APIs for developers and I'm personally interested in giving Swift 5 a try in early 2019) compared to Sierra, but I find UI lag during window management disruptive for my productivity.

I have also submitted feedback on Accessibility. I can't stand transparency in user interfaces and have it disabled on my iOS and macOS devices. All is good, except in Mojave the background color with "Reduce Transparency" option enabled is no longer gray, it's bluish for me (I guess, it now depends on the dominant color of your wallpaper), which makes for a lower contrast and hard to read text, about as hard as with transparency enabled.

If not for these two regressions, I would be using Mojave today. Haven't noticed other serious issues with it.
Click to expand...

I've got an external display connected to my rMBP 2012 and I've also noticed a sleight (hiccup?) when moving windows between screens.

But overall, I'd still say this is the best upgrade Apple has released since Mountain Lion.
 
I had a lot of issues the first few days after I installed Mojave. Startup took forever, lags opening apps, battery draining like crazy. Then the issues just vanished. I assume there was some indexing or some other "new OS" process running that took forever to finish.
 
jackoatmon said:
After an hour of support chat that's all they had to offer. They suggested I use a backup to roll back the operating system.

It's definitely Mojave – the issue began the second I installed it and only applies to Finder.
Click to expand...

A clean install will fix it.
 
Mad Mac Maniac said:
I'm curious; how are all of you finding Mojave's speed/performance/bugginess compared to previous versions of macOS?
Click to expand...
same Im on the Mac book pro 2018 15 inch with touch bar and im scared to install Mojave I don't wanna make my laptop slower did anyone install it on a 2018 MacBook?
 
Horrible on both my 2014 iMac with Fusion Drive and on my 2017 MacBook Pro with Touch Bar. I regret upgrading because the feature changes are minimal but the performance issues have made my iMac unusable and my MacBook difficult to use. Each machine, which worked great previously, I have to restart multiple times per day. Usually they won't restart normally, I have to force restart them. I'm going to try to go back to High Sierra and I'm definitely not going to upgrade to any future OS's.
 
I'm planning to go back to Sierra ASAP.

Previews in Finder are slow as hell, not to mention the lack of compatibility with an nVidia GPU. What a disappointment.
 
Brovatar said:
I've tried a couple of betas of Mojave, one of the early ones and a pre-release one. Apparently disk performance is somewhat better in Mojave, but UI performance is worse, at least on my machine (late 2013 15" rMBP with nVidia GeForce 750M GPU).

Spaces and window resizing are somewhat slower. And dragging windows, especially ones with lots of UI elements (like GarageBand) between displays is A LOT slower, but maybe a bit better than in High Sierra, which I tried a couple of times but reverted to Sierra via a Time Machine backup each time. There's almost no lag, when dragging windows between displays of the same type (Retina-Retina, non-Retina-non-Retina), but a very significant lag when dragging from a Retina to a non-Retina screen or back. I don't like this at all, especially since it's butter smooth in Sierra and I have two non-Retina 24" monitors connected to my laptop most of the time.

I'm not sure if this is because I have an nVidia GPU. If you have a MacBook with iGPU only or an ATI one, please feel free to share your experience. It'd be interesting to know. So far, I have used the Feedback Assistant app to let Apple know about the issue and really hope they will fix this soon. I plan to give 10.14.2 or 3 another go, and if nothing changes skip Mojave entirely like I did with High Sierra.

There's nothing particularly new about Mojave (at least on the surface, I know there are a lot a new APIs for developers and I'm personally interested in giving Swift 5 a try in early 2019) compared to Sierra, but I find UI lag during window management disruptive for my productivity.

I have also submitted feedback on Accessibility. I can't stand transparency in user interfaces and have it disabled on my iOS and macOS devices. All is good, except in Mojave the background color with "Reduce Transparency" option enabled is no longer gray, it's bluish for me (I guess, it now depends on the dominant color of your wallpaper), which makes for a lower contrast and hard to read text, about as hard as with transparency enabled.

If not for these two regressions, I would be using Mojave today. Haven't noticed other serious issues with it.
Click to expand...


I have exactly the same machine as you, and last year i updated to HS and a couple weeks later i had to restore to sierra, i have 3 external monitors connected all the time to my machine, and with HS the computer simply couldn't handle it, it was horrible. I had people telling me "DON'T USE 3 MONITORS ON A LAPTOP!!" and i was like wtf? i've been doing that for 3 years already without any issue, once i updated to HS all hell broke loose, i had to restart the computer every 2 days. I was thinking of giving mojave a try but since you already did it is probably better for me to just stay like this with sierra, since updating and downgrading is still a full day of work almost.

My machine can work for over a month without being restarted without any issue with sierra, i'll not risk it for a few features that i'll probably never use

Thanks for your tip
 
Mad Mac Maniac said:
I'm curious; how are all of you finding Mojave's speed/performance/bugginess compared to previous versions of macOS?
Click to expand...

Finder is unbelievably slow since I installed Mojave. My external 2 To Freecom works fine on my MacBook, but my 2015 iMac 27" 2.6 takes up to two minutes to give me a file listing for a directory on that drive. Even worse, I don't even get a spinning wheel or anything to inform me that Finder is doing something while this delay is going on.
 
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