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Would updating a 2013 21.5 iMacs software speed it up or hurt its performance?

I have a 2013 21.5 iMac and It is currently on Mac OS Mojave. it is very slow and lags a lot and will freeze sometimes when typing or when I open an application even just safari. Would updating the machine to Mac OS Catalina have any performance improvements or make the machine run even slower?

739609269_ScreenShot2020-06-07at10_28_38AM.png.18b31760edc23c4dadf9973a920eb1c0.png

Screen Shot 2020-06-07 at 10.28.51 AM.png

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3 minutes ago, Joshmakey12 said:

I have a 2013 21.5 iMac and It is currently on Mac OS Mojave. it is very slow and lags a lot and will freeze sometimes when typing or when I open an application even just safari. Would updating the machine to Mac OS Catalina have any performance improvements or make the machine run even slower?

739609269_ScreenShot2020-06-07at10_28_38AM.png.18b31760edc23c4dadf9973a920eb1c0.png

Screen Shot 2020-06-07 at 10.28.51 AM.png

Since you're already on Mojave there's probably not much worse you can do in terms of hurting the performance, my parents have a late 2012 iMac with Catalina which is honestly painful to use. Maybe avoid Catalina just to be on the safe side though

Desktop - i5-9600KF @4.8GHz all core, MSI Z390-A PRO, 2x8GB Corsair Vengeance 3000MHz, MSI GTX 1660S OC 6GB, WD Blue 500GB M.2 SSD, Seagate Barracuda 2TB 7200RPM HDD

Laptop - ASUS ZenBook 14 with ScreenPad, i7-1165G7, Xe iGPU 96EU, 16GB Octa-Channel 4200MHz, MX450 2GB, 512GB SSD with 32GB Optane

 

Old Laptop 1 - HP Pavilion 15, A10-9600P, R5 iGPU, 8GB, R8 M445DX, 2TB HDD

Old Laptop 2 - HP Pavilion 15 TouchSmart, i3-3217U, Intel HD 4000, 4GB, 1TB HDD

 

iPad 2018 - 128GB

iPhone XR - 128GB

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That 1tb hdd is why its so slow. A ssd will make the system much faster. You can get a external ssd for these if you don't want to deal with taking it all apart.

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Do a clean install, Catalina should run fine on those specs. Most operating systems get slower and slower over time on an HDD. An SSD would help massively, especially in the long run.

Quote me if you want me to get a notification. (if it's not my own thread)

Assume I'm using Linux as you would assume other people use Windows.

 

 

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