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Model A1312 / Mid 2010 / 3.2 GHz Core i3 or 2.8 & 3.6 GHz Core i5 or 2.93 GHz Core i7, ID iMac11,3

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upgrading the video card to a Metal-capable GPU

I also have a iMac 27-inch 2.93 GHz Core i7, ID iMac11,3 (mid 2010).

I recently upgraded to 32GB and a SSD.

Would really like to know if upgrading the video card to a Metal-capable GPU if possible.

I don't really intend or feel the need to even start thinking about a new Mac.

I run Adobe Creative Cloud applications with ease, since upgrading the Ram and HD my machine runs better than when first I purchased it.

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While it’s physically possible (your iMac uses a MXM GPU interface) and the new board would be limited in its space and required cooling. The board would also need the custom Apple firmware to work.

Sadly, I don’t of any that meet these requirements. Maybe someone else might know!

There is some workarounds out there which will allow you to run Mojave on your system but it does have its limits!

For now I would stick with Sierra as High Sierra and Mojave have some issues with SATA based drives as it also automagically upgrades the older GUID/HFS+ to GUID/APFS on SSD’s which is the issue on these older SATA based systems. Mojave applies GUID/APFS to both HDD’s & SSD’s and people are having issues with it on SATA based drives.

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Hello Siggy.

I had your exact case. I was running a 2010 27” with i5, 16Gb Ram, 256SSD + 3TB 3.5” HD, and the stock 1GB(512GB) GPU. It such a great system and I wanted to upgrade before even considering the price of a competent new iMac.

As of last month. I successfully upgraded the CPu for an i7 “4core 870” (38$ eBay), 32Gb Ram(88$ eBay 4x8gb), Samsung Evo 850 1TB SSD (99$ eBay) and a GTX 765M 2GB GPu (79$ eBay). I went full upgrade and paid way much less than just getting me a working i7 for the same year and i ended up with a super machine. Nit to mention Metal capability GPU that’s currently Mojave.

Altough i now run mojave, the Cinebench specs went down a few fps with the new gpu for some reason, so i would recommend a better GpU but only after someone else confirm they work as well as the 765M(ive seen some 880 8GB for around 250$). There are videos on YouTube and a lot of discussion around. I dont need the extra GPu since i don’t run any video making or anything rather parallels with Autocad.

There are a couple of details one should know, but i can explain details to anyone trying this. Most is explained in videos and forums.

I wish you success and that by now you had done it!

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FYI - The Apples GPU driver was not designed for your NVIDEA GTX 765M board its using the NVIDEA driver in compatibility mode.

While it works its not leveraging the extra RAM and extended performance your board offers.


Did it come from a Dell Alienware Laptop? Sounds like it did not.


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Siggy Eman sarà eternamente grato.
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