Chosen Solution
I have a working logic board from 2012 27” iMac, how to identify which GPU it has? I know it is not 512MB one since there are 8 chips installed along side it, so if anyone could help me, would appreciate that! Thank you!
Apple offered three versions of GPU’s in this series 2.9 GHz Core i5 (I5-3470S) model: NVIDIA GeForce GTX 660M with 512 MB of dedicated GDDR5 memory 3.2 GHz Core i5 (I5-3470) & 3.4 GHz Core i7 (I7-3770) offered two options: NVIDIA GeForce GTX 675MX with 1 GB of dedicated GDDR5 memoryNVIDIA GeForce GTX 680MX with 2 GB of dedicated GDDR5 memory * , * For an extra US$150 at time of purchase.
