Can You Swap A Late 2015 I5 Logic Board With Late 2015 I7 Board Imac Intel 21 5 Emc 2889

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I’m looking to replace my logic board and have the fusion drive, thus requiring a PCIe slot. The only boards I’m finding with one have faster CPUs. As long as they’re both late 2015 boards can I do the swap? Current board is non retina, the new proposed board IS retina, is that an issue also? Thanks!

The logic boards are the same only the CPU needs to be swapped.