Just saw this! I don't have another iMac to compare but it's been a HUGE performance difference from my MBP, mainly because the processor in my MBP is a dual core and I got the 9th generation i5 (which has 6 cores) on the iMac. I suppose that if you have the minimum specs and you're looking for an upgrade it'll probably be a good buy since you can upgrade the RAM yourself and save a loooot of money.
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