[Nicholas Kleczewski] “I have to agree with Oliver. I just returned from an Apple store and while the screen is beautiful, i was not impressed with the UI performance of the iMac 5k at all. Completely granted, it was an i5 base model. But there was minute lag on the stock 1080p projects and very very bad lag on the 4k footage. To the point where id say it’d be very difficult to do real precision editing with, without pulling out your hair in the process.
They obviously didn’t have the 4k project loaded on the base model Mac Pro, but even the identical 1080p projects that are loaded on both ran noticeably better than the iMac. Basically nothing shocking to report given what they are intended for, I just worry people will buy the iMacs with false sense what they can accomplish.
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I would only worry if someone purchased the i5 model, which is not good enough, the i7 with 4GB card is a different beast entirely.