I got my new maxed out 2016 Mackbook Pro (15'', 460, 1tb, 2.9ghz) because I am hopping to not be strapped to this desk having to be on the computer 10-12 hours a day. I am currently working on a photography based thesis project that is montage based. I'm using Sony .AWR's at like 80mb a peice, 16 bit, ProPhoto. I Am working generally with 2-3 masked layers, and then 1-2 normal layers, content aware fill, some cloning, and occasionally a Nik filter. While I'm working, PS keeps reporting dropping down to 80% efficiency. I have the recommended 70% RAM dedicated to PS and all the other recommended setting for my work flow. I do have minimized background apps running (safari, mail, messages...). I really didn't think this would top out so fast, I had a 2015 MacBook I did a lot of PS work on with .NEF files and don't remember it dropping so low. I came from a maxed out 2015 iMac, have I just topped the limits of this MacBook, and should stay with my iMac? Or am I missing something to get it back to speedy, minimal scratch disk us, order?