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At much lower cost than Apple, with more options.
Lloyd recommends 64GB for iMac or Mac Pro for photography/videography.
Real World Shootout: diglloydHuge Photoshop Benchmark
Related: Macs, Laptop, software, SSD, MacBook Pro, MacBook Pro and MacBook, 2015 MacBook Pro, Photoshop, Mac
Authorized Apple dealer B&H Photo loaned MPG the Apple 15.4" MacBook Pro Retina (Mid 2015), 2.8GHz / Radeon R9 M370X / 16GB / 1TB, the configuration MPG recommends for power users, photographers, videographers, etc. Save money on AppleCare too.
The diglloydHuge Photoshop benchmark requires about 56GB of memory to run unfettered. Thus runing it on a Mac with 16GB of memory severely taxes the virtual memory system which relies on the boot drive (the internal SSD) for swapping.
While not as huge a gain as the IntegrityChecker verify real world test, the 2015 MacBook pro cuts the time in half as compared to the 2013 MacBook Pro. That’s a huge real-world performance boost.
Photoshop Performance Preferences at Memory Usage = 70%, Graphics Processor = Advanced, History=30/Cache Levels=4/Tile size = 1024K.
$1649 SAVE $150 = 8.0% Apple 13.3" MacBook Pro with Touch Bar (Late 2016, Space Gray) in All Other Categories
$629 SAVE $70 = 10.0% Apple Mac mini 2.6 GHz Desktop Computer (Late 2014) in Computers: Apple Macs