Buying new 27 inch iMac. Both of these configs cost the same. Which would you get? 3.4GHz quad-core Intel Core i5, Turbo Boost up to 3.8GHz 8GB 2400MHz DDR4 1TB SSD Radeon Pro 570 with 4GB video memory Magic Mouse 2 Magic Keyboard - US English or 4.2GHz quad-core Intel Core i7, Turbo Boost up to 4.5GHz 8GB 2400MHz DDR4 2TB Fusion Drive Radeon Pro 575 with 4GB video memory Magic Mouse 2 Magic Keyboard - US English Main question is which is better? The i7 processor or having an SSD drive?