iMac : 2.3GHz Processor / 1TB Storage 2.3GHz dual-core 7th-generation Intel Core i5 processor Turbo Boost up to 3.6GHz 8GB 2133MHz memory, configurable to 16GB 1TB hard drive Intel Iris Plus Graphics 640 Two Thunderbolt 3 ports 1920-by-1080 sRGB display
iMac : Retina 4K Display / 3.0GHz Processor / 1TB Storage 3.0GHz quad-core 7th-generation Intel Core i5 processor Turbo Boost up to 3.5GHz 8GB 2400MHz memory, configurable to 16GB 1TB hard drive Radeon Pro 555 with 2GB video memory Two Thunderbolt 3 ports Retina 4K 4096-by-2304 P3 display
iMac : Retina 4K Display / 3.4GHz Processor / 1TB Storage 3.4GHz quad-core 7th-generation Intel Core i5 processor Turbo Boost up to 3.8GHz 8GB 2400MHz memory, configurable up to 32GB 1TB Fusion Drive Radeon Pro 560 with 4GB video memory Two Thunderbolt 3 ports Retina 4K 4096-by-2304 P3 display
iMac : Retina 5K Display / 3.4GHz Processor / 1TB Storage 3.4GHz quad-core 7th-generation Intel Core i5 processor Turbo Boost up to 3.8GHz 8GB 2400MHz memory, configurable up to 32GB 1TB Fusion Drive Radeon Pro 570 with 4GB video memory Two Thunderbolt 3 ports Retina 5K 5120-by-2880 P3 display
iMac : Retina 5K Display / 3.5GHz Processor / 1TB Storage 3.5GHz quad-core 7th-generation Intel Core i5 processor Turbo Boost up to 4.1GHz 8GB 2400MHz memory, configurable up to 64GB 1TB Fusion Drive Radeon Pro 575 with 4GB video memory Two Thunderbolt 3 ports Retina 5K 5120-by-2880 P3 display
iMac : Retina 5K Display / 3.8GHz Processor / 2TB Storage 3.8GHz quad-core 7th-generation Intel Core i5 processor Turbo Boost up to 4.2GHz 8GB 2400MHz memory, configurable up to 64GB 2TB Fusion Drive Radeon Pro 580 with 8GB video memory Two Thunderbolt 3 ports Retina 5K 5120-by-2880 P3 display