21.5-inch (diagonal) LED-backlit display 1920-by-1080 resolution with support for millions of colours 2.3GHz dual-core Intel core i5 (Turbo Boost up to 3.6GHz) 8GB of 2133MHz DDR4 memory. Configurable to 16GB Intel Iris Plus Graphics 640 1TB (5400-rpm) hardrive. Configurable to 1TB Fusion Drive Or 256GB SSD.
21.5-inch (diagonal) Retina 4K display 4096-by-2304 resolution with support for one billion colours 500 nits brightness, wide coloraturas (P3) 3.6GHz quad-core Intel core i3. Configurable to 3.2GHz 6-core Intel Core i7 (Turbo Boost up to 4.6GHz) 8GB of 2400MHz DDR4 memory. Configurable to 16GB or 32GB Radeon Pro 555X with 2GB of GDDR5 memory 1TB (5400-rpm) hardrive. Configurable to 1TB Fusion Drive Or 256GB, 512GB, or 1TB SSD.
21.5-inch (diagonal) LED-backlit display 4096-by-2304 resolution with support for one billion colours 500 nits brightness, wide coloraturas (P3) 3.0GHz 6-core Intel core i5 (Turbo Boost up to 4.1GHz). Configurable to 3.2GHz 6-core Intel Core i7 (Turbo Boost up to 4.6GHz) 8GB of 2666MHz DDR4 memory. Configurable to 16GB or 32GB Radeon Pro 560X with 4GB of GDDR5 memory Configurable to Radeon Pro Vega 20 with 4GB of HBM2 memory. 1TB Fusion Drive Configurable to 256GB, 512GB, or 1TB SSD.
27-inch (diagonal) Retina 5K display 5120-by-2880 resolution with support for one billion colours 500 nits brightness, Wide Color (P3) 3.0GHz 6-core Intel core i5 (Turbo Boost up to 4.1GHz) 8GB of 2666MHz DDR4 memory; four SO- DIMM slots, user accessible. Configurable to 16GB or 32GB Radeon Pro 570X with 4GB of GDDR5 memory 1TB Fusion Drive. Configurable to 2TB Fusion Drive Or 256GB, 512GB, or 1TB SSD.
27-inch (diagonal) Retina 5K display 5120-by-2880 resolution with support for one billion colours 500 nits brightness, Wide Color (P3) 3.1GHz 6-core Intel core i5 (Turbo Boost up to 4.3GHz) Configurable to 3.6GHz 8-core Intel Core i9 (Turbo Boost up to 5.0GHz) 8GB of 2666MHz DDR4 memory; four SO- DIMM slots, user accessible. Configurable to 16GB, 32GB, or 64GB. Radeon Pro 575X with 4GB of GDDR5 memory 1TB Fusion Drive. Configurable to 2TB or 3TBFusion Drive Or 256GB, 512GB, or 1TB SSD. 27-inch (diagonal) Retina 5K display 5120-by-2880 resolution with support for one billion colours 500 nits brightness, Wide Color (P3) 3.7GHz 6-core Intel core i5 (Turbo Boost up to 4.6GHz) Configurable to 3.6GHz 8-core Intel Core i9 (Turbo Boost up to 5.0GHz) 8GB of 2666MHz DDR4 memory; four SO- DIMM slots, user accessible. Configurable to 16GB, 32GB, or 64GB. Radeon Pro 580X with 8GB of GDDR5 memory Configurable to Radeon PRO Vega 48 with 8GB of HBM2 2TB Fusion Drive. Configurable to 3TBFusion Drive Or, 512GB, or 1TB SSD.