iMac gets a 2x performance boost
Up to 8-Core Intel 9th-Generation Processors
- The 21.5-inch iMac now features 8th-generation quad-core, and for the first time 6-core processors, delivering up to 60 percent faster performance.1
- The 27-inch iMac now for the first time features up to 9th-generation 6-core and 8-core processors, delivering up to 2.4 times faster performance.1
Radeon Pro Vega Graphics Come to iMac for the First Time
Industry’s Best 4K and 5K Retina Displays
Unrivalled All-in-One Design That Elevates Any Space


macOS Mojave
Images of iMac
- 1 Testing conducted by Apple in February 2019 using preproduction 3.2GHz 6-core Intel Core i7-based 21.5-inch iMac systems with 32GB of RAM, and preproduction 3.6GHz 8-core Intel Core i9-based 27-inch iMac systems with 64GB of RAM; and shipping 3.6GHz quad-core Intel Core i7-based 21.5-inch iMac systems with 32GB of RAM, as well as shipping 4.2GHz quad-core Intel Core i7-based 27-inch iMac systems with 64GB of RAM. Autodesk Maya 2019 tested using a 399.6MB scene. Performance tests are conducted using specific computer systems and reflect the approximate performance of iMac.
2 Testing conducted by Apple in February 2019 using preproduction 3.2GHz 6-core Intel Core i7-based 21.5-inch iMac systems with Radeon Pro Vega 20 graphics with 4GB of VRAM and 32GB of RAM, as well as preproduction 3.6GHz 8-core Intel Core i9-based 27-inch iMac systems with Radeon Pro Vega 48 graphics with 8GB VRAM and 64GB of RAM; and shipping 3.6GHz quad-core Intel Core i7-based 21.5-inch iMac systems with Radeon Pro 560 graphics with 4GB VRAM and 32GB of RAM, as well as shipping 4.2GHz quad-core Intel Core i7-based 27-inch iMac systems with Radeon Pro 580 graphics with 8GB VRAM and 64GB of RAM. Tested with DaVinci Resolve Studio 15 using 14 common effects and a 10-second UHD project at 3840 x 2160 resolution and 24 frames per second. Performance tests are conducted using specific computer systems and reflect the approximate performance of iMac.