Apple 27 inch iMac has 6th Gen 3.2GHz quad-core Intel Core i5 (Turbo Boost up to 3.6GHz) with 6MB shared L3 cache. It has 27″ LED-backlit 16:9 widescreen TFT active matrix “Retina 5K” display with IPS technology with a native resolution of 5120 x 2880. It has AMD Radeon R9 M380 graphics processor with 2GB of GDDR5 memory.
It comes in configuration of 8GB (4GB x 2) of 1867MHz LPDDR3 onboard memory. It has 1 TB of 7200 rpm SATA hard drive. This laptop comes pre-loaded with OS X 10.11 “El Capitan” including Metal graphics acceleration and compatible for upgrading to macOS Mojave (10.14). Other features include WiFi 802.11 ac, Bluetooth 4.0, 4 USB 3.0 ports, 2 Thunderbolt 2 ports, Gigabit Ethernet, SDXC SD Card Reader and a 3.5mm headphone jack.