The iMac "Core i7" 27-Inch Aluminum (Retina 5K, Late 2015) features a Quad Core 4GHz Intel "Core i7" processor with four independent processor "cores", a 250GB "Fusion Drive," and AMD Radeon R9 M390 graphics processor with 2 GB of dedicated GDDR5 memory. It also has a built-in "FaceTime HD" webcam and stereo speakers.
This model has a 27" 5120x2880 LED-backlit 16:9 widescreen IPS DCI-P3 "Retina 5K" display. The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.
Connectivity includes four USB 3.0 ports, dual Thunderbolt 2 ports, Gigabit Ethernet, 802.11ac Wi-Fi (802.11a/b/g/n compatible), and Bluetooth 4.0.
Compared to its predecessor, this model essentially has the same external enclosure, but it has a higher quality DCI-P3 "Retina 5K" display with a wider color gamut as well as a more advanced architecture and graphics architecture.
This ships with Apple A1314 Wireless Magic Keyboard and Apple Multitouch Magic Mouse A1296 3vdc.