(as of Aug 20,2021 17:50:15 UTC – Details)
The iMac “Core i5” 3.1 21.5-Inch Aluminum (Retina 4K, Late 2015/Broadwell) features a 14-nm “Broadwell” Quad Core 3.1 GHz Intel “Core i5” processor (5675R) with four independent processor “cores” on a single chip, a 4 MB shared level 3 cache, 8 GB of onboard 1867 MHz LPDDR3 SDRAM (which could be upgraded to 16 GB at the time of order, but cannot be upgraded after system purchase at all), a 1 TB (5400 RPM) hard drive, and an “integrated” Intel Iris Pro 6200 graphics processor that shares system memory. It also has a built-in “FaceTime HD” webcam and stereo speakers. This model has a 21.5″ 4096×2304 LED-backlit 16:9 widescreen IPS DCI-P3 “Retina 4K” display (that runs “pixel doubled” to look like 2048×1152). The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.
21.5 in. LED Retina 4K 4096×2304 IPS Display, Incredibly thin, seamless aluminium enclosure, FaceTime HD camera and microphone
Revolutionary 21.5-inch 4K Retina model, Spectacular image quality, Edge to cutting edge, Mac OS X El Capitan 10.11, WiFi
Intel 5th Gen Core i5-5675R Quad-Core 3.1GHz CPU, Max turbo frequency: 3.60GHz, Cache: 4MB SmartCache, Bluetooth
8GB 1867 MHz DDR3 RAM, 1 Terabyte (1TB) 5400RPM SATA hard drive, Intel Iris Pro 6200 Graphics, Ethernet