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iMac (Retina 4K, 21.5-inch, 2017) - Technical Specifications

Display

  • Retina 4K display

  • 21.5-inch (diagonal) Retina 4K display

  • 4096-by-2304 resolution with support for one billion colors

  • 500 nits brightness

  • Wide color (P3)

Processor

  • 3.0GHz

    • 3.0GHz quad‑core Intel Core i5 (Turbo Boost up to 3.5GHz)

    • Configurable to 3.6GHz quad-core Intel Core i7 (Turbo Boost up to 4.2GHz)

  • 3.4GHz