iMac (Apple silicon)
M1 iMac vector.svg
iMac (24-inch, M1, 2021) in orange
DeveloperApple Inc.
TypeAll-in-one PC
Release dateMay 21, 2021[1]
Operating systemmacOS
System on a chipApple M1 (current release)
CPU3.2 GHz octa-core - 4 performance cores and 4 efficiency cores ARMv8-A (current release)
Memory8 GB or 16 GB
Storage256, 512 GB, 1 or 2 TB SSD
GraphicsApple-designed 7- or 8-core GPU (current release)
PredecessoriMac (Intel-based)
Related articlesMac Mini, Mac Pro

The iMac with Apple silicon, also known as the iMac M1, is a Macintosh desktop computer designed, developed and marketed by Apple Inc. The first iMac with Apple silicon, a redesigned 24-inch model based on the Apple M1 ARM-based system on a chip, was released on May 21, 2021.


On June 22, 2020, Apple CEO Tim Cook announced the Mac would shift from Intel processors to Apple's own in-house designed processors that use the ARM64 architecture, branded as Apple silicon. On April 20, 2021, Apple announced a 24-inch iMac based on the Apple M1 system on a chip.[2]

The iMac with M1 features a 4480-by-2520 (4.5K) built-in display, 1080p FaceTime camera with an improved image signal processor and three-microphone array, and a six-driver stereo speaker system with a pair of force-canceling woofers and a tweeter per side, that supports Dolby Atmos and spatial audio. It also adds support for Wi-Fi 6, USB4/Thunderbolt 3, and 6K output to run the Pro Display XDR. External display support is reduced to one display over USB-C/Thunderbolt; the previous 21.5-inch Intel-based model could drive two 4K displays over USB-C/Thunderbolt.[3] The models also include a magnetic power plug and external power supply that can be configured with a Gigabit Ethernet port.[4]

The iMac with M1 ships with a Magic Mouse 2 or Magic Trackpad 2 with a color-matching aluminum underside. It can be configured with one of three updated Magic Keyboards with rounded corners: a standard version, a version with a Touch ID sensor, and an extended layout version with a numeric keypad and Touch ID. The Magic Keyboards with Touch ID are compatible with other Mac computers with Apple silicon but only ship with the iMac.[5]


The iMac with M1 is the first iMac with a major redesign since 2012, with slimmer bezels, a flat back and seven color options, the same colors used in Apple's first official logo.[6] It is the first iMac available in multiple colors since the iMac G3.[7] Jony Ive contributed to its design.[8]


Model 24-inch, M1, 2021
Announced April 20, 2021
Released May 21, 2021
Discontinued In production
Unsupported Supported
Part number MGTF3xx/A, MJV83xx/A, MJV93xx/A, MJVA3xx/A MGPC3xx/A, MGPD3xx/A, MGPF3xx/A, MGPG3xx/A, MGPH3xx/A, MGPJ3xx/A, MGPK3xx/A, MGPL3xx/A, MGPM3xx/A, MGPN3xx/A, MGPP3xx/A, MGPQ3xx/A, MGPR3xx/A, MGPT3xx/A[9]
Model number A2439[10] A2438[11]
Model identifier iMac21,2[9] iMac21,1
EMC no. 3664[10] 3663[11]
Display 23.5 in (600 mm)
500 nits brightness
Wide color (P3)
True Tone technology
System on a chip Apple M1
Processor 5 nm, 3.2 GHz octa-core ARMv8-A processor; 4x Firestorm performance cores + 4x Icestorm efficiency cores
Memory 8 GB
Optional: 16 GB at time of purchase only
Unified in-package LPDDR4X-4266 memory
Graphics 7-core GPU 8-core GPU
Storage 256 GB SSD
Optional: 512 GB, 1 TB SSD at time of purchase only
256 GB, 512 GB SSD
Optional: 1 TB, 2 TB SSD at time of purchase only
Connectivity Integrated Wi-Fi 6 (802.11a/b/g/n/ac/ax)
Bluetooth 5.0
Gigabit Ethernet (integrated into external power supply, build-to-order)
Integrated Wi-Fi 6 (802.11a/b/g/n/ac/ax)
Bluetooth 5.0
Gigabit Ethernet (integrated into external power supply, standard)
Camera 1080p FaceTime HD camera with M1 image signal processor
Video out Supports one display up to 6K resolution at 60 Hz
Audio Stereo speakers
3.5mm headphone jack
Peripherals Thunderbolt 3/USB-C 4.0 ports up to 40Gb/s (no support for eGPU) Thunderbolt 3/USB-C 4.0 ports up to 40Gb/s (no support for eGPU)
Additional 2× USB-C 3.1 Gen 2 ports up to 10Gb/s
Colors   Blue   Green   Pink   Silver   Blue   Green   Pink   Silver  Yellow   Orange   Purple
Initial Release Operating System macOS 11 Big Sur
Latest Release Operating System macOS 12 Monterey


  1. ^ "iMac, iPad Pro, and Apple TV 4K in stores Friday". Apple Newsroom. Retrieved 2021-05-18.
  2. ^ "iMac features all-new design in vibrant colors, M1 chip, and 4.5K Retina display". Apple Newsroom. Retrieved 2021-04-20.
  3. ^ Kastrenakes, Jacob (2021-04-20). "Apple announces thinner iMac with M1 chip and bright colors". The Verge. Retrieved 2021-04-21.
  4. ^ Gonzalez, Oscar. "New iMac comes with magnetic power plug that doubles as Ethernet cable". CNET. Retrieved 2021-04-21.
  5. ^ "Magic Keyboard With Touch ID Compatible With All M1 Macs, But Only Sold With iMac For Now". MacRumors. Retrieved 2021-04-21.
  6. ^ Collins, Katie. "How Apple's new iMacs color-matched today's home fashion trends". CNET. Retrieved 2021-05-01.
  7. ^ Nieva, Richard. "New iMac gets jolt of color in Apple's first redesign since 2012". CNET. Retrieved 2021-04-21.
  8. ^ White, Jeremy. "The 2021 iMac is a great family computer, thanks to Jony Ive (again)". Wired UK. ISSN 1357-0978. Retrieved 2021-05-29.
  9. ^ a b "Identify your iMac model". Apple Support. Retrieved 2021-05-27.
  10. ^ a b "iMac 24-Inch "M1" 8-Core 3.2/7-Core GPU/2 USB Specs (iMac (24", M1 2021), MJV93LL/A*, iMac21,2, A2439, 3664):". Retrieved 2021-05-27.
  11. ^ a b "iMac M1 24" Teardown". iFixit. 2021-05-24. Retrieved 2021-05-27.