iMac (Retina 5K, 27-inch, 2020)
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iMac (Retina 5K, 27-inch, 2020) Specifications

Complete Apple iMac (Retina 5K, 27-inch, 2020) technical specifications · model numbers, colors, storage, dimensions and hardware details.

Chip: 3.1GHz3.1GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.5GHz; 3.1GHz 6‑cor… Display: 5K Retina display; 27-inch (diagonal) 5K Retina display; 5120‑by‑2880 resolution with sup… Camera: 1080p FaceTime HD camera; Simultaneously supports full native resolution on the built-in …
Display
5K Retina display; 27-inch (diagonal) 5K Retina display; 5120‑by‑2880 resolution with support for one billion…
Chip
3.1GHz3.1GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.5GHz; 3.1GHz 6‑core 10th-generation Intel Core i…
Storage / Colors
256GB, 1TB, 2TB, 512GB, 4TB · 5K Retina display, 27-inch (diagonal) 5K Retina display, 5120‑by‑2880 resolution with support for one billion colors, 500 nits brightness
Weight / OS
8920 g · macOS

Apple iMac (Retina 5K, 27-inch, 2020) technical specifications

This page contains complete technical specifications for Apple iMac (Retina 5K, 27-inch, 2020), including display, chip, storage, colors, model numbers, dimensions, weight, operating system, connectivity, battery information and other hardware details.

Use this information to compare Apple devices, identify the exact model, check compatibility and verify key hardware features before service, repair, resale or purchase.

Size and Weight

  • Height: 20.3 inches (51.6 cm)
  • Width: 25.6 inches (65.0 cm)
  • Stand depth: 8 inches (20.3 cm)
  • Weight: 19.7 pounds (8.92 kg)2

Display

  • 5K Retina display
  • 27-inch (diagonal) 5K Retina display
  • 5120‑by‑2880 resolution with support for one billion colors
  • 500 nits brightness
  • Wide color (P3)
  • True Tone technology
  • Configurable with nano-texture glass

iOperating System

  • macOS
  • macOS is the most advanced desktop operating system in the world. macOS Monterey introduces powerful new features to help you connect, share, and create like never before.
  • Learn more about latest Operating System

iAccessibility

  • Accessibility features help people with disabilities get the most out of their new iMac. With built-in support for vision, hearing, mobility, and learning, you can create and do amazing things.
  • Learn more about Accessibility
  • Features include:
  • Voice Control
  • VoiceOver
  • Zoom
  • Increase Contrast
  • Reduce Motion
  • Siri and Dictation
  • Switch Control
  • Closed Captions
  • Text to Speech

iIn the Box

  • iMac with 5K Retina display
  • Magic Keyboard
  • Magic Mouse 2
  • Power cord
  • Lightning to USB Cable
  • Polishing cloth

iAcoustic Performance

  • Declared noise emission values in accordance with ECMA-109
  • Sound Power LevelL W A,m (B)Sound Pressure LevelOperator PositionL p A,m (dB)Idle2.3 (K V = 0.3)13Wireless web2.3 (K V = 0.3)13
  • L W A,m is the mean A-weighted sound power level, rounded to the nearest 0.1 B.
  • L p A,m is the mean A-weighted sound pressure level measured at operator position (rounded to the nearest 1 dB).
  • 1 B (bel) = 10 dB (decibel)
  • K v is the statistical adder for computing upper-limit of A-weighted sound power level.
  • The quantity, L W A,c (formerly called L W Ad) may be computed from the sum of L W A,m and K v .
  • The Wireless web test browses 25 popular websites.
  • Configuration tested: 3.8GHz 8-core Intel Core i7 processor, 8GB memory, 512GB storage, Radeon Pro 5500 XT Graphics.

iAudio

  • Stereo speakers
  • Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming
  • 3.5 mm headphone jack
  • Support for “Hey Siri”

iBuilt-in Apps3

  • Photos
  • iMovie
  • GarageBand
  • Pages
  • Numbers
  • Keynote
  • Siri
  • Safari
  • Mail
  • FaceTime
  • Messages
  • Maps
  • News
  • Stocks
  • Home
  • Voice Memos
  • Notes
  • Calendar
  • Contacts
  • Reminders
  • Photo Booth
  • Preview
  • Books
  • App Store
  • Time Machine
  • TV
  • Music
  • Podcasts
  • Find My
  • QuickTime Player
  • Shortcuts

iConfigure to Order

  • Configure your iMac with these options.
  • Looking for an iMac you can mount on a wall or an adjustable arm? Choose an iMac with a Built-in VESA Mount Adapter
  • 3.1GHzMagic TrackpadMagic Keyboard with Numeric Keypad16GB, 32GB, 64GB, or 128GB memory upgradeNano-texture glass10Gb Ethernet
  • Magic Trackpad
  • Magic Keyboard with Numeric Keypad
  • 16GB, 32GB, 64GB, or 128GB memory upgrade
  • Nano-texture glass
  • 10Gb Ethernet
  • 3.3GHzMagic TrackpadMagic Keyboard with Numeric Keypad3.6GHz 10-core Intel Core i9 upgrade16GB, 32GB, 64GB, or 128GB memory upgrade1TB or 2TB SSDNano-texture glass10Gb Ethernet
  • 3.6GHz 10-core Intel Core i9 upgrade
  • 1TB or 2TB SSD
  • 3.8GHzMagic TrackpadMagic Keyboard with Numeric Keypad3.6GHz 10-core Intel Core i9 upgrade16GB, 32GB, 64GB, or 128GB memory upgrade1TB, 2TB, 4TB, or 8TB SSDAMD Radeon Pro 5700 with 8GB of GDDR6 memoryAMD Radeon Pro 5700 XT with 16GB of GDDR6 memoryNano-texture glass10Gb Ethernet
  • 1TB, 2TB, 4TB, or 8TB SSD
  • AMD Radeon Pro 5700 with 8GB of GDDR6 memory
  • AMD Radeon Pro 5700 XT with 16GB of GDDR6 memory

Connections and Expansion

  • 3.5 mm headphone jack
  • SDXC card slot (UHS-II)
  • Four USB-A ports
  • Two Thunderbolt 3 (USB-C) ports with support for: DisplayPortThunderbolt (up to 40Gb/s)USB 3.1 Gen 2 (up to 10Gb/s)Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately)
  • DisplayPort
  • Thunderbolt (up to 40Gb/s)
  • USB 3.1 Gen 2 (up to 10Gb/s)
  • Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately)
  • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
  • Configurable to 10Gb Ethernet with support for 1Gb, 2.5Gb, 5Gb, and 10Gb Ethernet
  • Kensington lock slot

iElectrical and Operating Requirements

  • Line voltage: 100–240V AC
  • Frequency: 50Hz to 60Hz, single phase
  • Operating temperature: 50° to 95° F (10° to 35° C)
  • Relative humidity: 5% to 90% noncondensing
  • Operating altitude: tested up to 16,400 feet (5000 meters)

iGraphics

  • 3.1GHzAMD Radeon Pro 5300 with 4GB of GDDR6 memory
  • AMD Radeon Pro 5300 with 4GB of GDDR6 memory
  • 3.3GHzAMD Radeon Pro 5300 with 4GB of GDDR6 memory
  • 3.8GHzAMD Radeon Pro 5500 XT with 8GB of GDDR6 memoryConfigurable to AMD Radeon Pro 5700 with 8GB of GDDR6 memory, AMD Radeon Pro 5700 XT with 16GB of GDDR6 memory
  • AMD Radeon Pro 5500 XT with 8GB of GDDR6 memory
  • Configurable to AMD Radeon Pro 5700 with 8GB of GDDR6 memory, AMD Radeon Pro 5700 XT with 16GB of GDDR6 memory

iiMac and the Environment

  • We take responsibility for the environmental footprint of our products throughout their life cycle. Learn more about iMac and the Environment
  • The 27-inch iMac with 5K Retina display is designed with the following features to reduce its environmental impact:4
  • Made with better materials
  • 100% recycled tin in the solder of the main logic board
  • Enclosure made with recyclable, low-carbon aluminum
  • 60% recycled plastic in multiple components
  • Energy efficient
  • Meets ENERGY STAR requirements
  • Smarter chemistry
  • Arsenic-free display glass
  • Mercury-free LED-backlit display
  • BFR-, PVC-,5 and beryllium-free
  • Green manufacturing
  • Final assembly supplier sites do not generate any waste sent to landfill6
  • All final assembly suppliers are transitioning to 100% renewable energy for Apple production
  • Responsible packaging
  • 100% of virgin wood fiber comes from responsibly managed forests
  • Read the 27-inch iMac with 5K Retina Display Environmental Report for detailed information on its environmental performance

iInput

  • Magic Keyboard
  • Magic Mouse
  • Configurable with Magic Keyboard with Numeric Keypad
  • Configurable with Magic Trackpad

iMemory

  • 3.1GHz8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessibleConfigurable to 16GB, 32GB, 64GB, or 128GB
  • 8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessible
  • Configurable to 16GB, 32GB, 64GB, or 128GB
  • 3.3GHz8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessibleConfigurable to 16GB, 32GB, 64GB, or 128GB
  • 3.8GHz8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessibleConfigurable to 16GB, 32GB, 64GB, or 128GB

Processor

  • 3.1GHz3.1GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.5GHz
  • 3.1GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.5GHz
  • 3.3GHz3.3GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.8GHzConfigurable to 3.6GHz 10-core 10th-generation Intel Core i9, Turbo Boost up to 5.0GHz
  • 3.3GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.8GHz
  • Configurable to 3.6GHz 10-core 10th-generation Intel Core i9, Turbo Boost up to 5.0GHz
  • 3.8GHz3.8GHz 8‑core 10th-generation Intel Core i7, Turbo Boost up to 5.0GHzConfigurable to 3.6GHz 10-core 10th-generation Intel Core i9, Turbo Boost up to 5.0GHz
  • 3.8GHz 8‑core 10th-generation Intel Core i7, Turbo Boost up to 5.0GHz

iStorage1

  • 3.1GHz256GB SSD
  • 256GB SSD
  • 3.3GHz512GB SSDConfigurable to 1TB or 2TB SSD
  • 512GB SSD
  • Configurable to 1TB or 2TB SSD
  • 3.8GHz512GB SSDConfigurable to 1TB, 2TB, 4TB, or 8TB SSD
  • Configurable to 1TB, 2TB, 4TB, or 8TB SSD

Video Support and Camera

  • 1080p FaceTime HD camera
  • Simultaneously supports full native resolution on the built-in display at 1 billion colors and: One 6016-by-3384 (6K) external display at 60Hz with support for 1 billion colors, orTwo 6016-by-3384 (6K) external displays at 60Hz with support for 1 billion colors (requires AMD Radeon Pro 5700 or AMD Radeon Pro 5700 XT), orOne 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colors, orTwo 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, orTwo 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colors
  • One 6016-by-3384 (6K) external display at 60Hz with support for 1 billion colors, or
  • Two 6016-by-3384 (6K) external displays at 60Hz with support for 1 billion colors (requires AMD Radeon Pro 5700 or AMD Radeon Pro 5700 XT), or
  • One 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colors, or
  • Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, or
  • Two 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colors
  • Thunderbolt 3 digital video output
  • Native DisplayPort output over USB‑C
  • Thunderbolt 2, HDMI, DVI, and VGA output supported using adapters (sold separately)

Wireless

  • Wi-Fi802.11ac Wi-Fi wireless networkingIEEE 802.11a/b/g/n compatible
  • 802.11ac Wi-Fi wireless networking
  • IEEE 802.11a/b/g/n compatible
  • BluetoothBluetooth 5.0 wireless technology
  • Bluetooth 5.0 wireless technology

iMac (Retina 5K, 27-inch, 2020) FAQ

What is the display size of Apple iMac (Retina 5K, 27-inch, 2020)?

Apple iMac (Retina 5K, 27-inch, 2020) has 5K Retina display; 27-inch (diagonal) 5K Retina display; 5120‑by‑2880 resolution with sup….

What chip does Apple iMac (Retina 5K, 27-inch, 2020) use?

Apple iMac (Retina 5K, 27-inch, 2020) uses 3.1GHz3.1GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.5GHz; 3.1GHz 6‑cor….

What storage capacities are available for Apple iMac (Retina 5K, 27-inch, 2020)?

Available storage capacities include 256GB, 1TB, 2TB, 512GB, 4TB, 8TB.