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- iMac Compare 2020
Display
Display
Display
Display
Display
Display
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—
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21.5-inch display
1920x1080 resolution
320 nits brightness
Standard colour (sRGB)
21.5-inch Retina 4K display
4096x2304 resolution
500 nits brightness
Wide colour (P3)
27-inch Retina 5K display
5120x2880 resolution
500 nits brightness
Wide colour (P3)
27-inch Retina 5K display
5120x2880 resolution
500 nits brightness
Wide colour (P3)
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Processor
Processor
Processor
Processor
Processor
Processor
Quad-core Intel Core i3 or 6-core Intel Core i5
Dual-core Intel Core i5
Quad-core Intel Core i3 or
6-core Intel Core i5
Quad-core Intel Core i5
8-core Intel Xeon W configurable to 10-core, 14-core or 18-core
Configurable to 28-core Intel Xeon W
Memory
Memory
Memory
Memory
Memory
Memory
8GB
8GB
8GB
8GB
32GB configurable to 64GB, 128GB, 256GB
1.5TB
Storage²
Storage²
Storage²
Storage²
Storage²
Storage²
256GB or 512GB SSD
1TB hard drive
1TB hard drive
or 1TB Fusion Drive
1TB or 2TB Fusion Drive
1TB SSD configurable
to 2TB or 4TB SSD
Configurable to 8TB SSD
Graphics
Graphics
Graphics
Graphics
Graphics
Graphics
Intel UHD Graphics 630
Intel Iris Plus Graphics 640
AMD Radeon Pro 555x or 560x
AMD Radeon Pro 570x, 575x or 580x
AMD Radeon Pro Vega 56
configurable to Vega 64 or Vega 64X
AMD Radeon Pro 580x
configurable with up to four AMD Radeon Pro Vega II GPUs
Wireless
Wireless
Wireless
Wireless
Wireless
Wireless
802.11ac Wi-Fi
Bluetooth 5.0
802.11ac Wi-Fi
Bluetooth 4.2
802.11ac Wi-Fi
Bluetooth 4.2
802.11ac Wi-Fi
Bluetooth 4.2
802.11ac Wi-Fi
Bluetooth 5.0
802.11ac Wi-Fi
Bluetooth 5.0
Connections and Expansion
Connections and Expansion
Connections and Expansion
Connections and Expansion
Connections and Expansion
Connections and Expansion
Two USB 3 ports
Four Thunderbolt 3 (USB-C) ports
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Gigabit Ethernet
HDMI 2.0 port
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Four USB 3 ports
Four Thunderbolt 3 (USB-C) ports
SDXC card slot (UHS-II)
10Gb Ethernet
—
Two USB 3 ports
Configurable to twelve Thunderbolt 3 (USB-C) ports
Eight PCI Express expansion slots
Dual 10Gb Ethernet
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Camera
Camera
Camera
Camera
Camera
Camera
—
FaceTime HD camera
FaceTime HD camera
FaceTime HD camera
FaceTime HD camera
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Keyboard and Mouse
Keyboard and Mouse
Keyboard and Mouse
Keyboard and Mouse
Keyboard and Mouse
Keyboard and Mouse
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—
Magic Keyboard
Magic Mouse 2
Magic Keyboard
Magic Mouse 2
Magic Keyboard
Magic Mouse 2
Space Grey Magic Keyboard with Numeric Keypad
Space Grey Magic Mouse 2
Magic Keyboard with Numeric Keypad
Magic Mouse 2 or Magic Trackpad 2
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21.5-inch display
1920x1080 resolution
320 nits brightness
Standard colour (sRGB)
21.5-inch Retina 4K display
4096x2304 resolution
500 nits brightness
Wide colour (P3)
Processor
Processor
Processor
Quad-core Intel Core i3 or 6-core Intel Core i5
Dual-core Intel Core i5
Quad-core Intel Core i3 or 6-core Intel Core i5
Memory
Memory
Memory
8GB
8GB
8GB
Storage²
Storage²
Storage²
256GB or 512GB SSD
1TB hard drive
1TB hard drive
or 1TB Fusion Drive
Graphics
Graphics
Graphics
Intel UHD Graphics 630
Intel Iris Plus Graphics 640
AMD Radeon Pro 555 or 560
Wireless
Wireless
Wireless
802.11ac Wi-Fi
Bluetooth 5.0
802.11ac Wi-Fi
Bluetooth 4.2
802.11ac Wi-Fi
Bluetooth 4.2
Connections and Expansion
Connections and Expansion
Connections and Expansion
Two USB 3 ports
Four Thunderbolt 3 (USB-C) ports
—
Gigabit Ethernet
HDMI 2.0 port
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Camera
Camera
Camera
—
FaceTime HD camera
FaceTime HD camera
Keyboard and Mouse
Keyboard and Mouse
Keyboard and Mouse
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—
Magic Keyboard
Magic Mouse 2
Magic Keyboard
Magic Mouse 2
Display
Display
Display
27-inch Retina 5K display
5120x2880 resolution
500 nits brightness
Wide colour (P3)
27-inch Retina 5K display
5120x2880 resolution
500 nits brightness
Wide colour (P3)
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Processor
Processor
Processor
Quad-core Intel Core i5
8-core Intel Xeon W configurable to 10-core, 14-core or 18-core
Configurable to 28-core Intel Xeon W
Memory
Memory
Memory
8GB
32GB configurable to 64GB,128GB or 256GB
Configurable to 1.5TB
Storage²
Storage²
Storage²
1TB or 2TB Fusion Drive
1TB SSD configurable
to 2TB or 4TB SSD
Configurable to 8TB SSD
Graphics
Graphics
Graphics
AMD Radeon Pro 570x, 575x or 580x
AMD Radeon Pro Vega 56
configurable to Vega 64 or Vega 64X
AMD Radeon Pro 580X
configurable with up to four
AMD Radeon Pro Vega II GPUs
Wireless
Wireless
Wireless
802.11ac Wi-Fi
Bluetooth 4.2
802.11ac Wi-Fi
Bluetooth 5.0
802.11ac Wi-Fi
Bluetooth 5.0
Connections and Expansion
Connections and Expansion
Connections and Expansion
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Four USB 3 ports
Four Thunderbolt 3 (USB-C) ports
SDXC card slot (UHS-II)
10Gb Ethernet
—
Two USB 3 ports
Configurable to twelve Thunderbolt 3 (USB-C) ports
Eight PCI Express expansion slots
Dual 10Gb Ethernet
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Camera
Camera
Camera
FaceTime HD camera
FaceTime HD camera
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Keyboard and Mouse
Keyboard and Mouse
Keyboard and Mouse
Magic Keyboard
Magic Mouse 2
Space Grey Magic Keyboard with Numeric Keypad
Space Grey Magic Mouse 2
Magic Keyboard with Numeric Keypad
Magic Mouse 2 or Magic Trackpad 2
Display
Display
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—
—
21.5-inch display
1920x1080 resolution
320 nits brightness
Standard colour (sRGB)
Processor
Processor
Quad-core Intel Core i3 or 6-core Intel Core i5
Dual-core Intel Core i5
Memory
Memory
8GB
8GB
Storage²
Storage²
128GB or 256GB SSD
1TB hard drive
Graphics
Graphics
Intel UHD Graphics 630
Intel Iris Plus Graphics 640
Wireless
Wireless
802.11ac Wi-Fi
Bluetooth 5.0
802.11ac Wi-Fi
Bluetooth 4.2
Connections and Expansion
Connections and Expansion
Two USB 3 ports
Four Thunderbolt 3 (USB-C) ports
—
Gigabit Ethernet
HDMI 2.0 port
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Camera
Camera
—
FaceTime HD camera
Keyboard and Mouse
Keyboard and Mouse
—
—
Magic Keyboard
Magic Mouse 2
Display
Display
21.5-inch Retina 4K display
4096x2304 resolution
500 nits brightness
Wide colour (P3)
27-inch Retina 5K display
5120x2880 resolution
500 nits brightness
Wide colour (P3)
Processor
Processor
Quad-core Intel Core i5
Quad-core Intel Core i5
Memory
Memory
8GB
8GB
Storage²
Storage²
1TB hard drive
or 1TB Fusion Drive
1TB or 2TB Fusion Drive
Graphics
Graphics
Radeon Pro 555 or 560
Radeon Pro 570, 575 or 580
Wireless
Wireless
802.11ac Wi-Fi
Bluetooth 4.2
802.11ac Wi-Fi
Bluetooth 4.2
Connections and Expansion
Connections and Expansion
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Four USB 3 ports
Two Thunderbolt 3 (USB-C) ports
SDXC card slot
Gigabit Ethernet
—
Camera
Camera
FaceTime HD camera
FaceTime HD camera
Keyboard and Mouse
Keyboard and Mouse
Magic Keyboard
Magic Mouse 2
Magic Keyboard
Magic Mouse 2
Display
Display
27-inch Retina 5K display
5120x2880 resolution
500 nits brightness
Wide colour (P3)
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—
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Processor
Processor
8-core Intel Xeon W configurable to 10-core, 14-core or 18-core
6-core or 8-core Intel Xeon E5 configurable to 12-core
Memory
Memory
32GB configurable to 64GB or 128GB
16GB configurable to 32GB or 64GB
Storage²
Storage²
1TB SSD configurable
to 2TB or 4TB SSD
256GB SSD configurable
to 512GB or 1TB SSD
Graphics
Graphics
Radeon Pro Vega 56
configurable to Vega 64
Dual AMD FirePro D500 or D700
Wireless
Wireless
802.11ac Wi-Fi
Bluetooth 4.2
802.11ac Wi-Fi
Bluetooth 4.0
Connections and Expansion
Connections and Expansion
Four USB 3 ports
Four Thunderbolt 3 (USB-C) ports
SDXC card slot (UHS-II)
10Gb Ethernet
—
Four USB 3 ports
Six Thunderbolt 3 (USB-C) ports
—
Dual Gigabit Ethernet
HDMI 1.4 port
Camera
Camera
FaceTime HD camera
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Keyboard and Mouse
Keyboard and Mouse
Space Grey Magic Keyboard with Numeric Keypad
Space Grey Magic Mouse 2
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- Display size is measured diagonally.
- 1GB = 1 billion bytes and 1TB = 1 trillion bytes; actual formatted capacity less.
Features listed are standard configurations except where noted.