iMac 24 (M1, Four Ports, Mid 2021) vs iMac 21.5 (Retina 4K, Late 2015)
iMac 24
(M1, Four Ports, Mid 2021)
$1,499
iMac 21.5
(Retina 4K, Late 2015)
$1,499
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Base Price (MSRP)
$1,499
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Base Price (MSRP)
$1,499
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CPU
M1 (8C8G)
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CPU
Core i5-5675R
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GPU
8-Core M1
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GPU
Iris Pro 6200 1100MHz
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Memory
8GB
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Memory
8GB
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Storage
256GB
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Storage
128GB
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Display
23.5" LCD IPS 4480×2520
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Display
21.5" LCD IPS 4096×2304
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21 FPS 1080p
18%
2.62 TFLOPS FP32
5%
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N/A
0%
845 GFLOPS FP32
2%
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8GB
LPDDR4X-4266
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8GB
DDR3-1866
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24 Tabs
5%
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24 Tabs
5%
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256GB
Soldered
PCIe 3.0 x4
Up to 2.7GB/s Read
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128GB
Proprietary Apple 12+16 Pin
PCIe 3.0 x4
Up to 1.3GB/s Read
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442 min 4K Video
11%
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186 min 4K Video
5%
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No Optical Drive
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No Optical Drive
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23.5"
LCD IPS
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21.5"
LCD IPS
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Area
236 in² (1522.4 cm²)
16:9 Aspect Ratio
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Area
197.5 in² (1274.3 cm²)
16:9 Aspect Ratio
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Brightness
500 Nits
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Brightness
400 Nits
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Refresh Rate
60Hz
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Refresh Rate
60Hz
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Response Time
29ms GtG
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Response Time
27ms GtG
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Flicker
23000Hz
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Resolution
4480×2520
11.3 Million Pixels
219 PPI
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Resolution
4096×2304
9.4 Million Pixels
219 PPI
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LED Backlight
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1,400:1 Contrast
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LED Backlight
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1,100:1 Contrast
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Viewing Angles
178° Horizontal
178° Vertical
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Viewing Angles
178° Horizontal
178° Vertical
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Colour Depth
10-bit
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Colour Depth
8-bit
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Coverage
100% sRGB
99% DCI-P3
88% Adobe RGB
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Coverage
100% sRGB
99% DCI-P3
88% Adobe RGB
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Accuracy
dE 1.1 Avg
dE 2.0 Max
dE 1.50 Greyscale
2.16 Gamma
6730K
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Coating
Glossy Anti-Reflective
Fully Laminated
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Coating
Glossy Anti-Reflective
Fully Laminated
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1080p
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720p
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Magic Keyboard with Touch ID
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Magic Keyboard
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Magic Mouse
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Magic Mouse 2
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Not Included
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Not Included
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Not Included
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Not Included
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Fingerprint
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No Biometrics
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6
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2
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3
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2
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No Cellular
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No Cellular
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Wi-Fi 6 (802.11ax)
2 Stream
Up to 1200Mbps
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Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
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Bluetooth 5.0
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Bluetooth 4.0
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No Sensors
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No Sensors
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Integrated Chipset
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Z87
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Data
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2x USB-C 3.1 (10Gbps)
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2x USB 4 (40Gbps)
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Data
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4x USB 3.0 (5Gbps)
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2x Thunderbolt 2 (20Gbps)
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Network
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1x Ethernet (1Gbps)
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Network
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1x Ethernet (1Gbps)
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Audio
1x Audio Jack
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Audio
1x Audio Jack
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Card
1x SDXC Card
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External
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185W
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143W
15.90V
9.00A
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Not Included
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MagSafe iMac
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Ethernet 1G
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2.0M (7 ft) Cable
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No Battery
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No Battery
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macOS 11 Big Sur
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OS X 10.11 El Capitan
Windows
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macOS 12 Monterey (Latest)
Windows 10 (Latest)
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Build Material
Aluminum
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Build Material
Aluminum
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Height
461 mm (18.1 in)
Width
547 mm (21.5 in)
Depth
147 mm (5.8 in)
Volume
37.07 L
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Height
450 mm (17.7 in)
Width
528 mm (20.8 in)
Depth
175 mm (6.9 in)
Volume
41.63 L
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Weight
4.481 kg (9.9 lb)
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Weight
5.67 kg (12.5 lb)
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CPU
Not Upgradable
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CPU
Upgradable
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GPU
Not Upgradable
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GPU
Not Upgradable
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Memory
Not Upgradable
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Memory
Upgradable
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Storage
Not Upgradable
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Storage
Upgradable
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Wi-Fi
Not Upgradable
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Wi-Fi
Upgradable
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Motherboard
Not Upgradable
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Motherboard
Not Upgradable
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Power Supply
Upgradable
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Power Supply
Not Upgradable
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Storage Slots
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1x 2.5" Bay
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Memory Slots
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2x SO-DIMM
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A2438
EMC 3663
iMac21,1
|
A1418
EMC 2833
iMac16,2
|
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