iMac 24 (M1, Four Ports, Mid 2021) vs iMac 27 (Early 2019)

iMac 24 (M1, Four Ports, Mid 2021) $1,499
iMac 27 (Early 2019) $1,799
Base Price (MSRP)
$1,499
Base Price (MSRP)
$1,799
CPU
M1 (8C8G)
CPU
Core i5-8500
GPU
8-Core M1
GPU
Radeon Pro 570X
Memory
8GB
Memory
8GB
Storage
256GB
Storage
256GB
Display
23.5" LCD IPS 4480×2520
Display
27" LCD IPS 5120×2880
CPU Image
M1 (8C8G)
8 Cores
8 Threads
3.2GHz Clock
CPU Image
Core i5-8500
6 Cores
6 Threads
3GHz Clock
M1 (8C8G) vs Core i5-8500 Full Specs Comparison
GPU Image
8-Core M1
1024 Shaders
1278MHz
Shared Memory
GPU Image
Radeon Pro 570X
1792 Shaders
1105MHz
4GB GDDR5
217.6GB/s Bandwidth
21 FPS 1080p
18%
2.62 TFLOPS FP32
5%
N/A
0%
3.96 TFLOPS FP32
8%
8-Core M1 vs Radeon Pro 570X Full Specs Comparison
8GB
LPDDR4X-4266
8GB
DDR4-2666
24 Tabs
5%
24 Tabs
5%
256GB
Soldered
PCIe 3.0 x4
Up to 2.7GB/s Read
256GB
Soldered
PCIe 3.0 x4
Up to 2.8GB/s Read
442 min 4K Video
11%
442 min 4K Video
11%
No Optical Drive
No Optical Drive
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23.5"
LCD IPS
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27"
LCD IPS
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Area
236 in² (1522.4 cm²)
16:9 Aspect Ratio
Area
311.5 in² (2009.7 cm²)
16:9 Aspect Ratio
Brightness
500 Nits
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Brightness
500 Nits
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Refresh Rate
60Hz
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Refresh Rate
60Hz
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Response Time
29ms GtG
Response Time
27ms GtG
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Flicker
23000Hz
Resolution
4480×2520
11.3 Million Pixels
219 PPI
Resolution
5120×2880
14.7 Million Pixels
218 PPI
LED Backlight
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1,400:1 Contrast
LED Backlight
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1,100:1 Contrast
Viewing Angles
178° Horizontal
178° Vertical
Viewing Angles
178° Horizontal
178° Vertical
Colour Depth
10-bit
Colour Depth
10-bit
Coverage
100% sRGB
99% DCI-P3
88% Adobe RGB
Coverage
100% sRGB
99% DCI-P3
88% Adobe RGB
Accuracy
dE 1.1 Avg
dE 2.0 Max
dE 1.50 Greyscale
2.16 Gamma
6730K
Accuracy
dE 1.4 Avg
dE 2.6 Max
dE 2.20 Greyscale
2.32 Gamma
6830K
Coating
Glossy Anti-Reflective
Fully Laminated
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
Magic Keyboard
Magic Mouse
Magic Mouse 2
Not Included
Not Included
Not Included
Not Included
Fingerprint
No Biometrics
6
2
3
3
No Cellular
No Cellular
Wi-Fi 6 (802.11ax)
2 Stream
Up to 1200Mbps
Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
Bluetooth 5.0
Bluetooth 4.2
No Sensors
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No Sensors
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Integrated Chipset
Z270
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 3 (40Gbps)
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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 UHS-II
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External
310W
143W
15.90V
9.00A
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
macOS 10.14 Mojave
Windows
Windows 10 (Latest)
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
Height
516 mm (20.3 in)
Width
650 mm (25.6 in)
Depth
203 mm (8 in)
Volume
68.13 L
Weight
4.481 kg (9.9 lb)
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Weight
9.435 kg (20.8 lb)
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CPU
Not Upgradable
CPU
Upgradable
GPU
Not Upgradable
GPU
Not Upgradable
Memory
Not Upgradable
Memory
Upgradable
Storage
Not Upgradable
Storage
Upgradable
Wi-Fi
Not Upgradable
Wi-Fi
Not Upgradable
Motherboard
Not Upgradable
Motherboard
Not Upgradable
Power Supply
Upgradable
Power Supply
Not Upgradable
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Memory Slots
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4x SO-DIMM
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A2438
EMC 3663
iMac21,1
A2115
EMC 3194
iMac19,1
Change Comparison