iMac 21.5 (Early 2019) vs iMac 27 (Mid 2017)

iMac 21.5 (Early 2019) $1,299
iMac 27 (Mid 2017) $1,799
Base Price (MSRP)
$1,299
Base Price (MSRP)
$1,799
CPU
Core i3-8100
CPU
Core i5-7500
GPU
Radeon Pro 555X
GPU
Radeon Pro 570
Memory
8GB
Memory
8GB
Storage
0GB + 1TB
Storage
128GB
Display
21.5" LCD IPS 4096×2304
Display
27" LCD IPS 5120×2880
CPU Image
Core i3-8100
4 Cores
4 Threads
3.6GHz Clock
CPU Image
Core i5-7500
4 Cores
4 Threads
3.4GHz Clock
Core i3-8100 vs Core i5-7500 Full Specs Comparison
GPU Image
Radeon Pro 555X
768 Shaders
907MHz
4GB GDDR5
94.4GB/s Bandwidth
GPU Image
Radeon Pro 570
1792 Shaders
1105MHz
4GB GDDR5
217.6GB/s Bandwidth
N/A
0%
1.39 TFLOPS FP32
3%
N/A
0%
3.96 TFLOPS FP32
8%
Radeon Pro 555X vs Radeon Pro 570 Full Specs Comparison
8GB
DDR4-2666
8GB
DDR4-2133
24 Tabs
5%
24 Tabs
5%
0GB + 1TB
2.5"
SATA 3
5400RPM
128GB
Proprietary Apple 12+16 Pin
PCIe 3.0 x4
Up to 1.4GB/s Read
1,930 min 4K Video
48%
186 min 4K Video
5%
No Optical Drive
No Optical Drive
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21.5"
LCD IPS
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27"
LCD IPS
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Area
197.5 in² (1274.3 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
27ms GtG
Response Time
27ms GtG
Flicker
23000Hz
Flicker
23000Hz
Resolution
4096×2304
9.4 Million Pixels
219 PPI
Resolution
5120×2880
14.7 Million Pixels
218 PPI
LED Backlight
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1,100:1 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 1.4 Avg
dE 2.6 Max
dE 2.20 Greyscale
2.32 Gamma
6830K
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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720p
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Magic Keyboard
Magic Keyboard
Magic Mouse 2
Magic Mouse 2
Not Included
Not Included
Not Included
Not Included
No Biometrics
No Biometrics
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2
2
2
No Cellular
No Cellular
Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
Bluetooth 4.2
Bluetooth 4.2
No Sensors
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No Sensors
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Z270
Z170
Data
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4x USB 3.0 (5Gbps)
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2x Thunderbolt 3 (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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Card
1x SDXC Card UHS-II
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185W
310W
Not Included
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No Battery
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No Battery
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macOS 10.14 Mojave
Windows
macOS 10.12 Sierra
Windows
Windows 10 (Latest)
macOS 13 Ventura (Latest)
Windows 10 (Latest)
Build Material
Aluminum
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Build Material
Aluminum
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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
Height
516 mm (20.3 in)
Width
650 mm (25.6 in)
Depth
203 mm (8 in)
Volume
68.13 L
Weight
5.579 kg (12.3 lb)
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Weight
9.435 kg (20.8 lb)
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CPU
Upgradable
CPU
Upgradable
GPU
Not Upgradable
GPU
Not Upgradable
Memory
Upgradable
Memory
Upgradable
Storage
Upgradable
Storage
Upgradable
Wi-Fi
Upgradable
Wi-Fi
Not Upgradable
Motherboard
Not Upgradable
Motherboard
Not Upgradable
Power Supply
Not Upgradable
Power Supply
Not Upgradable
Storage Slots
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1x 2.5" Bay
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Memory Slots
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2x SO-DIMM
Memory Slots
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4x SO-DIMM
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A2116
EMC 3195
iMac19,2
A1419
EMC 3070
iMac18,3
Change Comparison