iMac 24 (M3, Four Ports, Late 2023) vs iMac 21.5 (Early 2019)

iMac 24 (M3, Four Ports, Late 2023) $1,499
iMac 21.5 (Early 2019) $1,299
Base Price (MSRP)
$1,499
Base Price (MSRP)
$1,299
CPU
M3 (8C10G)
CPU
Core i3-8100
GPU
10-Core M3
GPU
Radeon Pro 555X
Memory
8GB
Memory
8GB
Storage
256GB
Storage
0GB + 1TB
Display
23.5" LCD IPS 4480×2520
Display
21.5" LCD IPS 4096×2304
CPU Image
M3 (8C10G)
8 Cores
8 Threads
4.05GHz Clock
CPU Image
Core i3-8100
4 Cores
4 Threads
3.6GHz Clock
M3 (8C10G) vs Core i3-8100 Full Specs Comparison
GPU Image
10-Core M3
1280 Shaders
1398MHz
Shared Memory
GPU Image
Radeon Pro 555X
768 Shaders
907MHz
4GB GDDR5
94.4GB/s Bandwidth
N/A
0%
3.58 TFLOPS FP32
7%
N/A
0%
1.39 TFLOPS FP32
3%
10-Core M3 vs Radeon Pro 555X Full Specs Comparison
8GB
LPDDR5-6400
8GB
DDR4-2666
24 Tabs
5%
24 Tabs
5%
256GB
Soldered
PCIe 3.0 x4
Up to 1.4GB/s Read
0GB + 1TB
2.5"
SATA 3
5400RPM
442 min 4K Video
11%
1,930 min 4K Video
48%
No Optical Drive
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
Area
197.5 in² (1274.3 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
4096×2304
9.4 Million Pixels
219 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
2
No Cellular
No Cellular
Wi-Fi 6E (802.11ax)
2 Stream
Up to 2400Mbps
Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
Bluetooth 5.3
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
185W
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 14 Sonoma
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
450 mm (17.7 in)
Width
528 mm (20.8 in)
Depth
175 mm (6.9 in)
Volume
41.63 L
Weight
4.48 kg (9.9 lb)
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Weight
5.579 kg (12.3 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
Upgradable
Motherboard
Not Upgradable
Motherboard
Not Upgradable
Power Supply
Upgradable
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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A2873
EMC 8206
Mac15,5
A2116
EMC 3195
iMac19,2
Change Comparison