iMac 24 (M1, Two Ports, Mid 2021) vs iMac 27 (Early 2019) Full Specs

Summary

CPU M1 (8C7G)8 Cores (4P+4E)	CPU Core i5-85006 Cores
GPU 7-Core M1896 Shaders	GPU Radeon Pro 570X1,792 Shaders, 4GB
Memory 8GBLPDDR4X-4266	Memory 8GBDDR4-2666
Storage 256GBPCIe 3.0 x4	Storage 256GBPCIe 3.0 x4
Display 23.5" LCD IPS4480x2520 500Nits 60Hz Glossy AR	Display 27" LCD IPS5120x2880 500Nits 60Hz Glossy AR
Other Upgrades 143W MagSafe iMac	Other Upgrades -
Price $1,299 MAX	Price $1,799 MAX

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Peak OPS FP32 FP16 GPU Bandwidth

iMac 242,380M1 (8C7G)

x1.77

iMac 271,341Core i5-8500

x1

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System Arch

CPU

M1 (8C7G)	Core i5-8500
8 Cores(4P+4E) 8 Threads 3.2GHz	6 Cores 6 Threads 3GHz

GPU

7-Core M1	Radeon Pro 570X
896 Shaders 1.28GHz	1,792 Shaders 1.1GHz
Shared Memory	4GB GDDR5 217.6GB/s
Peak·FP32·FP16 2.29 TFLOPSFP16	Peak·FP32·FP16 3.96 TFLOPSFP16

Memory

8GBLPDDR4X-4266	8GBDDR4-2666
	4x SO-DIMM

Storage

256GBPCIe 3.0 x4	256GBPCIe 3.0 x4
2.7GB/s Read 2.2GB/s Write	2.8GB/s Read 1.3GB/s Write
	1x 3.5"

Display

23.5" LCD IPS4480x2520 500Nits 60Hz Glossy AR Size Res 23.5"	27" LCD IPS5120x2880 500Nits 60Hz Glossy AR Size Res 27"
Panel & HDR LCD IPS	Panel & HDR LCD IPS
Area & Aspect Ratio 236 in² 16:9	Area & Aspect Ratio 311.5 in² 16:9
Brightness 500 nits 500 nits Peak	Brightness 500 nits 500 nits Peak
Refresh & VRR 60Hz	Refresh & VRR 60Hz
Response Time 29 ms	Response Time 27 ms
Resolution 4480x2520 11.3M Pixels 219 ppi	Resolution 5120x2880 14.8M Pixels 218 ppi
Backlight & Contrast LED 1.4K:1 contrast	Backlight & Contrast LED 1.1K:1 contrast
Viewing Angles 178° H 178° V	Viewing Angles 178° H 178° V
Color Depth 10-bit	Color Depth 10-bit
Color Coverage 100% sRGB 99% DCI-P3	Color Coverage 100% sRGB 99% DCI-P3
Coating & Lamination Glossy AR Fully Laminated	Coating & Lamination Glossy AR Fully Laminated
Touchscreen No	Touchscreen No
External Display Mode No	External Display Mode No
Border Size 9mm (0.35")	Border Size 23mm (0.91")

Ports

Data 2x USB 4.0 -	Data 2x Thunderbolt 3 4x USB 3.0
Network -	Network 1x Ethernet 1G
Audio 1x Audio Jack	Audio 1x Audio Jack
Card Slots -	Card Slots 1x SDXC Card UHS-II

Connectivity

Wi-Fi 6 Bluetooth 5.0	Wi-Fi 5 Bluetooth 4.2
Infrared No	Infrared No

Power

Charger 143W MagSafe iMac	Power Supply 310W
Max Power Draw 80W	Max Power Draw -
Output 143W 15.90V 8.99A	Output -
Input 2.00A	Input -
Protocol & Port MagSafe iMac	Protocol & Port -
USB-PD -	USB-PD -

Audio

Speakers 6	Speakers 2
Microphones 3	Microphones 3

OS

Launch OS macOS 11 Big Sur	Launch OS macOS 10.14 Mojave
Secondary OS -	Secondary OS Windows 10

Enclosure

Build Material Aluminum	Build Material Aluminum
Height 461mm (18.15") Width 547mm (21.54") Depth 147mm (5.79")	Height 516mm (20.31") Width 650mm (25.59") Depth 203mm (7.99")
Weight 4.46kg	Weight 9.44kg
Weight + Charger 4.90kg	Weight + Charger -
Volume 37.0685L	Volume 68.0862L
Fans 1	Fans 1

Info

Release Date 2021-05-21	Release Date 2019-03-19
Warranty 1 year	Warranty 1 year
Description M1, Two Ports, Mid 2021	Description Early 2019
Model ID iMac21,2	Model ID iMac19,1
Model Number 1 A2439	Model Number 1 A2115
Model Number 2 EMC 3664	Model Number 2 EMC 3194

Images