iMac 21.5 (Mid 2017) vs iMac 24 (M1, Two Ports, Mid 2021) Full Specs
CPU Core i5-7360U2 Cores | CPU M1 (8C7G)8 Cores (4P+4E) |
GPU Iris Plus 640 1000MHz384 Shaders | GPU 7-Core M1896 Shaders |
Memory | Memory |
Storage | Storage |
Display 21.5" LCD IPS1920x1080 350Nits 60Hz Glossy AR | Display 23.5" LCD IPS4480x2520 500Nits 60Hz Glossy AR |
Other Upgrades - | Other Upgrades |
Price $1,099 | Price $1,299 |
Core i5-7360U | M1 (8C7G) |
2 Cores 4 Threads 2.3GHz | 8 Cores(4P+4E) 8 Threads 3.2GHz |
Iris Plus 640 1000MHz | 7-Core M1 |
384 Shaders 1GHz | 896 Shaders 1.28GHz |
2x SO-DIMM |
1.4GB/s Read 700MB/s Write | 2.7GB/s Read 2.2GB/s Write |
1x 2.5" |
21.5" LCD IPS1920x1080 350Nits 60Hz Glossy AR | 23.5" LCD IPS4480x2520 500Nits 60Hz Glossy AR |
Panel & HDR LCD IPS | Panel & HDR LCD IPS |
Area & Aspect Ratio 197.5 in²
16:9 | Area & Aspect Ratio 236 in²
16:9 |
Brightness 350 nits
350 nits Peak | Brightness 500 nits
500 nits Peak |
Refresh & VRR 60Hz | Refresh & VRR 60Hz |
Response Time - | Response Time 29 ms |
Resolution 1920x1080
2.1M Pixels
103 ppi | Resolution 4480x2520
11.3M Pixels
219 ppi |
Backlight & Contrast LED
1K:1 contrast | Backlight & Contrast LED
1.4K:1 contrast |
Viewing Angles 178° H
178° V | Viewing Angles 178° H
178° V |
Color Depth 8-bit | Color Depth 10-bit |
Color Coverage 100% sRGB | 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 23 mm (0.91") | Border Size 9 mm (0.35") |
Data 2x Thunderbolt 3 4x USB 3.0 | Data 2x USB 4.0 - |
Network 1x Ethernet | Network - |
Audio 1x Audio Jack | Audio 1x Audio Jack |
Card Slots 1x SDXC Card UHS-II | Card Slots - |
Wi-Fi 5 Bluetooth 4.2 | Wi-Fi 6 Bluetooth 5.0 |
Power Supply 185W | Charger |
Max Power Draw - | Max Power Draw 80W |
Output - | Output 143W
15.90V
8.99A |
Input - | Input 2.00A |
Protocol & Port - | Protocol & Port MagSafe iMac |
USB-PD - | USB-PD - |
Speakers 2 | Speakers 6 |
Microphones 2 | Microphones 3 |
Launch OS macOS 10.12 Sierra | Launch OS macOS 11 Big Sur |
Secondary OS Windows 10 | Secondary OS - |
Build Material Aluminum | Build Material Aluminum |
Height 450 mm (17.72")Width 528 mm (20.79")Depth 175 mm (6.89") | Height 461 mm (18.15")Width 547 mm (21.54")Depth 147 mm (5.79") |
Weight 5.67 kg | Weight 4.46 kg |
Weight + Charger - | Weight + Charger 4.90 kg |
Volume 41.58 L | Volume 37.0685 L |
Fans 1 | Fans 1 |
Release Date 2017-05-05 | Release Date 2021-05-21 |
Warranty 1 year | Warranty 1 year |
Description Mid 2017 | Description M1, Two Ports, Mid 2021 |
Model ID iMac18,1 | Model ID iMac21,2 |
Model Number 1 A1418 | Model Number 1 A2439 |
Model Number 2 EMC 3068 | Model Number 2 EMC 3664 |