iMac 21.5 (Retina 4K, Late 2015) vs iMac 27 (Late 2015) Full Specs
CPU | CPU |
GPU | GPU |
Memory | Memory |
Storage | Storage |
Display 21.5" LCD IPS4096x2304 400Nits 60Hz Glossy AR | Display 27" LCD IPS5120x2880 400Nits 60Hz Glossy AR |
Price $1,499 | Price $1,799 |
4 Cores 4 Threads 3.1GHz | 4 Cores 4 Threads 3.2GHz |
384 Shaders 1.1GHz | 640 Shaders 900MHz |
4GB GDDR5 |
2x SO-DIMM | 4x SO-DIMM |
1.3GB/s Read 690MB/s Write | 1.3GB/s Read 690MB/s Write |
1x 2.5" | 1x 3.5" |
21.5" LCD IPS4096x2304 400Nits 60Hz Glossy AR | 27" LCD IPS5120x2880 400Nits 60Hz Glossy AR |
Panel & HDR LCD IPS | Panel & HDR LCD IPS |
Area & Aspect Ratio 197.5 in²
16:9 | Area & Aspect Ratio 311.5 in²
16:9 |
Brightness 400 nits
400 nits Peak | Brightness 400 nits
400 nits Peak |
Refresh & VRR 60Hz | Refresh & VRR 60Hz |
Response Time 27 ms | Response Time - |
Resolution 4096x2304
9.4M Pixels
219 ppi | Resolution 5120x2880
14.8M Pixels
218 ppi |
Backlight & Contrast LED
1.1K:1 contrast | Backlight & Contrast LED
1K:1 contrast |
Viewing Angles 178° H
178° V | Viewing Angles 178° H
178° V |
Color Depth 8-bit | Color Depth 8-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 23 mm (0.91") | Border Size 23 mm (0.91") |
Data 2x Thunderbolt 2 4x USB 3.0 | Data 2x Thunderbolt 2 4x USB 3.0 |
Network 1x Ethernet | Network 1x Ethernet |
Audio 1x Audio Jack | Audio 1x Audio Jack |
Card Slots 1x SDXC Card | Card Slots 1x SDXC Card |
Wi-Fi 5 Bluetooth 4.0 | Wi-Fi 5 Bluetooth 4.0 |
Power Supply 185W | Power Supply 310W |
Speakers 2 | Speakers 2 |
Microphones 2 | Microphones 2 |
Launch OS OS X 10.11 El Capitan | Launch OS OS X 10.11 El Capitan |
Latest OS macOS 12 Monterey | Latest OS macOS 12 Monterey |
Secondary OS Windows 10 | Secondary OS Windows 10 |
Build Material Aluminum | Build Material Aluminum |
Height 450 mm (17.72")Width 528 mm (20.79")Depth 175 mm (6.89") | Height 516 mm (20.31")Width 650 mm (25.59")Depth 203 mm (7.99") |
Weight 5.67 kg | Weight 9.53 kg |
Volume 41.58 L | Volume 68.0862 L |
Fans 1 | Fans 1 |
Release Date 2015-10-13 | Release Date 2015-10-13 |
Warranty 1 year | Warranty 1 year |
Description Retina 4K, Late 2015 | Description Late 2015 |
Model ID iMac16,2 | Model ID iMac17,1 |
Model Number 1 A1418 | Model Number 1 A1419 |
Model Number 2 EMC 2833 | Model Number 2 EMC 2834 |