iMac 24 (M4, Four Ports, Late 2024) vs iMac 21.5 (Late 2015)
iMac 24
(M4, Four Ports, Late 2024)
$1,499
iMac 21.5
(Late 2015)
$1,099
Base Price (MSRP)
$1,499
|
Base Price (MSRP)
$1,099
|
CPU
M4 (10C10G)
|
CPU
Core i5-5250U
|
GPU
10-Core M4
|
GPU
HD 6000 950MHz
|
Memory
16GB
|
Memory
8GB
|
Storage
256GB
|
Storage
128GB
|
Display
23.5" LCD IPS 4480x2520 -
|
Display
21.5" LCD IPS 1920x1080 -
|
GB6S 3,765
93%
GB6M 14,675
55%
|
GB6S 815
20%
GB6M 1,565
6%
|
N/A
0%
FP32 3.76 TFLOPS
8%
|
N/A
0%
FP32 0.73 TFLOPS
1%
|
16GB
LPDDR5X-7500
|
8GB
DDR3-1866
|
56 Tabs
11%
|
24 Tabs
5%
|
256GB
Soldered
PCIe 3.0 x4
Up to 1.4GB/s Read
|
128GB
Proprietary Apple 12+16 Pin
PCIe 3.0 x4
Up to 1.3GB/s Read
|
442 min 4K Video
11%
|
186 min 4K Video
5%
|
No Optical Drive
|
No Optical Drive
|
-
|
-
|
23.5"
LCD IPS
-
|
21.5"
LCD IPS
-
|
500 Nits
-
|
350 Nits
-
|
60Hz
-
|
60Hz
-
|
4480x2520
11.3 Million Pixels
219 PPI
|
1920x1080
2.1 Million Pixels
102 PPI
|
LED Backlight
-
1,400:1 Contrast
|
LED Backlight
-
1,000:1 Contrast
|
-
-
|
-
-
|
1080p
-
-
-
-
-
-
-
|
720p
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
|
-
-
-
-
-
|
-
-
-
-
-
|
-
-
-
-
-
|
-
-
-
-
-
|
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
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 4.0
|
No Sensors
-
-
-
-
|
No Sensors
-
-
-
-
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
|
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
Integrated Chipset
|
Z87
|
Data
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4x Thunderbolt 4 (40Gbps)
-
|
Data
-
-
-
-
-
-
-
-
-
-
-
-
4x USB 3.0 (5Gbps)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x Thunderbolt 2 (20Gbps)
-
-
-
|
Network
-
-
1x Ethernet (1Gbps)
-
-
-
-
|
Network
-
-
1x Ethernet (1Gbps)
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
Audio
1x Audio Jack
-
|
Audio
1x Audio Jack
-
|
-
-
-
|
Card
1x SDXC Card
-
|
-
-
|
-
-
|
-
-
-
|
-
-
-
|
-
|
-
|
External
|
185W
|
143W
15.90V
9.00A
|
Not Included
-
-
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
MagSafe iMac
-
Ethernet 1G
-
2.0M (7 ft) Cable
|
-
-
-
-
-
|
No Battery
-
-
-
-
|
No Battery
-
-
-
-
|
-
|
-
|
-
-
-
-
-
|
-
-
-
-
-
|
macOS 15 Sequoia
|
OS X 10.11 El Capitan
Windows
|
macOS 12 Monterey (Latest)
Windows 10 (Latest)
|
Build Material
Aluminum
-
-
|
Build Material
Aluminum
-
-
|
-
-
-
-
|
-
-
-
-
|
-
-
-
|
-
-
-
|
-
-
-
-
|
-
-
-
-
|
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
4.44 kg (9.8 lb)
-
-
-
-
|
Weight
5.67 kg (12.5 lb)
-
-
-
-
|
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
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
Storage Slots
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x 2.5" Bay
-
|
-
-
-
|
Memory Slots
-
2x SO-DIMM
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
A1418
EMC 2889
iMac16,1
iMac16,2
|
Copy Link