iMac 21.5 (Retina 4K, Late 2015) vs iMac 20 (Early 2006)
iMac 21.5
(Retina 4K, Late 2015)
$1,499
iMac 20
(Early 2006)
$1,699
|
Base Price (MSRP)
$1,499
|
Base Price (MSRP)
$1,699
|
|
CPU
Core i5-5675R
|
CPU
Core Duo T2500
|
|
GPU
Iris Pro 6200 1100MHz
|
GPU
Mobility Radeon X1600 Mac
|
|
Memory
8GB
|
Memory
512MB
|
|
Storage
128GB
|
Storage
250GB
|
|
Display
21.5" LCD IPS 4096×2304
|
Display
20" LCD TN 1680×1050
|
|
N/A
0%
845 GFLOPS FP32
2%
|
N/A
0%
N/A
0%
|
|
8GB
DDR3-1866
|
512MB
DDR2-667
|
|
24 Tabs
5%
|
Unknown # Tabs
0%
|
|
128GB
Proprietary Apple 12+16 Pin
PCIe 3.0 x4
Up to 1.3GB/s
|
250GB
3.5"
SATA 1
-
|
|
186 min 4K Video
5%
|
430 min 4K Video
11%
|
|
No Optical Drive
|
8x SuperDrive DL
Slot Loading
|
|
-
|
-
|
|
21.5"
LCD IPS
-
-
|
20"
LCD TN
-
-
|
|
|
|
|
Area
197.5 in² (1274.3 cm²)
16:9 Aspect Ratio
|
Area
179.8 in² (1159.8 cm²)
16:10 Aspect Ratio
|
|
Brightness
400 Nits
-
|
Brightness
280 Nits
-
|
|
Refresh Rate
60Hz
-
-
-
|
Refresh Rate
60Hz
-
-
-
|
|
Response Time
27ms GtG
|
-
-
|
|
Flicker
23000Hz
|
-
-
|
|
Resolution
4096×2304
9.4 Million Pixels
219 PPI
|
Resolution
1680×1050
1.8 Million Pixels
99 PPI
|
|
|
|
|
LED Backlight
-
1,100:1 Contrast
|
CCFL Backlight
-
800:1 Contrast
|
|
Viewing Angles
178° Horizontal
178° Vertical
|
Viewing Angles
160° Horizontal
160° Vertical
|
|
Colour Depth
8-bit
|
Colour Depth
8-bit
|
|
Coverage
100% sRGB
99% DCI-P3
88% Adobe RGB
|
-
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
Coating
Glossy Anti-Reflective
Fully Laminated
|
-
-
-
|
|
-
-
|
-
-
|
|
720p
-
-
-
-
-
-
-
|
480p
-
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
|
|
-
-
-
-
-
|
-
-
-
-
-
|
|
-
-
-
-
-
|
-
-
-
-
-
|
|
-
-
-
-
-
|
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Magic Keyboard
|
Apple Keyboard
|
|
Magic Mouse 2
|
Mighty Mouse
|
|
Not Included
|
Apple Remote
|
|
Not Included
|
Not Included
|
|
No Biometrics
|
No Biometrics
|
|
2
|
2
|
|
2
|
1
|
|
No Cellular
|
No Cellular
|
|
|
|
|
|
|
|
Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
|
Wi-Fi 3 (802.11g)
1 Stream
Up to 54Mbps
|
|
Bluetooth 4.0
|
Bluetooth 2.0
|
|
Infrared
|
|
No Sensors
-
-
-
-
|
No Sensors
-
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
Z87
|
945PM
ICH7M
|
|
Data
-
-
-
-
-
-
-
-
-
-
-
-
4x USB 3.0 (5Gbps)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x Thunderbolt 2 (20Gbps)
-
-
-
|
Data
-
-
-
-
-
-
-
-
-
-
-
3x USB 2.0 (480Mbps)
-
-
-
-
-
-
-
-
-
-
-
2x FireWire 400
-
-
-
-
-
-
-
-
-
|
|
Network
-
-
1x Ethernet (1Gbps)
-
-
-
-
|
Network
-
-
1x Ethernet (1Gbps)
-
-
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
Video
-
-
-
-
-
-
-
-
-
-
-
-
1x mini-DVI
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Audio
1x Audio Jack
-
|
Audio
2x Audio Jack
-
|
|
Card
1x SDXC Card
-
|
-
-
-
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
|
-
|
|
185W
|
180W
|
|
Not Included
-
-
|
Not Included
-
-
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
-
-
-
-
-
|
-
-
-
-
-
|
|
No Battery
-
-
-
-
|
No Battery
-
-
-
-
|
|
-
|
-
|
|
-
-
-
-
-
|
-
-
-
-
-
|
|
OS X 10.11 El Capitan
Windows
|
Mac OS X 10.4 Tiger
Windows
|
|
macOS 12 Monterey (Latest)
Windows 10 (Latest)
|
Mac OS X 10.6 Snow Leopard (Latest)
Windows 7 (Latest)
|
|
Build Material
Aluminum
-
-
|
Build Material
Plastic
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
Height
450 mm (17.7 in)
Width
528 mm (20.8 in)
Depth
175 mm (6.9 in)
Volume
41.63 L
|
Height
472 mm (18.6 in)
Width
493 mm (19.4 in)
Depth
188 mm (7.4 in)
Volume
43.76 L
|
|
Weight
5.67 kg (12.5 lb)
-
-
-
-
|
Weight
9.979 kg (22 lb)
-
-
-
-
|
|
CPU
Upgradable
|
CPU
Upgradable
|
|
GPU
Not Upgradable
|
GPU
Upgradable
|
|
Memory
Upgradable
|
Memory
Upgradable
|
|
Storage
Upgradable
|
Storage
Upgradable
|
|
Wi-Fi
Upgradable
|
Wi-Fi
Upgradable
|
|
Motherboard
Not Upgradable
|
Motherboard
Not Upgradable
|
|
Power Supply
Not Upgradable
|
Power Supply
Not Upgradable
|
|
Storage Slots
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x 2.5" Bay
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Memory Slots
-
2x SO-DIMM
|
Memory Slots
-
2x SO-DIMM
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
A1418
EMC 2833
iMac16,2
|
A1174
EMC 2105
iMac4,1
|
Copy Link