All-in-Ones

iMac 21.5 (Mid 2011) vs iMac 27 (Late 2013) Full Specs

CPU
CPU
GPU
GPU
Memory
Memory
Storage
Storage
Display
21.5" LCD IPS1920x1080 300Nits 60Hz Glossy
Display
27" LCD IPS2560x1440 400Nits 60Hz Glossy AR
Price
$1,199
Price
$1,799

CPU
iGPU
GPU
Memory
Memory
Memory
Memory
Chipset
TB
USB 2.0
USB 2.0
USB 2.0
USB 2.0
Ethernet
Audio
Audio
Storage
SD Card
CPU
iGPU
GPU
Memory
Memory
Memory
Memory
Chipset
TB
TB
USB 3.0
USB 3.0
USB 3.0
USB 3.0
Ethernet
Audio
Storage
Storage
SD Card

4 Cores
4 Threads
2.5GHz
4 Cores
4 Threads
3.2GHz

480 Shaders
598MHz
384 Shaders
1.08GHz
512MB GDDR5
1GB GDDR5

4x SO-DIMM
4x SO-DIMM

190MB/s Read
180MB/s Write
600MB/s Read
450MB/s Write
1x 3.5"
1x 3.5"

21.5" LCD IPS1920x1080 300Nits 60Hz Glossy
27" LCD IPS2560x1440 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
300 nits 300 nits Peak
Brightness
400 nits 400 nits Peak
Refresh & VRR
60Hz
Refresh & VRR
60Hz
Resolution
1920x1080 2.1M Pixels 103 ppi
Resolution
2560x1440 3.7M Pixels 109 ppi
Backlight & Contrast
LED 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
Color Coverage
100% sRGB
Coating & Lamination
-
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
1x Thunderbolt 1
4x USB 2.0
Data
2x Thunderbolt 1
4x USB 3.0
Network
1x Ethernet
Network
1x Ethernet
Audio
2x Audio Jack
Audio
1x Audio Jack
Card Slots
1x SDXC Card
Card Slots
1x SDXC Card

Wi-Fi 4E
Bluetooth 2.1
Wi-Fi 5
Bluetooth 4.0

Power Supply
205W
Power Supply
310W

Speakers
2
Speakers
2
Microphones
1
Microphones
2

Launch OS
Mac OS X 10.6 Snow Leopard
Launch OS
OS X 10.8 Mountain Lion
Latest OS
macOS 10.13 High Sierra
Latest OS
macOS 10.15 Catalina
Secondary OS
Windows 7
Secondary OS
Windows 10

Build Material
Aluminum
Build Material
Aluminum
Height
451 mm (17.76")
Width
528 mm (20.79")
Depth
188 mm (7.4")
Height
516 mm (20.31")
Width
650 mm (25.59")
Depth
203 mm (7.99")
Weight
9.30 kg
Weight
9.53 kg
Volume
44.7681 L
Volume
68.0862 L
Fans
3
Fans
1

Release Date
2011-05-03
Release Date
2013-09-24
Warranty
1 year
Warranty
1 year
Description
Mid 2011
Description
Late 2013
Model ID
iMac12,1
Model ID
iMac14,2
Model Number 1
A1311
Model Number 1
A1419
Model Number 2
EMC 2428
Model Number 2
EMC 2639