iMac 21.5 (Early 2019) vs iMac 27 (Mid 2011)
iMac 21.5
(Early 2019)
$1,299
iMac 27
(Mid 2011)
$1,699
|
Base Price (MSRP)
$1,299
|
Base Price (MSRP)
$1,699
|
|
CPU
Core i3-8100
|
CPU
Core i5-2500S
|
|
GPU
Radeon Pro 555X
|
GPU
Radeon HD 6770M Mac MXM
|
|
Memory
8GB
|
Memory
4GB
|
|
Storage
0GB + 1TB
|
Storage
256GB
|
|
Display
21.5" LCD IPS 4096×2304
|
Display
27" LCD IPS 2560×1440
|
GB6 Single-Core
|
|
iMac 21.5 (Early 2019) - GB6S 1,265
x2.2
iMac 27 (Mid 2011) - GB6S 575
x1
GB6 Multi-Core
|
|
iMac 21.5 (Early 2019) - GB6M 3,460
x2.1
iMac 27 (Mid 2011) - GB6M 1,650
x1
FP32
|
|
iMac 21.5 (Early 2019) - 1.39 TFLOPS FP32
x2.15
iMac 27 (Mid 2011) - 648 GFLOPS FP32
x1
|
1.39 TFLOPS FP32
3%
|
648 GFLOPS FP32
1%
|
|
8GB
DDR4-2666
|
4GB
DDR3-1333
|
|
24 Tabs
5%
|
8 Tabs
2%
|
|
0GB + 1TB
2.5"
SATA 3
5400RPM
|
256GB
2.5"
SATA 2
Up to 190MB/s Read
|
|
1,930 min 4K Video
48%
|
442 min 4K Video
11%
|
|
No Optical Drive
|
8x SuperDrive DL
Slot Loading
|
|
21.5"
LCD IPS
|
27"
LCD IPS
|
|
21.5"
|
27"
|
|
Area
197.5 in² (1274.3 cm²)
16:9 Aspect Ratio
|
Area
311.5 in² (2009.7 cm²)
16:9 Aspect Ratio
|
|
Brightness
500 Nits
|
Brightness
375 Nits
|
|
Refresh Rate
60Hz
|
Refresh Rate
60Hz
|
|
Response Time
27ms GtG
|
-
-
|
|
Flicker
23000Hz
|
-
-
|
|
Resolution
4096×2304
9.4 Million Pixels
219 PPI
|
Resolution
2560×1440
3.7 Million Pixels
109 PPI
|
|
4096×2304
|
2560×1440
|
|
LED Backlight
1,100:1 Contrast
|
LED Backlight
1,000:1 Contrast
|
|
Viewing Angles
178° Horizontal
178° Vertical
|
Viewing Angles
178° Horizontal
178° Vertical
|
|
Colour Depth
10-bit
|
Colour Depth
8-bit
|
|
Coverage
100% sRGB
99% DCI-P3
88% Adobe RGB
|
Coverage
100% sRGB
-
-
|
|
Accuracy
dE 1.4 Avg
dE 2.6 Max
dE 2.20 Greyscale
2.32 Gamma
6830K
|
-
-
-
-
-
-
|
|
Coating
Glossy Anti-Reflective
Fully Laminated
|
-
-
-
|
4096×2304
2560×1440
|
720p
|
480p
|
|
Magic Keyboard
|
Apple Wireless Keyboard
|
|
Magic Mouse 2
|
Magic Mouse
|
|
No Biometrics
|
No Biometrics
|
|
2
|
2
|
|
2
|
1
|
|
No Cellular
|
No Cellular
|
|
|
|
|
|
|
|
Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
|
Wi-Fi 4E (802.11n)
3 Stream
Up to 450Mbps
|
|
Bluetooth 4.2
|
Bluetooth 2.1
|
|
Z270
|
Z68
|
|
Data
-
4x USB 3.0 (5Gbps)
-
2x Thunderbolt 3 (40Gbps)
|
Data
4x USB 2.0 (480Mbps)
-
2x Thunderbolt 1 (10Gbps)
-
|
|
Network
1x Ethernet (1Gbps)
|
Network
1x Ethernet (1Gbps)
|
|
Audio
1x Audio Jack
|
Audio
2x Audio Jack
|
|
Card
1x SDXC Card UHS-II
|
Card
1x SDXC Card
|
|
185W
|
310W
|
|
|
|
|
macOS 10.14 Mojave
Windows
|
Mac OS X 10.6 Snow Leopard
Windows
|
|
Windows 10 (Latest)
|
macOS 10.13 High Sierra (Latest)
Windows 7 (Latest)
|
|
Build Material
Aluminum
|
Build Material
Aluminum
|
|
Height
450 mm (17.7 in)
Width
528 mm (20.8 in)
Depth
175 mm (6.9 in)
Volume
41.63 L
|
Height
518 mm (20.4 in)
Width
650 mm (25.6 in)
Depth
207 mm (8.1 in)
Volume
69.75 L
|
|
Weight
5.579 kg (12.3 lb)
|
Weight
13.835 kg (30.5 lb)
|
|
CPU
Upgradable
|
CPU
Upgradable
|
|
GPU
Not Upgradable
|
GPU
Upgradable
|
|
Memory
Upgradable
|
Memory
Upgradable
|
|
Storage
Upgradable
|
Storage
Upgradable
|
|
Wi-Fi
Upgradable
|
Wi-Fi
Not 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
4x SO-DIMM
|
|
A2116
EMC 3195
iMac19,2
|
A1312
EMC 2429
iMac12,2
|
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