iMac 27" (Mid 2010) vs iMac 21.5" (Late 2012)
iMac 27"
(Mid 2010)
iMac 21.5"
(Late 2012)
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Base Price
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Base Price
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CPU
Core i3-550
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CPU
Core i5-3330S
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GPU
Radeon HD 5670 Mac
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GPU
GeForce GT 640M Mac
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Memory
4GB
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Memory
8GB
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Storage
256GB
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Storage
128GB
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Display
27" LCD IPS 2560x1440 -
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Display
21.5" LCD IPS 1920x1080 -
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GB6S 425
11%
GB6M 865
4%
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GB6S 540
14%
GB6M 1,600
7%
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N/A
0%
FP32 0.52 TFLOPS
1%
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N/A
0%
FP32 0.48 TFLOPS
1%
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4GB
DDR3-1333
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8GB
DDR3-1600
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8 Tabs
2%
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24 Tabs
5%
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256GB
2.5"
SATA 2
Up to 190MB/s Read
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128GB
Proprietary Apple 7+17 Pin
SATA 3
Up to 520MB/s Read
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442 min 4K Video
11%
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186 min 4K Video
5%
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8x SuperDrive DL
Slot Loading
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No Optical Drive
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27"
LCD IPS
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21.5"
LCD IPS
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375 Nits
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350 Nits
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60Hz
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60Hz
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2560x1440
3.7 Million Pixels
109 PPI
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1920x1080
2.1 Million Pixels
102 PPI
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LED Backlight
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1,000:1 Contrast
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LED Backlight
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1,000:1 Contrast
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480p
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720p
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Apple Wireless Keyboard
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Apple Wireless Keyboard
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Magic Mouse
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Magic Mouse
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Not Included
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Not Included
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Not Included
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Not Included
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No Biometrics
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No Biometrics
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2
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2
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1
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2
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No Cellular
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No Cellular
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Wi-Fi 4E (802.11n)
2 Stream
Up to 300Mbps
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Wi-Fi 4E (802.11n)
3 Stream
Up to 450Mbps
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Bluetooth 2.1
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Bluetooth 4.0
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No Sensors
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No Sensors
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P55
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Z77
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Data
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4x USB 2.0 (480Mbps)
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Data
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4x USB 3.0 (5Gbps)
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2x Thunderbolt 1 (10Gbps)
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Network
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1x Ethernet (1Gbps)
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Network
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1x Ethernet (1Gbps)
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Video
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1x mini-DisplayPort 1.1
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Audio
2x Audio Jack
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Audio
1x Audio Jack
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Card
1x SDXC Card
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Card
1x SDXC Card
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365W
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185W
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Not Included
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Not Included
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No Battery
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No Battery
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Mac OS X 10.6 Snow Leopard
Windows
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OS X 10.8 Mountain Lion
Windows
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macOS 10.13 High Sierra (Latest)
Windows 7 (Latest)
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macOS 10.15 Catalina (Latest)
Windows 10 (Latest)
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Build Material
Aluminum
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Build Material
Aluminum
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Height
518 mm (20.4 in)
Width
650 mm (25.6 in)
Depth
207 mm (8.1 in)
Volume
69.75 L
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Height
450 mm (17.7 in)
Width
528 mm (20.8 in)
Depth
175 mm (6.9 in)
Volume
41.63 L
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Weight
13.835 kg (30.5 lb)
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Weight
5.67 kg (12.5 lb)
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CPU
Upgradable
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CPU
Upgradable
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GPU
Upgradable
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GPU
Not Upgradable
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Memory
Upgradable
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Memory
Upgradable
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Storage
Upgradable
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Storage
Upgradable
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Wi-Fi
Not Upgradable
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Wi-Fi
Upgradable
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Motherboard
Not Upgradable
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Motherboard
Not Upgradable
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Power Supply
Not Upgradable
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Power Supply
Not Upgradable
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Storage Slots
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1x 2.5" Bay
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Memory Slots
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4x SO-DIMM
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Memory Slots
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2x SO-DIMM
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