iMac 20" (Early 2008) vs iMac 20" (Early 2009)
iMac 20"
(Early 2008)
iMac 20"
(Early 2009)
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Base Price
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Base Price
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CPU
Core 2 Duo E8135
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CPU
Core 2 Duo E8135
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GPU
Radeon HD 2400 XT Mac MXM
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GPU
GeForce 9400M
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Memory
1GB
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Memory
2GB
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Storage
250GB
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Storage
320GB
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Display
20" LCD TN 1680x1050 -
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Display
20" LCD TN 1680x1050 -
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GB6S 335
9%
GB6M 575
2%
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GB6S 335
9%
GB6M 575
2%
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N/A
0%
FP32 0.05 TFLOPS
0%
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N/A
0%
FP32 0.04 TFLOPS
0%
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1GB
DDR2-800
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2GB
DDR3-1066
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Unknown # Tabs
0%
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Unknown # Tabs
0%
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250GB
3.5"
SATA 2
7200RPM
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320GB
3.5"
SATA 2
7200RPM
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430 min 4K Video
11%
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570 min 4K Video
14%
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8x SuperDrive DL
Slot Loading
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8x SuperDrive DL
Slot Loading
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20"
LCD TN
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20"
LCD TN
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290 Nits
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290 Nits
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60Hz
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60Hz
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1680x1050
1.8 Million Pixels
99 PPI
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1680x1050
1.8 Million Pixels
99 PPI
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CCFL Backlight
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1,000:1 Contrast
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CCFL Backlight
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1,000:1 Contrast
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480p
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480p
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Apple Keyboard with Numeric Keypad
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Apple Keyboard Al
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Mighty Mouse
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Mighty Mouse
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Apple Remote
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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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1
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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)
2 Stream
Up to 300Mbps
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Bluetooth 2.1
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Bluetooth 2.1
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Infrared
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No Sensors
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No Sensors
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PM965
ICH8M
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GeForce 9400M
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Data
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3x USB 2.0 (480Mbps)
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1x FireWire 400
1x FireWire 800
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Data
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4x USB 2.0 (480Mbps)
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1x FireWire 800
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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-DVI
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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
2x Audio Jack
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200W
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200W
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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 10.5 Leopard
Windows
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Mac OS X 10.5 Leopard
Windows
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OS X 10.11 El Capitan (Latest)
Windows 7 (Latest)
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OS X 10.11 El Capitan (Latest)
Windows 7 (Latest)
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Build Material
Aluminum
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Build Material
Aluminum
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Height
470 mm (18.5 in)
Width
485 mm (19.1 in)
Depth
188 mm (7.4 in)
Volume
42.85 L
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Height
470 mm (18.5 in)
Width
485 mm (19.1 in)
Depth
188 mm (7.4 in)
Volume
42.85 L
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Weight
9.072 kg (20 lb)
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Weight
9.072 kg (20 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
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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Memory Slots
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2x SO-DIMM
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Memory Slots
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2x SO-DIMM
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