iMac 27 (Late 2009) vs iMac 20 (Early 2006)

iMac 27 (Late 2009) $1,699
iMac 20 (Early 2006) $1,699
Base Price (MSRP)
$1,699
Base Price (MSRP)
$1,699
CPU
Core 2 Duo E7600
CPU
Core Duo T2500
GPU
Radeon HD 4670 Mac
GPU
Mobility Radeon X1600 Mac
Memory
4GB
Memory
512MB
Storage
1TB
Storage
250GB
Display
27" LCD IPS 2560x1440 -
Display
20" LCD TN 1680x1050 -
Core 2 Duo E7600
2 Cores
2 Threads
3.06GHz Clock
Core Duo T2500
2 Cores
2 Threads
2GHz Clock
GB6S 370
9%
GB6M 620
2%
N/A
0%
N/A
0%
Radeon HD 4670 Mac
320 Shaders
680MHz
512MB GDDR3
25.3GB/s Bandwidth
Mobility Radeon X1600 Mac
12 Shaders
398MHz
128MB GDDR3
12.7GB/s Bandwidth
N/A
0%
FP32 0.44 TFLOPS
1%
N/A
0%
N/A
0%
4GB
DDR3-1066
512MB
DDR2-667
8 Tabs
2%
Unknown # Tabs
0%
1TB
3.5"
SATA 2
7200RPM
250GB
3.5"
SATA 1
7200RPM
1,930 min 4K Video
48%
430 min 4K Video
11%
8x SuperDrive DL
Slot Loading
8x SuperDrive DL
Slot Loading
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27"
LCD IPS
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20"
LCD TN
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375 Nits
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280 Nits
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60Hz
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60Hz
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2560x1440
3.7 Million Pixels
109 PPI
1680x1050
1.8 Million Pixels
99 PPI
LED Backlight
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1,000:1 Contrast
CCFL Backlight
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800:1 Contrast
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480p
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480p
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Apple Wireless Keyboard
Apple Keyboard
Magic Mouse
Mighty Mouse
Not Included
Apple Remote
Not Included
Not Included
No Biometrics
No Biometrics
2
2
1
1
No Cellular
No Cellular
Wi-Fi 4E (802.11n)
2 Stream
Up to 300Mbps
Wi-Fi 3 (802.11g)
1 Stream
Up to 54Mbps
Bluetooth 2.1
Bluetooth 2.0
Infrared
No Sensors
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No Sensors
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X48
ICH9
945PM
ICH7M
Data
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4x USB 2.0 (480Mbps)
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Data
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3x USB 2.0 (480Mbps)
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2x FireWire 400
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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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Video
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1x mini-DVI
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Audio
2x Audio Jack
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Audio
2x Audio Jack
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Card
1x SDHC Card
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365W
180W
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
Mac OS X 10.4 Tiger
Windows
macOS 10.13 High Sierra (Latest)
Windows 7 (Latest)
Mac OS X 10.6 Snow Leopard (Latest)
Windows 7 (Latest)
Build Material
Aluminum
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Build Material
Plastic
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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
Height
472 mm (18.6 in)
Width
493 mm (19.4 in)
Depth
188 mm (7.4 in)
Volume
43.76 L
Weight
13.835 kg (30.5 lb)
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Weight
9.979 kg (22 lb)
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CPU
Upgradable
CPU
Upgradable
GPU
Upgradable
GPU
Upgradable
Memory
Upgradable
Memory
Upgradable
Storage
Upgradable
Storage
Upgradable
Wi-Fi
Not Upgradable
Wi-Fi
Upgradable
Motherboard
Not Upgradable
Motherboard
Not Upgradable
Power Supply
Not Upgradable
Power Supply
Not Upgradable
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Memory Slots
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4x SO-DIMM
Memory Slots
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2x SO-DIMM
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A1312
EMC 2309
iMac11,1
A1174
EMC 2105
iMac4,1
Change Comparison