iMac G3 (Early 2001) vs iMac G4 20" (Late 2003)
iMac G3
(Early 2001)
iMac G4 20"
(Late 2003)
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Base Price
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Base Price
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CPU
PowerPC 750L 400MHz
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CPU
PowerPC 7455 1250MHz
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GPU
Rage 128 Pro
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GPU
GeForce FX 5200 Ultra Mac
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Memory
64MB
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Memory
256MB
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Storage
10GB
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Storage
80GB
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Display
13.8" CRT 1024x768 -
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Display
20" LCD TN 1680x1050 -
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N/A
0%
N/A
0%
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N/A
0%
N/A
0%
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N/A
0%
N/A
0%
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N/A
0%
N/A
0%
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64MB
SDR-100
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256MB
DDR-333
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Unknown # Tabs
0%
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Unknown # Tabs
0%
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10GB
3.5"
PATA
5400RPM
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80GB
3.5"
PATA
7200RPM
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Unknown # min 4K Video
0%
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90 min 4K Video
2%
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24x CD-ROM
Slot Loading
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4x SuperDrive
Tray Loading
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13.8"
CRT
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20"
LCD TN
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150 Nits
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230 Nits
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75Hz
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60Hz
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1024x768
0.8 Million Pixels
93 PPI
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1680x1050
1.8 Million Pixels
99 PPI
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CCFL Backlight
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800:1 Contrast
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No Cameras
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No Cameras
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Apple Pro Keyboard
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Apple Keyboard
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Apple Pro Mouse
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Apple 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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1
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No Cellular
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No Cellular
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No Wi-Fi
Wi-Fi 1 (802.11b)
1 Stream
Up to 11Mbps
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No Wi-Fi
Wi-Fi 3 (802.11g)
1 Stream
Up to 54Mbps
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No Bluetooth
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Bluetooth 1.1
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56K Modem
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56K Modem
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No Sensors
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No Sensors
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Integrated Chipset
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Integrated Chipset
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Data
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2x USB 1.0 (12Mbps)
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2x FireWire 400
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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 (100Mbps)
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Network
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1x Ethernet (100Mbps)
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Video
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1x VGA
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Video
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1x mini-VGA
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Audio
4x Audio Jack
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Audio
2x Audio Jack
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150W
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190W
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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 9.1 Fortissimo
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Mac OS X 10.3 Panther
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Mac OS X 10.4 Tiger (Latest)
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Mac OS X 10.5 Leopard (Latest)
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Build Material
Plastic
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Build Material
Plastic
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Height
381 mm (15 in)
Width
381 mm (15 in)
Depth
434 mm (17.1 in)
Volume
63.05 L
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Height
531 mm (20.9 in)
Width
513 mm (20.2 in)
Depth
270 mm (10.6 in)
Volume
73.54 L
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Weight
15.74 kg (34.7 lb)
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Weight
18.189 kg (40.1 lb)
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CPU
Not Upgradable
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CPU
Not Upgradable
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GPU
Not 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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1x SO-DIMM
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