iMac 21.5 (Mid 2011) vs iMac G5 20 (Late 2004)

iMac 21.5 (Mid 2011) $1,199
iMac G5 20 (Late 2004) $1,899
Base Price (MSRP)
$1,199
Base Price (MSRP)
$1,899
CPU
Core i5-2400S
CPU
PowerPC 970FX 1.8GHz
GPU
Radeon HD 6750M Mac+ MXM
GPU
GeForce FX 5200 Ultra Mac
Memory
4GB
Memory
256MB
Storage
256GB
Storage
80GB
Display
21.5" LCD IPS 1920x1080 -
Display
20" LCD TN 1680x1050 -
Core i5-2400S
4 Cores
4 Threads
2.5GHz Clock
PowerPC 970FX 1.8GHz
1 Core
1 Thread
1.8GHz Clock
N/A
0%
N/A
0%
Radeon HD 6750M Mac+ MXM
480 Shaders
598MHz
512MB GDDR5
50.8GB/s Bandwidth
GeForce FX 5200 Ultra Mac
4 Shaders
325MHz
128MB DDR
10.4GB/s Bandwidth
N/A
0%
FP32 0.57 TFLOPS
1%
N/A
0%
N/A
0%
4GB
DDR3-1333
256MB
DDR-400
8 Tabs
2%
Unknown # Tabs
0%
256GB
2.5"
SATA 2
Up to 190MB/s Read
80GB
3.5"
SATA 1
7200RPM
442 min 4K Video
11%
90 min 4K Video
2%
8x SuperDrive DL
Slot Loading
4x SuperDrive
Slot Loading
-
-
21.5"
LCD IPS
-
20"
LCD TN
-
300 Nits
-
280 Nits
-
60Hz
-
60Hz
-
1920x1080
2.1 Million Pixels
102 PPI
1680x1050
1.8 Million Pixels
99 PPI
LED Backlight
-
1,000:1 Contrast
CCFL Backlight
-
800:1 Contrast
-
-
-
-
480p
-
-
-
-
-
-
-
No Cameras
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Apple Wireless Keyboard
Apple Keyboard
Magic Mouse
Apple Mouse
Not Included
Not Included
Not Included
Not Included
No Biometrics
No Biometrics
2
2
1
1
No Cellular
No Cellular
Wi-Fi 4E (802.11n)
3 Stream
Up to 450Mbps
No Wi-Fi
Bluetooth 2.1
Bluetooth 1.1
56K Modem
No Sensors
-
-
-
-
No Sensors
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Z68
Integrated Chipset
Data
-
-
-
-
-
-
-
-
-
-
-
4x USB 2.0 (480Mbps)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x Thunderbolt 1 (10Gbps)
-
-
-
-
Data
-
-
-
-
-
-
-
-
-
-
-
3x USB 2.0 (480Mbps)
-
-
-
-
-
-
-
-
-
-
-
2x FireWire 400
-
-
-
-
-
-
-
-
-
Network
-
-
1x Ethernet (1Gbps)
-
-
-
Network
-
1x Ethernet (100Mbps)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Video
-
-
-
-
-
-
-
-
-
-
-
1x mini-VGA
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Audio
2x Audio Jack
-
Audio
2x Audio Jack
-
Card
1x SDXC Card
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
205W
180W
Not Included
-
-
Not Included
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Battery
-
-
-
-
No Battery
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Mac OS X 10.6 Snow Leopard
Windows
Mac OS X 10.3 Panther
macOS 10.13 High Sierra (Latest)
Windows 7 (Latest)
Mac OS X 10.5 Leopard (Latest)
Build Material
Aluminum
-
-
Build Material
Plastic
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Height
451 mm (17.8 in)
Width
528 mm (20.8 in)
Depth
188 mm (7.4 in)
Volume
44.89 L
Height
472 mm (18.6 in)
Width
493 mm (19.4 in)
Depth
188 mm (7.4 in)
Volume
43.76 L
Weight
9.299 kg (20.5 lb)
-
-
-
-
Weight
11.431 kg (25.2 lb)
-
-
-
-
CPU
Upgradable
CPU
Not Upgradable
GPU
Upgradable
GPU
Not Upgradable
Memory
Upgradable
Memory
Upgradable
Storage
Upgradable
Storage
Upgradable
Wi-Fi
Upgradable
Wi-Fi
Upgradable
Motherboard
Not Upgradable
Motherboard
Not Upgradable
Power Supply
Not Upgradable
Power Supply
Not Upgradable
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Slots
-
4x SO-DIMM
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
A1311
EMC 2428
iMac12,1
A1076
EMC 2008
PowerMac8,1
Change Comparison