iMac 21.5 (Retina 4K, Late 2015) vs iMac G3 (Mid 2000)

iMac 21.5 (Retina 4K, Late 2015) $1,499
iMac G3 (Mid 2000) $799
Base Price (MSRP)
$1,499
Base Price (MSRP)
$799
CPU
Core i5-5675R
CPU
PowerPC 750L 350MHz
GPU
Iris Pro 6200 1100MHz
GPU
Rage 128 Pro
Memory
8GB
Memory
64MB
Storage
128GB
Storage
7GB
Display
21.5" LCD IPS 4096x2304 -
Display
13.8" CRT 1024x768 -
Core i5-5675R
4 Cores
4 Threads
3.1GHz Clock
PowerPC 750L 350MHz
1 Core
1 Thread
0.35GHz Clock
GB6S 1,235
30%
GB6M 3,745
14%
N/A
0%
N/A
0%
Iris Pro 6200 1100MHz
384 Shaders
1100MHz
Shared Memory
Rage 128 Pro
2 Shaders
125MHz
33MB SGRAM
2.3GB/s Bandwidth
N/A
0%
FP32 0.85 TFLOPS
2%
N/A
0%
N/A
0%
8GB
DDR3-1866
64MB
SDR-100
24 Tabs
5%
Unknown # Tabs
0%
128GB
Proprietary Apple 12+16 Pin
PCIe 3.0 x4
Up to 1.3GB/s Read
7GB
3.5"
PATA
5400RPM
186 min 4K Video
5%
Unknown # min 4K Video
0%
No Optical Drive
24x CD-ROM
Slot Loading
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21.5"
LCD IPS
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13.8"
CRT
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400 Nits
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150 Nits
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60Hz
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75Hz
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4096x2304
9.4 Million Pixels
219 PPI
1024x768
0.8 Million Pixels
93 PPI
LED Backlight
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1,100:1 Contrast
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720p
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No Cameras
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Magic Keyboard
Apple Pro Keyboard
Magic Mouse 2
Apple Pro Mouse
Not Included
Not Included
Not Included
Not Included
No Biometrics
No Biometrics
2
2
2
1
No Cellular
No Cellular
Wi-Fi 5 (802.11ac)
3 Stream
Up to 1300Mbps
No Wi-Fi
Bluetooth 4.0
No Bluetooth
56K Modem
No Sensors
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No Sensors
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Z87
Integrated Chipset
Data
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4x USB 3.0 (5Gbps)
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2x Thunderbolt 2 (20Gbps)
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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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Network
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1x Ethernet (1Gbps)
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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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Audio
1x Audio Jack
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Audio
4x Audio Jack
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Card
1x SDXC Card
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185W
150W
Not Included
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No Battery
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No Battery
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OS X 10.11 El Capitan
Windows
Mac OS 9 Sonata
macOS 12 Monterey (Latest)
Windows 10 (Latest)
Mac OS X 10.3 Panther (Latest)
Build Material
Aluminum
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Build Material
Plastic
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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
Height
381 mm (15 in)
Width
381 mm (15 in)
Depth
434 mm (17.1 in)
Volume
63.05 L
Weight
5.67 kg (12.5 lb)
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Weight
15.74 kg (34.7 lb)
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CPU
Upgradable
CPU
Not Upgradable
GPU
Not 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
Storage Slots
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1x 2.5" Bay
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Memory Slots
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2x SO-DIMM
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A1418
EMC 2833
iMac16,2
M5521
EMC 1857
PowerMac2,2
Change Comparison