iMac 21.5 (Mid 2017) vs iMac G3 (Late 1999)

iMac 21.5 (Mid 2017) $1,099
iMac G3 (Late 1999) $999
Base Price (MSRP)
$1,099
Base Price (MSRP)
$999
CPU
Core i5-7360U
CPU
PowerPC 750L 350MHz
GPU
Iris Plus 640 1000MHz
GPU
Rage 128 VR
Memory
8GB
Memory
64MB
Storage
128GB
Storage
6GB
Display
21.5" LCD IPS 1920×1080
Display
13.8" CRT 1024×768
CPU Image
Core i5-7360U
2 Cores
4 Threads
2.3GHz Clock
CPU Image
PowerPC 750L 350MHz
1 Core
1 Thread
350MHz Clock
Core i5-7360U vs PowerPC 750L 350MHz Full Specs Comparison
GPU Image
Iris Plus 640 1000MHz
384 Shaders
1000MHz
Shared Memory
GPU Image
Rage 128 VR
2 Shaders
80MHz
8MB SDR
1GB/s Bandwidth
10 FPS 1080p
8%
768 GFLOPS FP32
2%
N/A
0%
N/A
0%
Iris Plus 640 1000MHz vs Rage 128 VR Full Specs Comparison
8GB
DDR4-2133
64MB
SDR-100
24 Tabs
5%
Unknown # Tabs
0%
128GB
Proprietary Apple 12+16 Pin
PCIe 3.0 x4
Up to 1.4GB/s
6GB
3.5"
PATA
-
186 min 4K Video
5%
Unknown # min 4K Video
0%
No Optical Drive
24x CD-ROM
Slot Loading
-
-
21.5"
LCD IPS
-
-
13.8"
CRT
-
-
Area
197.5 in² (1274.3 cm²)
16:9 Aspect Ratio
Area
91.4 in² (589.7 cm²)
4:3 Aspect Ratio
Brightness
350 Nits
-
Brightness
150 Nits
-
Refresh Rate
60Hz
-
-
-
Refresh Rate
75Hz
-
-
-
-
-
-
-
-
-
-
-
Resolution
1920×1080
2.1 Million Pixels
102 PPI
Resolution
1024×768
0.8 Million Pixels
93 PPI
LED Backlight
-
1,000:1 Contrast
-
-
-
Viewing Angles
178° Horizontal
178° Vertical
-
-
-
Colour Depth
8-bit
Colour Depth
8-bit
Coverage
100% sRGB
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Coating
Glossy Anti-Reflective
Fully Laminated
-
-
-
-
-
-
-
720p
-
-
-
-
-
-
-
No Cameras
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Magic Keyboard
Apple USB Keyboard
Magic Mouse 2
Apple USB 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)
2 Stream
Up to 867Mbps
No Wi-Fi
Bluetooth 4.2
No Bluetooth
56K Modem
No Sensors
-
-
-
-
No Sensors
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
200 Series U+
Integrated Chipset
Data
-
-
-
-
-
-
-
-
-
-
-
-
4x USB 3.0 (5Gbps)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x Thunderbolt 3 (40Gbps)
-
-
Data
-
-
-
-
-
-
-
-
-
-
2x USB 1.0 (12Mbps)
-
-
-
-
-
-
-
-
-
-
-
-
2x FireWire 400
-
-
-
-
-
-
-
-
-
Network
-
-
1x Ethernet (1Gbps)
-
-
-
Network
-
1x Ethernet (100Mbps)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Video
-
1x VGA
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Audio
1x Audio Jack
-
Audio
4x Audio Jack
-
Card
1x SDXC Card UHS-II
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
185W
150W
Not Included
-
-
Not Included
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Battery
-
-
-
-
No Battery
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
macOS 10.12 Sierra
Windows
Mac OS 8.6 Veronica
Windows 10 (Latest)
Mac OS X 10.3 Panther (Latest)
Build Material
Aluminum
-
-
Build Material
Plastic
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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)
-
-
-
-
Weight
15.74 kg (34.7 lb)
-
-
-
-
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x 2.5" Bay
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Slots
-
2x SO-DIMM
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
A1418
EMC 3068
iMac18,1
M5521
EMC 1821
PowerMac2,1
Change Comparison