Apple iMac (21.5-inch, 2017) vs Apple iMac G5 (20-inch, 2004)

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iMac (21.5-inch, 2017) compared with iMac G5 (20-inch, 2004)

	AppleiMac (21.5-inch, 2017)	AppleiMac G5 (20-inch, 2004)
Overview
Released
Released	June 2017	September 2004
Performance
Processor
Processor	Intel Core i5-7360U	IBM PowerPC G5 1.8 GHz (iMac 2004)
CPU cores
CPU cores	2	1
CPU threads
CPU threads	4	–
Graphics
Graphics	Intel Iris Plus Graphics 640	NVIDIA GeForce FX 5200 Ultra (64 MB)
Memory
Memory	8 GB or 16 GB (better)	256 MB or 2 GB
Storage
Storage	256 GB to 1 TB (better)	160 GB to 250 GB
CPU
CPU	2.3 GHz dual-core Intel Core i5 with Turbo Boost up to 3.6 GHz; Geekbench identifies the exact processor as Core i5-7360U	1.8 GHz PowerPC G5 with 600 MHz frontside bus and 512 KB on-chip L2 cache. Generic maker-clock chip record retains the single-core identity; uncertain silicon revision is not inferred.
GPU
GPU	Intel Iris Plus Graphics 640; no discrete graphics option	NVIDIA GeForce FX 5200 Ultra with 64 MB dedicated DDR video memory and AGP 8x support.
Memory type
Memory type	8 GB of 2133 MHz DDR4, configurable to 16 GB	256 MB PC3200 (400 MHz) DDR SDRAM standard, expandable to 2 GB in two slots. Configurations conservatively list the published base and maker maximum.
Storage type
Storage type	1 TB 5400-rpm hard drive, configurable to 1 TB Fusion Drive or 256 GB SSD	160 GB 7200 rpm Serial ATA hard drive, with a 250 GB build-to-order option confirmed by maker launch press. Slot-loading SuperDrive DVD-R/CD-RW writes DVD-R at 4x and reads DVDs at 8x; writes CD-R at 16x and CD-RW at 8x.
Display
Screen size
Screen size	21.5″	20″
Resolution
Resolution	1920 × 1080 (better)	1680 × 1050
Brightness
Brightness	–	230 nits
Display type
Display type	21.5-inch LED-backlit display; 1920 × 1080 with support for millions of colours. Apple does not identify the panel technology, native refresh rate or brightness in its specification sheet; Retina model display figures do not apply.	Widescreen TFT active-matrix LCD with millions of colours and typical 350:1 contrast. Panel technology and refresh rate are not published in the exact maker sheet.
Display features
Display features	–	Typical viewing angles: 170° horizontal and vertical.
Connections
Ports
Ports	2 × Thunderbolt 3, 4 × USB-A, SD card slot, Ethernet, headphone jack	3 × USB-A, Ethernet, headphone jack
Ethernet
Ethernet	1 Gb/s (better)	0.1 Gb/s
External displays
External displays	Up to 2	–
Wi-Fi
Wi-Fi	802.11ac	–
Bluetooth
Bluetooth	4.2	–
Camera
Camera	FaceTime HD	–
Back ports
Back ports	Four USB-A ports, two Thunderbolt 3 (USB-C) ports, SDXC card slot, Gigabit Ethernet, 3.5 mm headphone jack and Kensington lock slot. Thunderbolt 3 supports DisplayPort, up to 40 Gb/s Thunderbolt and up to 10 Gb/s USB 3.1 Gen 2; Thunderbolt 2, HDMI, DVI and VGA require adapters.	Three USB 2.0 ports on the computer, up to 480 Mbps, plus two USB 1.1 ports on the keyboard; two FireWire 400 ports with 8 W shared power, Mini-VGA, 10/100BASE-T Ethernet, 56K V.92 modem, headphone/optical digital audio output and audio line-in. AirPort Extreme 802.11g card and internal Bluetooth module are optional, rather than standard.
External displays
External displays	Built-in display at native resolution alongside one 5120 × 2880 display at 60 Hz with one billion colours, two 3840 × 2160 displays at 60 Hz with one billion colours, or two 4096 × 2304 displays at 60 Hz with millions of colours	Mini-VGA provides video mirroring on a VGA display or S-video/composite television through optional adapters. Output resolutions: 640 × 480 at 60 Hz, 800 × 600 at 75 Hz or 1024 × 768 at 75 Hz.
Speakers
Speakers	Stereo speakers; supports Apple iPhone headset with microphone	Built-in stereo speakers, internal 12 W digital amplifier and built-in microphone.
Microphones
Microphones	Built-in microphone	–
Keyboard and mouse
Keyboard and mouse	Magic Keyboard, Magic Mouse, Lightning to USB cable and polishing cloth; configurable with Magic Keyboard with Numeric Keypad or Magic Trackpad	Apple Keyboard, Apple Mouse and modem cable.
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	5.44 kg (better)	11.4 kg
Width × depth × height
Width × depth × height	528 × 175 × 450 mm	493 × 189 × 472 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Dimensions include the stand; weight varies by configuration and manufacturing process. A built-in VESA mount version was available.	Published metric size and reference weight; weight varies by configuration and manufacturing process.
Power supply
Power supply	100–240 V AC, 50–60 Hz, single phase	100–120 V AC or 100–240 V AC depending on country of purchase, 47–63 Hz, single phase; maximum continuous power 180 W.
Noise
Noise	Apple reports operator-position sound pressure of 11 dB at idle and during wireless web, and 12 dB during hard-drive seek, tested on the Core i5 with 8 GB memory and 1 TB hard drive	–
Materials
Materials	Aluminium enclosure; arsenic-free display glass; mercury-, BFR- and beryllium-free with regional exceptions for PVC-free power leads	–
In the box
In the box	iMac, Magic Keyboard, Magic Mouse, Lightning to USB cable, polishing cloth and power lead. Apple's current support page describes the later macOS Big Sur release.	Launch Mac OS X 10.3 Panther, iLife ’04 and bundled productivity software, with Classic environment support. The retained specification lists the later iLife ’05 bundle. Apple announced the model on 31 August 2004 and stated worldwide shipping would begin in mid-September; the release field therefore retains September month precision.