Apple iMac 24″ (M1) vs Apple iMac G4 (17-inch, USB 2.0)

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iMac 24″ (M1) compared with iMac G4 (17-inch, USB 2.0)

	AppleiMac 24″ (M1)	AppleiMac G4 (17-inch, USB 2.0)
Overview
Released
Released	May 2021	September 2003
Performance
Processor
Processor	Apple M1	Motorola PowerPC G4 1.25 GHz (iMac USB 2.0)
CPU cores
CPU cores	8	1
Graphics
Graphics	7-core GPU or 8-core GPU	NVIDIA GeForce FX 5200 Ultra (64 MB)
Memory
Memory	8 GB or 16 GB (better)	256 MB, 512 MB or 1 GB
Storage
Storage	256 GB to 2 TB (better)	80 GB to 160 GB
CPU
CPU	8-core CPU with 4 performance cores and 4 efficiency cores	1.25 GHz PowerPC G4 with 167 MHz system bus and 256 KB on-chip L2 cache. Single-core generic maker-clock record avoids inferring a silicon revision.
GPU
GPU	7-core GPU in the two-port model; 8-core GPU in the four-port model	NVIDIA GeForce FX 5200 Ultra with 64 MB dedicated DDR video memory and AGP 4x support.
Memory type
Memory type	–	256 MB PC2700 (333 MHz) DDR SDRAM standard; factory options 512 MB or 1 GB. One 184-pin DIMM and one user-accessible SO-DIMM slot. Configurations retain Apple's supported 1 GB maximum, not unofficial upgrade limits.
AI engine
AI engine	16-core Neural Engine	–
Storage type
Storage type	SSD; two-port model configurable to 512 GB or 1 TB, four-port model to 512 GB, 1 TB or 2 TB	80 GB 7200 rpm Ultra ATA/100 hard drive, configurable to 160 GB; 4x SuperDrive DVD-R/CD-RW. The published memory and storage factory options are retained for the 1.25 GHz processor.
Display
Screen size
Screen size	24″	17″
Resolution
Resolution	4480 × 2520 (better)	1440 × 900
Panel
Panel	IPS LCD	–
Refresh rate
Refresh rate	60 Hz	–
Brightness
Brightness	500 nits (better)	200 nits
Display type
Display type	4.5K Retina display; actual diagonal 23.5 inches; IPS panel and 60 Hz refresh rate confirmed by Notebookcheck	Widescreen TFT active-matrix LCD with millions of colours and typical 300:1 contrast. Panel technology and refresh rate are not published in the exact maker sheet.
Pixel density
Pixel density	218 ppi	–
Display features
Display features	1 billion colours; wide colour (P3); True Tone; anti-reflective coating	Typical viewing angles: 120° horizontal and 90° vertical; articulated display arm adjusts height and angle.
Connections
Ports
Ports	2 × USB4, headphone jack	3 × USB-A, Ethernet, headphone jack
Ethernet
Ethernet	–	0.1 Gb/s
External displays
External displays	Up to 1	–
Wi-Fi
Wi-Fi	Wi-Fi 6	–
Bluetooth
Bluetooth	5.0	–
Camera
Camera	1080p FaceTime HD	–
Back ports
Back ports	Two-port model: two Thunderbolt / USB 4 ports with DisplayPort, Thunderbolt 3 and USB 4 up to 40 Gb/s, and USB 3.1 Gen 2 up to 10 Gb/s; optional Gigabit Ethernet. Four-port model adds two USB 3 ports up to 10 Gb/s and includes Gigabit Ethernet. Both have a 3.5 mm headphone jack.	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 jack, Apple speaker minijack and audio line-in. AirPort Extreme 802.11g card and internal Bluetooth are optional, rather than standard.
External displays
External displays	One external display up to 6K 60 Hz, alongside the built-in display at full resolution	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.
Camera
Camera	1080p FaceTime HD camera; advanced image signal processor with computational video	–
Speakers
Speakers	High-fidelity six-speaker system with force-cancelling woofers; wide stereo sound; spatial audio with Dolby Atmos	Built-in speaker and microphone, Apple Pro Speakers rated at 7 W each and internal 14 W amplifier; the earlier revision's 9 W speakers are not substituted.
Microphones
Microphones	Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming; Hey Siri	–
Keyboard and mouse
Keyboard and mouse	Magic Mouse and Magic Keyboard; keyboard has Touch ID on the four-port model and optionally on the two-port model; Magic Trackpad and Magic Keyboard with Touch ID and Numeric Keypad available instead	Apple Keyboard, Apple Mouse, Apple Pro Speakers and modem cable.
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	4.46 kg (better)	10.4 kg
Width × depth × height
Width × depth × height	547 × 147 × 461 mm	–
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	–	Adjustable maker ranges: height 331–509 mm, width 423–449 mm and depth 270–423 mm; base diameter 270 mm. Reference weight varies by configuration and manufacturing process.
Power supply
Power supply	143 W external power adapter with magnetic connection; Gigabit Ethernet built into the adapter where fitted	90–264 V AC, 47–63 Hz, single phase; maximum continuous power 160 W.
Noise
Noise	7 dBA sound pressure at idle and during Apple's wireless web test (operator position)	–
Materials
Materials	Recyclable, low-carbon aluminium enclosure	–
Colours
Colours	Two-port model: Blue, Green, Pink, Silver. Four-port model also comes in Yellow, Orange and Purple.	–
In the box
In the box	iMac, Magic Keyboard, Magic Mouse, 143 W power adapter, 2 m power lead, USB-C to Lightning cable	Launch Mac OS X 10.2 Jaguar and iLife, with Apple's productivity software and Tony Hawk's Pro Skater 4. The retained specification lists the later Mac OS X 10.3 Panther bundle. Maker launch confirms immediate availability on 8 September 2003.