Apple iMac 24″ (M4) vs Apple iMac G4 (17-inch, USB 2.0)

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iMac 24″ (M4) compared with iMac G4 (17-inch, USB 2.0)

	AppleiMac 24″ (M4)	AppleiMac G4 (17-inch, USB 2.0)
Overview
Released
Released	November 2024	September 2003
Performance
Processor
Processor	Apple M4	Motorola PowerPC G4 1.25 GHz (iMac USB 2.0)
CPU cores
CPU cores	8 or 10	1
Graphics
Graphics	8-core GPU or 10-core GPU	NVIDIA GeForce FX 5200 Ultra (64 MB)
AI engine (NPU)
AI engine (NPU)	38 TOPS	–
Memory
Memory	16 GB, 24 GB or 32 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 (two-port model), or 10-core CPU with 4 performance cores and 6 efficiency cores (four-port models)	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	Hardware-accelerated ray tracing	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	–
Memory bandwidth
Memory bandwidth	120GB/s	–
Storage type
Storage type	SSD	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.
Media engine
Media engine	Hardware-accelerated H.264, HEVC, ProRes and ProRes RAW; video decode engine; video encode engine; ProRes encode and decode engine; AV1 decode	–
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	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; nano-texture glass option on four-port models	Typical viewing angles: 120° horizontal and 90° vertical; articulated display arm adjusts height and angle.
Connections
Ports
Ports	2 × Thunderbolt 4, 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 6E	–
Bluetooth
Bluetooth	5.3	–
Camera
Camera	12MP Center Stage	–
Back ports
Back ports	2 × Thunderbolt / USB 4 (two-port model) or 4 × Thunderbolt 4 (four-port models), each with Thunderbolt 4 and USB 4 (up to 40Gb/s), USB 3.1 Gen 2 (up to 10Gb/s) and DisplayPort; Gigabit Ethernet on the power adapter, standard on four-port models and optional on the two-port model	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	Two-port model: one at up to 6K 60Hz; four-port models: two at up to 6K 60Hz, or one at up to 8K 60Hz	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	12MP Center Stage camera with Desk View; 1080p HD video recording; 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	–
Keyboard and mouse
Keyboard and mouse	Magic Keyboard (two-port model) or Magic Keyboard with Touch ID (four-port models), and Magic Mouse; Magic Trackpad or 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	4.42 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	143W external power adapter; power lead (2 m)	90–264 V AC, 47–63 Hz, single phase; maximum continuous power 160 W.
Materials
Materials	100% recycled aluminium in the stand; more than 15% recycled content overall	–
Colours
Colours	Blue, Purple, Pink, Orange, Yellow, Green, Silver	–
In the box
In the box	iMac, Magic Keyboard (with Touch ID on four-port models), Magic Mouse, 143W power adapter, power lead (2 m), USB-C Charge Cable, polishing cloth (nano-texture glass only)	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.