Apple iMac 24″ (M4) vs Apple Macintosh Plus

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iMac 24″ (M4) compared with Macintosh Plus

	AppleiMac 24″ (M4)	AppleMacintosh Plus
Overview
Released
Released	November 2024	January 1986
Performance
Processor
Processor	Apple M4	68000 8 MHz (Macintosh Plus)
CPU cores
CPU cores	8 or 10	1
Graphics
Graphics	8-core GPU or 10-core GPU	–
AI engine (NPU)
AI engine (NPU)	38 TOPS	–
Memory
Memory	16 GB, 24 GB or 32 GB (better)	1 MB
Storage
Storage	256 GB to 2 TB	–
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)	8 MHz 68000 with 16-bit data path; no PMMU, FPU, cache or second processor. BYTE descriptive coverage identifies Motorola and 7.8336 MHz; maker's nominal 8 MHz retained
Memory type
Memory type	–	1 MB standard, expandable to 4 MB using four 30-pin SIMM slots; maker lists 256K or 1 MB modules installed in pairs, minimum speed 150 ns, and excludes two-chip 1 MB SIMMs. 128K ROM
GPU
GPU	Hardware-accelerated ray tracing	–
AI engine
AI engine	16-core Neural Engine	–
Memory bandwidth
Memory bandwidth	120GB/s	–
Storage type
Storage type	SSD	800K removable floppy drive with automatic loading; no internal hard drive or hard-drive interface. External storage connects over SCSI
Expansion slots
Expansion slots	–	None
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″	9″
Resolution
Resolution	4480 × 2520 (better)	512 × 342
Panel
Panel	IPS LCD	CRT
Refresh rate
Refresh rate	60 Hz	–
Brightness
Brightness	500 nits	–
Display type
Display type	4.5K Retina display; actual diagonal 23.5 inches	Built-in one-bit monochrome CRT; 9-inch diagonal confirmed in Apple's original SE/30 owner manual, Macintosh product-line appendix. Maker's explicit 512 × 342 note corrects its generic 512 × 384 table
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	–
Connections
Ports
Ports	2 × Thunderbolt 4, headphone jack	Headphone jack
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	DB-25 SCSI, DB-19 external floppy, printer and modem serial ports, speaker/headphone output; separate keyboard and mouse connections. No Ethernet or external video
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	–
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	–
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	Separate mouse and keyboard; BYTE describes the keyboard's numeric keypad and cursor keys
Design and power
Type
Type	All-in-one	All-in-one
Weight
Weight	4.42 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	–	Maker 16.5 lb; 13.6 in height × 9.6 in width × 10.9 in depth, retained in original units
Power supply
Power supply	143W external power adapter; power lead (2 m)	Maximum 60 W, 105–125 V, 50–60 Hz, 0.5 A; 4.5 V alkaline
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)	Original system software 1.1; maker introduced 16 January 1986, discontinued 15 October 1990. Release month from Macworld's historical timeline; exact first-sale day unverified