Apple Macintosh IIcx vs Apple Macintosh IIvi

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Macintosh IIcx compared with Macintosh IIvi

	AppleMacintosh IIcx	AppleMacintosh IIvi
Overview
Released
Released	1989	–
Performance
Processor
Processor	68030 16 MHz (Macintosh IIcx)	68030 16 MHz (Macintosh Color Classic)
CPU cores
CPU cores	1	1
Memory
Memory	1 MB or 4 MB	4 MB or 5 MB (better)
Storage
Storage	40 MB to 80 MB	40 MB to 160 MB (better)
CPU
CPU	16 MHz Motorola 68030 with integrated memory-management unit and 68882 floating-point coprocessor; 0.5 KB L1 cache	Nominal 16 MHz Motorola MC68030 with integrated paged memory management; Apple developer note gives the actual 15.6672 MHz clock. Optional MC68882 floating-point coprocessor socket; no onboard external RAM cache. The 32 MHz IIvx and Performa 600 are distinct models
GPU
GPU	No built-in video; a compatible NuBus video card is required for a display	512 KB dedicated VRAM standard, expandable to 1 MB with 100 ns VRAM SIMMs. 512 KB supports 16-bit colour at 512 × 384 or 8-bit at 640 × 480; 1 MB supports 16-bit at 640 × 480. The 5/80CD configuration includes 1 MB VRAM
Memory type
Memory type	Eight 30-pin SIMM slots in two banks of four; Apple lists 1–128 MB using 120 ns memory and a 256 KB ROM. The original ROM uses 24-bit addressing without a 32-bit software extension.	4 MB soldered DRAM plus four 30-pin SIMM slots, filled in groups of four; supports up to 68 MB. 1 MB ROM; minimum SIMM speed 80 ns
Storage type
Storage type	Internal 1.44 MB floppy drive and 40 or 80 MB internal SCSI hard-drive configurations	1.44 MB SuperDrive and internal SCSI hard disk. Exact UK brochure offers 4/40, 4/80 and 5/80CD; Apple Europe/Pacific launch table also lists 4/160. The 5/80CD has AppleCD 300i double-speed CD-ROM and 1 MB VRAM. Other configurations have an empty 5.25-inch half-height drive bay
Expansion slots
Expansion slots	Three NuBus slots; Low End Mac describes the smaller case and tool-free internal access	Three internal NuBus slots and a separate accelerator slot. Room for three internal storage devices, including the optional internal CD-ROM; Ethernet requires a card
Display
Screen
Screen	None built in	None built in
Connections
Ports
Ports	Headphone jack	Headphone jack
Back ports
Back ports	Two Apple Desktop Bus ports, DB-19 external floppy, DB-25 SCSI, printer and modem serial ports and sound output; no built-in video or Ethernet	Two ADB, DB-15 video, DB-25 SCSI, two RS-232/RS-422 mini-DIN-8 serial ports, sound input and sound output. No built-in Ethernet, USB or external floppy connector
External displays
External displays	A NuBus video card is required; resolution and colour depth depend on the fitted card	Built-in video supports Macintosh 12-inch monochrome/RGB, AppleColor High-Resolution RGB and Macintosh Color displays. Larger or higher-colour displays need an appropriate NuBus video card; monitor and keyboard sold separately
Speakers
Speakers	Internal speaker and sound output	Mono Macintosh sound input/output and an internal speaker, with stereo compact-disc playback through the sound-output jack. Supplied electret omnidirectional microphone
Keyboard and mouse
Keyboard and mouse	–	Apple Desktop Bus mouse and microphone; separate monitor and keyboard
Design and power
Type
Type	Compact	Compact
Weight
Weight	6.2 kg (better)	11.3 kg
Width × depth × height
Width × depth × height	302 × 366 × 140 mm	330 × 419 × 152 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Apple's 5.5 × 11.9 × 14.4 inch and 13.6 lb reference dimensions; metric fields are rounded conversions	Published UK brochure metric measurements retained: 15.2 cm high, 33.0 cm wide and 41.9 cm deep; 11.3 kg varies with installed internal devices
Power supply
Power supply	Maximum 159 W; 100–240 V AC, 50–60 Hz; 3.6 V lithium clock battery and keyboard soft power	UK Apple brochure gives 100–240 V AC, 50–60 Hz single phase and 112 W maximum excluding monitor. Archived Apple support lists 230 W maximum; shared service manual lists 200 W AC and 112 W DC. Preserve these different ratings rather than treating them as measured consumption. 3.6 V lithium clock backup battery
In the box
In the box	Original System Software 6.0.3. Apple lists 7 March 1989 as introduction; a separate maker first-sale date was not established.	System 7.1 and System Enabler 001, documentation, mouse and microphone; keyboard and monitor sold separately. Apple announced the IIvi on 19 October 1992 for selected countries outside the US. UK ordering brochure is printed September 1992; neither its print date nor introduction establishes first actual retail sale, so released is omitted