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Apple Macintosh IIci vs Apple Macintosh LC 580

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

AppleMacintosh IIciAppleMacintosh LC 580
Overview
ReleasedSeptember 19891995
Performance
Processor68030 25 MHz (Macintosh IIci)Motorola 68LC040 33 MHz (Macintosh LC 575)
CPU cores11
Memory1 MB8 MB
Storage40 MB500 MB
CPU25 MHz Motorola 68030 with integrated memory management and 68882 floating-point coprocessor; 0.5 KB L1 cacheOriginal Motorola 68LC040 at 33 MHz, without an integrated floating-point unit. Apple catalogue gives 66/33 MHz internal/bus clock; optional PowerPC upgrade is excluded from this configuration. Shared Service Source describes it as an updated LC 575
GPUBuilt-in video uses 64–320 KB of system RAM and supports 8-bit colour at 512 × 384 or 640 × 480; NuBus graphics cards can also be fittedBuilt-in video uses 1 MB DRAM soldered to the logic board, displaying 32,768 colours at 640 × 480
Memory typeEight 30-pin SIMM slots in two banks of four; 80 ns fast-page memory, 1–128 MB supported by Apple; 512 KB ROM8 MB standard in the maker catalogue: 4 MB soldered plus one 4 MB SIMM, with a second socket free. Two 72-pin 80 ns SIMM sockets, expandable to 52 MB; the single-bank socket accepts only 1, 4 or 16 MB modules. 1 MB ROM in original service specifications
Storage typeInternal 1.44 MB floppy drive and space for one 40 or 80 MB SCSI hard drive; Low End Mac documents an original floppy-only offering and a 40 MB hard-drive configuration500 MB internal IDE hard disk in the catalogue configuration, plus manual-inject Apple SuperDrive floppy. Double-speed tray-loading internal CD-ROM is optional or included in some regional configurations; the separately marketed Performa 580CD has its own software and hardware bundle
Expansion slotsThree NuBus slots plus a cache/processor-direct connector; Apple's later support sheet lists 32 KB L2 cache, while its original developer note calls the cache card optionalOne 114-pin LC processor-direct slot, one communications slot for optional Ethernet or fax modem, one video-input slot for optional capture hardware and an internal connector for optional external video
Display
ScreenNone built in14″
Resolution–640 × 480
Panel–CRT
Refresh rate–66.67 Hz
Display type–Built-in 14-inch diagonal shadow-mask colour CRT, 0.28 mm dot pitch. The exact service manual calls the viewable image 11.5 inches and gives a nominal 240 × 180 mm active raster; these maker descriptions are retained separately
Display features–640 × 480 at 66.67 Hz in the exact timing table (66.7 Hz rounded elsewhere in the same manual); 16-bit colour
Connections
PortsHeadphone jackHeadphone jack
Front ports–Stereo headphone socket; front brightness and contrast controls
Back portsTwo Apple Desktop Bus ports, DB-15 video, DB-19 external floppy, DB-25 SCSI, printer and modem serial ports and stereo sound output; no built-in EthernetOne ADB port; one DB-25 SCSI port supporting six external devices; two RS-232/RS-422 serial ports, with 9-pin mini-DIN modem and 8-pin mini-DIN printer connectors; mono sound input and stereo sound output
External displaysBuilt-in video supports Apple's 12-inch monochrome, 13-inch RGB and 15-inch portrait displays; other displays require a compatible NuBus cardOptional external video connector supports mirroring on compatible 640 × 480 and 800 × 600 monitors, as listed in the shared service manual; no external video socket as standard
SpeakersInternal speaker and stereo 8-bit sound outputTwo integrated speakers; 8-bit stereo playback and mono recording at 11 or 22 kHz. Optional CD-ROM supports audio-CD playback
Microphones–Integrated microphone for monaural sound input
Keyboard and mouse–Supports Apple Desktop Bus keyboards and the ADB Mouse II. Maker photograph shows a keyboard and mouse; regional education bundles vary
Design and power
TypeCompactAll-in-one
Weight6.2 kg18.3 kg
Width × depth × height302 × 366 × 140 mm343 × 419 × 455 mm
Operating systemmacOSmacOS
Size and weight detailApple's 5.5 × 11.9 × 14.4 inch and 13.6 lb reference dimensions; metric fields are rounded conversionsApple catalogue: 455 × 343 × 419 mm (height × width × depth), 18.3 kg, varying with installed devices. Service Source rounds the same 17.9 × 13.5 × 16.5 inch case to 455 × 344 × 420 mm and 18.4 kg; headline follows the catalogue’s published metric values
Power supplyMaximum 159 W; 100–240 V AC, 50–60 Hz; 3.6 V lithium clock battery and keyboard soft powerAutomatically configured 100–240 V AC mains; service supply operating range 90–264 V rms, 50–60 Hz ±3 Hz
Power use–Service Source: 120 W maximum for all line and load conditions. Current support article describes a PowerPC-upgraded configuration and lists 60 W, so that figure is not transferred to the original model
In the boxOriginal System Software 6.0.4. Apple lists 20 September 1989 as introduction; Low End Mac reports September availability without a separate first-sale dayOriginal 68LC040 model is offered in Apple’s April and October 1995 catalogues; the latter identifies US education-only sales and varying worldwide configurations. Current Apple support article describes an installed PowerPC 601 upgrade card. It records introduction on 3 April 1995, while contemporary Macworld says education shipping was planned for that day; exact actual first retail delivery is unconfirmed, so release retains supported year precision

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