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Apple Macintosh Centris 660AV vs Apple Macintosh LC III

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

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AppleMacintosh Centris 660AVAppleMacintosh LC III
Overview
Released19931993
Performance
ProcessorMotorola 68040 25 MHz (Macintosh Centris 660AV)68030 25 MHz (Macintosh LC III)
CPU cores11
Memory4 MB4 MB
Storage81.92 MB80 MB to 160 MB
CPU25 MHz Motorola 68040 with integrated floating-point unit, 8 KB L1 cache and 32-bit data path; separate 55 MHz AT&T 3210 digital signal processor25 MHz Motorola 68030 with integrated memory-management unit, 32-bit data path and 0.5 KB L1 cache; optional 68882 floating-point coprocessor
GPUBuilt-in 1 MB VRAM supports 832 × 624 at 16-bit colour or 1152 × 870 at 8-bit colourBuilt-in video with 512 KB VRAM supports 8-bit colour at 640 × 480 and 832 × 624; upgrading to 768 KB raises both to 16-bit colour
Memory type4 MB soldered memory and two 72-pin SIMM slots; Apple lists 4–68 MB total with 70 ns memory4 MB on the logic board and one 72-pin SIMM slot; Apple supports 4–36 MB total with 80 ns memory
Storage typeApple developer note lists an 80 MB internal SCSI hard drive in its base configuration; support lists an 80–500 MB range. A 1.44 MB floppy drive is built in; a 2× CD-ROM was an option.Internal 1.44 MB floppy drive and 80 or 160 MB internal SCSI hard drive
Expansion slotsOne short NuBus card using an optional angle adapter, or a processor-direct cardOne LC III processor-direct slot
Display
ScreenNone built inNone built in
Connections
PortsEthernet–
Back portsDB-15 monitor output, Apple Desktop Bus, external DB-25 SCSI, two serial connections including GeoPort, AAUI Ethernet, composite and S-video input and output, sound input and outputApple Desktop Bus, DB-15 video, DB-25 SCSI, printer and modem serial ports, microphone input and speaker output; no built-in Ethernet
External displaysBuilt-in video supports one external monitor at up to 1152 × 870 pixels in 8-bit colourBuilt-in video supports up to 832 × 624 pixels; colour depth depends on fitted VRAM
Speakers–Internal speaker
Design and power
TypeCompactCompact
Weight–3.99 kg
Width × depth × height–310 × 389 × 74 mm
Operating systemmacOSmacOS
Size and weight detailApple lists 3.4 × 16.3 × 15.6 inches and 14 lbApple's 2.9 × 12.2 × 15.3 inch and 8.8 lb reference dimensions; metric fields are rounded conversions
Power supplyMaximum 86 W; 100–240 V AC at 50–60 Hz; 3.6 V lithium clock batteryMaximum 50 W; 100–240 V AC, 47–63 Hz; 3.6 V lithium clock battery
In the boxOriginal System Software 7.1. Apple lists 29 July 1993 as introduction; a separate first-sale date was not established. Apple's developer note gives a 4 MB/80 MB base configuration, while later catalogue sources mention larger bundled options.Original System Software 7.1. Apple lists 10 February 1993 as introduction; a separate maker first-sale date was not established.

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