Request a product

Apple Macintosh Centris 660AV vs Apple Macintosh Quadra 650

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

Better figure, where one is clearly better

AppleMacintosh Centris 660AVAppleMacintosh Quadra 650
Overview
Released19931993
Performance
ProcessorMotorola 68040 25 MHz (Macintosh Centris 660AV)68040 33 MHz (Macintosh Quadra 650)
CPU cores11
Memory4 MB4 MB
Storage81.92 MB230 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 processor33 MHz Motorola 68040 with integrated memory management and floating-point unit, 8 KB L1 cache and 32-bit data path
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; 1 MB VRAM 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 or 8 MB on the logic board plus four 72-pin SIMM slots; Apple supports 132 or 136 MB total respectively
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, SCSI hard drive in Apple's 230–500 MB range and optional 2× CD-ROM drive
Expansion slotsOne short NuBus card using an optional angle adapter, or a processor-direct cardThree NuBus slots and one processor-direct slot
Display
ScreenNone built inNone built in
Connections
PortsEthernetEthernet
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 outputTwo Apple Desktop Bus ports, DB-15 video, DB-25 SCSI, printer and modem serial ports, AAUI-15 Ethernet, microphone input and speaker output
External displaysBuilt-in video supports one external monitor at up to 1152 × 870 pixels in 8-bit colourBuilt-in video supports up to 1152 × 870 pixels; colour depth depends on VRAM
Design and power
TypeCompactCompact
Weight–11.34 kg
Width × depth × height–330 × 419 × 152 mm
Operating systemmacOSmacOS
Size and weight detailApple lists 3.4 × 16.3 × 15.6 inches and 14 lbApple's 6 × 13 × 16.5 inch and 25 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 230 W; 100–240 V AC, 50–60 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 with System Enabler 040. Apple lists 21 October 1993 as introduction; a separate first-sale month was not established.

More comparisons