Apple Macintosh Centris 650 vs Apple Macintosh LC III
Better figure, where one is clearly better
| AppleMacintosh Centris 650 | AppleMacintosh LC III | |
|---|---|---|
| Overview | ||
| Released | 1993 | 1993 |
| Performance | ||
| Processor | Motorola 68040 25 MHz (Macintosh Centris 650) or Motorola 68LC040 25 MHz (Macintosh Centris 650) | 68030 25 MHz (Macintosh LC III) |
| CPU cores | 1 | 1 |
| Memory | 4 MB | 4 MB |
| Storage | – | 80 MB to 160 MB |
| CPU | 25 MHz Motorola 68040 or 68LC040; the latter has no floating-point unit | 25 MHz Motorola 68030 with integrated memory-management unit, 32-bit data path and 0.5 KB L1 cache; optional 68882 floating-point coprocessor |
| GPU | Built-in video with 512 KB VRAM, expandable to 1 MB; supports an external monitor through a 15-pin video connector | Built-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 type | 4 or 8 MB minimum RAM depending on configuration, with four SIMM slots; up to 136 MB | 4 MB on the logic board and one 72-pin SIMM slot; Apple supports 4–36 MB total with 80 ns memory |
| Storage type | Apple's system fact sheet lists 80–500 MB internal SCSI hard drives and a 1.44 MB floppy drive; an internal CD-ROM drive was optional | Internal 1.44 MB floppy drive and 80 or 160 MB internal SCSI hard drive |
| Expansion slots | Three NuBus slots and one processor-direct slot; a PDS card occupies the position of one NuBus card | One LC III processor-direct slot |
| Display | ||
| Screen | None built in | None built in |
| Design and power | ||
| Type | Compact | Compact |
| Weight | – | 3.99 kg |
| Width × depth × height | 330 × 419 × 152 mm | 310 × 389 × 74 mm |
| Operating system | macOS | macOS |
| Size and weight detail | – | Apple's 2.9 × 12.2 × 15.3 inch and 8.8 lb reference dimensions; metric fields are rounded conversions |
| Power supply | – | Maximum 50 W; 100–240 V AC, 47–63 Hz; 3.6 V lithium clock battery |
| In the box | Apple's original developer note documents the 68040 and 68LC040 configurations. Current Apple support article 112207 describes a later PowerPC upgrade-card configuration and is excluded. | Original System Software 7.1. Apple lists 10 February 1993 as introduction; a separate maker first-sale date was not established. |
| Connections | ||
| Back ports | Two Apple Desktop Bus ports, two serial ports, external SCSI, video, audio input and output; Apple AUI Ethernet was optional | Apple Desktop Bus, DB-15 video, DB-25 SCSI, printer and modem serial ports, microphone input and speaker output; no built-in Ethernet |
| External displays | – | Built-in video supports up to 832 × 624 pixels; colour depth depends on fitted VRAM |
| Speakers | Built-in mono speaker with stereo audio output jack | Internal speaker |
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