Apple Macintosh IIsi vs Apple Macintosh Performa 6300CD

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Macintosh IIsi compared with Macintosh Performa 6300CD

	AppleMacintosh IIsi	AppleMacintosh Performa 6300CD
Overview
Released
Released	October 1990	1995
Performance
Processor
Processor	68030 20 MHz (Macintosh IIsi)	PowerPC 603e 100 MHz (Macintosh Performa 6300CD)
CPU cores
CPU cores	1	1
Memory
Memory	1 MB	16 MB (better)
Storage
Storage	–	1.2 GB
CPU
CPU	20 MHz Motorola 68030 with integrated memory management and 0.5 KB L1 cache; 68882 floating-point coprocessor optional through an expansion adapter	100 MHz PowerPC 603e with integrated floating-point unit, 32 KB L1 cache, 256 KB L2 cache and 64-bit data path at 40 MHz
GPU
GPU	Built-in 8-bit colour video supports 512 × 384 and 640 × 480 using 64–320 KB of system RAM	Integrated 1 MB DRAM video supports 640 × 480 at 16-bit colour or 832 × 624 at 8-bit colour through the DB-15 monitor port
Memory type
Memory type	1 MB soldered to the logic board plus four 30-pin SIMM slots in one matched bank; 100 ns memory and 1–17 MB total supported by Apple; 512 KB ROM	Two 72-pin SIMM slots; 16 MB minimum and 64 MB maximum with 80 ns memory
Storage type
Storage type	Internal 1.44 MB floppy drive with SCSI hard-drive options of 40 or 80 MB; Apple does not document the paired RAM and drive configurations on its support sheet	1.2 GB internal IDE hard drive, 1.44 MB floppy drive and 4× CD-ROM drive
Expansion slots
Expansion slots	One processor-direct slot can be used directly or with an optional NuBus adapter; no built-in NuBus slot or L2 cache	Macintosh LC processor-direct slot, communications slot, TV-tuner bay and video input/output slot
Display
Screen
Screen	None built in	None built in
Connections
Ports
Ports	Headphone jack	Headphone jack
Back ports
Back ports	One Apple Desktop Bus port, DB-15 video, DB-19 external floppy, DB-25 SCSI, printer and modem serial ports, sound output and microphone input; no built-in Ethernet	DB-15 monitor output, Apple Desktop Bus, external DB-25 SCSI, two serial connectors, microphone input and stereo sound output
External displays
External displays	Built-in video supports an Apple colour display at 640 × 480 with 8-bit colour; a compatible expansion graphics card can extend display options	–
Speakers
Speakers	Internal speaker, stereo 8-bit sound output and mono audio input	–
Design and power
Type
Type	Compact	Compact
Weight
Weight	4.5 kg	–
Width × depth × height
Width × depth × height	315 × 378 × 102 mm	–
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Apple's 4 × 12.4 × 14.9 inch and 10 lb reference dimensions; metric fields are rounded conversions	Apple lists 4.3 × 12.6 × 16.5 inches and 19 lb for the Quadra 630 form factor
Power supply
Power supply	Maximum 160 W; 100–240 V AC, 50–60 Hz; 3.6 V lithium clock battery and keyboard soft power	Maximum 55 W; 110–240 V AC at 50–60 Hz; 4.5 V alkaline clock battery
In the box
In the box	Original System Software 6.0.7. Apple lists 15 October 1990 as the introduction date; no separate first-sale day was found	Original System Software 7.5.1. Apple lists 16 October 1995 as introduction; a separate first-sale date was not established.