Apple Macintosh Classic II vs Apple Macintosh Performa 6300CD

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Macintosh Classic II compared with Macintosh Performa 6300CD

	AppleMacintosh Classic II	AppleMacintosh Performa 6300CD
Overview
Released
Released	1991	1995
Performance
Processor
Processor	68030 16 MHz (Macintosh Classic II)	PowerPC 603e 100 MHz (Macintosh Performa 6300CD)
CPU cores
CPU cores	1	1
Memory
Memory	2 MB or 4 MB	16 MB (better)
Storage
Storage	40 MB to 80 MB	1.2 GB (better)
CPU
CPU	16 MHz 68030 with 16-bit data path, integrated PMMU and 0.5K L1 cache; no supplied FPU, L2 cache or second processor	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	–	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	2 MB onboard, expandable to 10 MB using two paired 30-pin SIMMs, 100 ns minimum; 1, 2 or 4 MB modules. 512K ROM	Two 72-pin SIMM slots; 16 MB minimum and 64 MB maximum with 80 ns memory
Storage type
Storage type	Apple Australia October 1991 brochure offers 2 MB RAM with 40 MB SCSI hard disk or 4 MB with 80 MB; 1.44 MB removable SuperDrive floppy in both. Original capacity units retained	1.2 GB internal IDE hard drive, 1.44 MB floppy drive and 4× CD-ROM drive
Expansion slots
Expansion slots	No general-purpose expansion slot; original brochure describes internal maths-coprocessor connector	Macintosh LC processor-direct slot, communications slot, TV-tuner bay and video input/output slot
Display
Screen size
Screen size	9″	None built in
Resolution
Resolution	512 × 342	–
Panel
Panel	CRT	–
Display type
Display type	Built-in 9-inch monochrome CRT, 512 × 342 pixels; original Australia brochure corroborates explicit support-sheet correction to its generic 512 × 384 table	–
Connections
Ports
Ports	Headphone jack	Headphone jack
Back ports
Back ports	One ADB, DB-19 external floppy, DB-25 SCSI, two serial ports, sound input and sound output; no built-in Ethernet or external video connector	DB-15 monitor output, Apple Desktop Bus, external DB-25 SCSI, two serial connectors, microphone input and stereo sound output
Keyboard and mouse
Keyboard and mouse	Keyboard and built-in monitor included in Apple Australia configurations	–
Design and power
Type
Type	All-in-one	Compact
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Maker 16 lb; 13.2 in height × 9.7 in width × 11.2 in depth, retained in original units	Apple lists 4.3 × 12.6 × 16.5 inches and 19 lb for the Quadra 630 form factor
Power supply
Power supply	Maximum 76 W, 120 V, 47–63 Hz and 0.63 A; 3.6 V lithium clock battery	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 7.0.1. Maker introduction 21 October 1991 is not treated as exact first sale; earliest actual-sale month unresolved in bounded search, released year only. Performa 200 was a later retail packaging name, not a separately added configuration here	Original System Software 7.5.1. Apple lists 16 October 1995 as introduction; a separate first-sale date was not established.