Apple Macintosh Classic vs Apple Macintosh Performa 6300CD

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

Only show differences

Better figure, where one is clearly better

Share comparison

Macintosh Classic compared with Macintosh Performa 6300CD

	AppleMacintosh Classic	AppleMacintosh Performa 6300CD
Overview
Released
Released	October 1990	1995
Performance
Processor
Processor	68000 8 MHz (Macintosh Classic)	PowerPC 603e 100 MHz (Macintosh Performa 6300CD)
CPU cores
CPU cores	1	1
Memory
Memory	1 MB or 2 MB	16 MB (better)
Storage
Storage	40 MB	1.2 GB (better)
CPU
CPU	8 MHz 68000 with 16-bit data path; no PMMU, FPU, 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	1 MB onboard, expandable to 4 MB using a memory expansion card and two paired 30-pin SIMMs; current support sheet specifies 120 ns modules and 256K or 1 MB sizes, excluding two-chip 1 MB modules. Older Apple technical library lists 150 ns and 32-pin; current support sheet controls. 512K ROM	Two 72-pin SIMM slots; 16 MB minimum and 64 MB maximum with 80 ns memory
Storage type
Storage type	1.44 MB removable floppy; optional 40 MB internal SCSI hard disk. Original capacity units retained. Apple Australia October 1991 brochure explicitly offers 2 MB floppy-only and 2 MB/40 MB configurations; original 1 MB floppy-only base is identified by contemporary model descriptions	1.2 GB internal IDE hard drive, 1.44 MB floppy drive and 4× CD-ROM drive
Expansion slots
Expansion slots	No processor expansion slot; memory expansion card required beyond 1 MB	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 Apple technical library and Australia brochure corroborate the 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, printer and modem serial ports, and sound output; no built-in Ethernet or external video port	DB-15 monitor output, Apple Desktop Bus, external DB-25 SCSI, two serial connectors, microphone input and stereo sound output
Speakers
Speakers	Four-voice 8-bit sound at 22 kHz; built-in speaker and headphone output described in Apple technical library	–
Keyboard and mouse
Keyboard and mouse	Apple Keyboard II and ADB mouse, according to original Apple technical library	–
Design and power
Type
Type	All-in-one	Compact
Width × depth × height
Width × depth × height	246 × 285 × 336 mm	–
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Apple technical library gives 33.6 cm height × 24.6 cm width × 28.5 cm depth; current support sheet gives 16 lb. Internal drive affects weight, so no single converted weight supplied	Apple lists 4.3 × 12.6 × 16.5 inches and 19 lb for the Quadra 630 form factor
Power supply
Power supply	Current support sheet specifies maximum 76 W, 120 V, 47–63 Hz and 0.63 A; 3.6 V lithium clock battery. Older Apple technical library states 100 W, retained as a source conflict	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 introduction 15 October 1990 is not treated as exact first sale; October 1990 sale month comes from Wikipedia's historical model account, cross-checked against contemporary November and February retail coverage	Original System Software 7.5.1. Apple lists 16 October 1995 as introduction; a separate first-sale date was not established.