Apple Macintosh 512K vs Apple Macintosh Performa 6300CD

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Macintosh 512K compared with Macintosh Performa 6300CD

	AppleMacintosh 512K	AppleMacintosh Performa 6300CD
Overview
Released
Released	September 1984	1995
Performance
Processor
Processor	68000 8 MHz (Macintosh 512K)	PowerPC 603e 100 MHz (Macintosh Performa 6300CD)
CPU cores
CPU cores	1	1
Memory
Memory	512 KB	16 MB (better)
Storage
Storage	–	1.2 GB
CPU
CPU	8 MHz 68000 with a 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	Fixed 0.5 MB onboard RAM, 64K ROM; no RAM slots or built-in memory expansion	Two 72-pin SIMM slots; 16 MB minimum and 64 MB maximum with 80 ns memory
Storage type
Storage type	400K removable floppy drive with manual loading; no internal hard drive, hard-drive interface or internal CD drive	1.2 GB internal IDE hard drive, 1.44 MB floppy drive and 4× CD-ROM drive
Expansion slots
Expansion slots	None	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 monochrome CRT with one-bit bitmap; 9-inch diagonal confirmed in Apple's original SE/30 owner manual, Macintosh product-line appendix. Apple explicitly notes 512 × 342 pixels, correcting its generic table's 512 × 384	–
Connections
Ports
Ports	Headphone jack	Headphone jack
Back ports
Back ports	External floppy DB-19, printer and modem serial ports and speaker/headphone output; no SCSI, Ethernet or external video. Serial ports do not support handshaking or synchronous modems	DB-15 monitor output, Apple Desktop Bus, external DB-25 SCSI, two serial connectors, microphone input and stereo sound output
Design and power
Type
Type	All-in-one	Compact
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Maker 16.5 lb; 13.6 in height × 9.6 in width × 10.9 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 60 W, 105–125 V, 50–60 Hz, 0.5 A; 4.5 V alkaline	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 0.7; maker introduction 10 September 1984 and discontinuation 14 April 1986. Actual shipping month September 1984 comes from Macworld's historical timeline; no exact first-sale day adopted	Original System Software 7.5.1. Apple lists 16 October 1995 as introduction; a separate first-sale date was not established.