Apple Macintosh IIx 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 IIx compared with Macintosh Performa 6300CD

	AppleMacintosh IIx	AppleMacintosh Performa 6300CD
Overview
Released
Released	September 1988	1995
Performance
Processor
Processor	68030 16 MHz (Macintosh IIx)	PowerPC 603e 100 MHz (Macintosh Performa 6300CD)
CPU cores
CPU cores	1	1
Memory
Memory	1 MB	16 MB (better)
Storage
Storage	40 MB	1.2 GB (better)
CPU
CPU	Nominal 16 MHz 68030 with integrated paged memory management unit and 68882 floating-point coprocessor; 0.5 KB L1 cache, no 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	No integrated video output; a separately sold NuBus video card is required	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	Eight 30-pin SIMM slots populated in groups of four, 120 ns or faster; Apple's support sheet certifies 1–32 MB with 256 KB, 1 MB or 4 MB modules. Larger third-party configurations are not represented as maker-supported; 256 KB ROM	Two 72-pin SIMM slots; 16 MB minimum and 64 MB maximum with 80 ns memory
Storage type
Storage type	One or two 1.44 MB high-density floppy drives; optional 40–80 MB internal SCSI hard drives. Factory configurations shown are the 1 MB floppy-only system and Low End Mac's separately priced 1 MB/40 MB system; no 80 MB/RAM pair inferred	1.2 GB internal IDE hard drive, 1.44 MB floppy drive and 4× CD-ROM drive
Expansion slots
Expansion slots	Six NuBus slots, one occupied when a display video card is installed	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	Two Apple Desktop Bus ports, DB-25 SCSI, printer and modem serial ports and stereo sound output; no built-in Ethernet or video socket	DB-15 monitor output, Apple Desktop Bus, external DB-25 SCSI, two serial connectors, microphone input and stereo sound output
External displays
External displays	Requires a NuBus video card; available resolutions and colour depths depend on the card	–
Speakers
Speakers	Built-in speaker and stereo 8-bit sound output	–
Design and power
Type
Type	Compact	Compact
Weight
Weight	10.9 kg	–
Width × depth × height
Width × depth × height	475 × 366 × 140 mm	–
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Apple's reference dimensions are 5.5 × 18.7 × 14.4 inches and 24 lb; 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 230 W; 90–270 V AC, 48–62 Hz, 1.9 A; 3.6 V lithium clock battery and 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 6.0.1. Apple introduced the IIx on 19 September 1988; an independent model chronology records September availability, without an exact first-sale day	Original System Software 7.5.1. Apple lists 16 October 1995 as introduction; a separate first-sale date was not established.