Apple Power Mac G5 (Late 2005) vs Apple Power Macintosh 6100/66AV

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Power Mac G5 (Late 2005) compared with Power Macintosh 6100/66AV

	ApplePower Mac G5 (Late 2005)	ApplePower Macintosh 6100/66AV
Overview
Released
Released	October 2005	1995
Performance
Processor
Processor	PowerPC G5 dual-core 2000 MHz (Power Mac Late 2005), PowerPC G5 dual-core 2300 MHz (Power Mac Late 2005) or 2 × PowerPC G5 dual-core 2500 MHz (Power Mac Late 2005)	PowerPC 601 66 MHz (Power Macintosh 6100/66AV)
CPU cores
CPU cores	2 or 4	1
Graphics
Graphics	NVIDIA GeForce 6600 LE (128 MB) or NVIDIA GeForce 6600 (256 MB)	–
Memory
Memory	512 MB or 16 GB (better)	8 MB or 16 MB
Storage
Storage	160 GB to 250 GB (better)	350 MB
CPU
CPU	Dual models have one physical dual-core PowerPC G5 at 2 or 2.3 GHz. Quad has two physical dual-core processors at 2.5 GHz, four cores in total. Each core has 1 MB L2 cache. Front-side bus per physical processor is 1, 1.15 or 1.25 GHz respectively. Macworld’s exact Quad review describes its liquid cooling.	66 MHz PowerPC 601 with integrated floating-point unit, 32 KB L1 cache, standard 256 KB L2 cache and 64-bit data path at 33 MHz; 4 MB ROM
GPU
GPU	Stock dual-core 2 GHz: NVIDIA GeForce 6600 LE with 128 MB GDDR SDRAM. Dual-core 2.3 GHz and Quad: NVIDIA GeForce 6600 with 256 MB GDDR SDRAM. Optional NVIDIA GeForce 7800 GT 256 MB and Quadro FX 4500 512 MB; the Quadro occupies the graphics slot and adjacent x4 slot.	AV video card with fixed 2 MB VRAM, plus separate HDI-45 video using system DRAM
Memory type
Memory type	Stock 512 MB PC2-4200 DDR2 at 533 MHz, installed in matched pairs. Up to 16 GB supported; ECC configurations available from 1 GB. Rows retain the stock drive and graphics at base and maximum supported memory.	8 MB soldered to the logic board and two 72-pin noncomposite 80 ns SIMM sockets accepting a matched pair; maximum 72 MB total. English support lists an 8 MB minimum; Japanese 6100/66 bundle includes 16 MB, with the AV card sold separately.
Storage type
Storage type	Stock 160 GB on dual-core 2 GHz and 250 GB on dual-core 2.3 GHz and Quad. 7200 rpm Serial ATA drives; two internal bays. Optional one or two 500 GB drives. One optical bay with 16x SuperDrive supporting dual-layer DVD+R recording.	English support lists a 350 MB internal SCSI hard drive. Original Apple TIL describes 8 MB/350 MB 6100/66 bundles and states that the AV card upgrades them to the 66AV; Japan offers 16 MB/350 MB with 2× AppleCD 300i Plus and separately sold AV card. Those AV-installed configurations are shown, without implying that the Japanese AV card was bundled. Service Source lists CD-ROM standard in some 66AV configurations and optional in others; 1.44 MB Apple SuperDrive floppy is built in.
Expansion slots
Expansion slots	PCI Express: occupied x16 graphics slot, two open x4 slots and one open x8 slot. Older PCI and PCI-X expansion cards cannot be reused in these slots.	One processor-direct expansion position occupied by the AV card. A NuBus adapter cannot be used while retaining the AV card.
Display
Screen
Screen	None built in	None built in
Connections
Ports
Ports	4 × USB-A, 2 × Ethernet, headphone jack	Ethernet
Ethernet
Ethernet	1 Gb/s	–
External displays
External displays	Up to 2	Up to 2
Front ports
Front ports	USB 2.0, FireWire 400 and headphone minijack.	–
Back ports
Back ports	Three USB 2.0, FireWire 800, FireWire 400, two Gigabit Ethernet ports, optical Toslink input/output and analogue audio line-in/out. Four chassis USB 2.0 ports in total, plus two keyboard USB 1.1 ports. AirPort Extreme and Bluetooth 2.0 + EDR are optional, with integrated antennas; built-in support does not mean modules are included.	ADB, AAUI-15 Ethernet, HDI-45 and DB-15 video, external DB-25 SCSI, two LocalTalk/GeoPort serial ports, 16-bit stereo audio input and output, and S-video input and output with composite adapters
External displays
External displays	Stock GeForce 6600 LE/6600 and optional 7800 GT have one single-link and one dual-link DVI port, supporting one 30-inch Apple Cinema HD Display alongside a second display. Optional Quadro FX 4500 has two dual-link DVI outputs for two 30-inch displays and a stereo 3D connector. DVI-to-VGA adapter included.	Two simultaneous displays using DRAM and AV-card outputs. AV VRAM supports 24-bit colour at 640 × 480 and 832 × 624, or 16-bit colour at 1024 × 768 and 1152 × 870. Only one monitor or television can be attached to the AV card at a time.
Speakers
Speakers	Built-in speaker and optical/analogue external audio connections.	–
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Mighty Mouse, USB keyboard extension and DVI-to-VGA adapter.	Original Apple TIL lists power cord, keyboard cable, mouse and microphone; Japanese standard 6100/66 bundle includes mouse and display adapter with keyboard sold separately. AV-card and regional bundle accessories remain distinct.
Design and power
Type
Type	Tower	Compact
Weight
Weight	–	6.4 kg
Width × depth × height
Width × depth × height	–	415 × 399 × 85 mm
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	–	Shared Service Source gives 85 × 415 × 399 mm and 6.4 kg, varying with installed devices. Japanese 6100/66 page gives 396 mm depth; April 1995 AppleFacts gives 86 × 411 × 396 mm and 6.3 kg. Different maker measurements remain qualified; shared service values retained for this AV record.
Power supply
Power supply	–	Automatically configured 100–240 V AC, 50–60 Hz. Exact English support lists 210 W maximum. Shared Service Source separately gives 132 W maximum continuous and 201 W peak AC input, excluding monitor power, with 86 W continuous DC output; conditions remain qualified.
Materials
Materials	Aluminium enclosure.	–
In the box
In the box	Mac OS X Tiger and iLife ’05. Apple confirmed the dual-core 2 and 2.3 GHz models available on 19 October 2005, with Quad expected in early November. Macs Only reports its Quad shipped on 10 November and arrived on 11 November; these later Quad dates do not change the generation’s first sale. The exact specification sheet does not publish weight or dimensions.	Exact support lists original System 7.5 with PowerPC Enabler 1.1.1 and introduction on 3 January 1995. April 1995 AppleFacts lists the current 6100/66 with an Apple AV configuration, and Apple's TIL describes the AV-card upgrade. Release year 1995 retained; first-sale month unresolved. Japanese standard bundles include KanjiTalk 7.5 CD-ROM, manuals and warranty.