Apple Power Mac G4 (QuickSilver 2001) vs Apple Power Mac G5 (Late 2005)

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Power Mac G4 (QuickSilver 2001) compared with Power Mac G5 (Late 2005)

	ApplePower Mac G4 (QuickSilver 2001)	ApplePower Mac G5 (Late 2005)
Overview
Released
Released	July 2001	October 2005
Performance
Processor
Processor	PowerPC G4 733 MHz (Power Mac QuickSilver 2001), PowerPC G4 867 MHz (Power Mac QuickSilver 2001) or 2 × PowerPC G4 800 MHz (Power Mac QuickSilver 2001)	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)
CPU cores
CPU cores	1 or 2	2 or 4
Graphics
Graphics	NVIDIA GeForce2 MX (32 MB) or NVIDIA GeForce2 MX TwinView (64 MB)	NVIDIA GeForce 6600 LE (128 MB) or NVIDIA GeForce 6600 (256 MB)
Memory
Memory	128 MB, 256 MB or 1.5 GB	512 MB or 16 GB (better)
Storage
Storage	40 GB to 80 GB	160 GB to 250 GB (better)
CPU
CPU	Single 733/867 MHz or dual 800 MHz PowerPC G4. Each processor has 256 KB on-chip L2 cache; 733 MHz has no L3, while 867 MHz and dual 800 MHz have 2 MB L3 per processor running at one-quarter clock speed. 133 MHz system bus. Generic chip records omit unverified supplier.	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.
GPU
GPU	Single-processor models: NVIDIA GeForce2 MX 32 MB. Dual 800 MHz: GeForce2 MX TwinView 64 MB with simultaneous ADC and VGA displays. Optional GeForce3 64 MB DDR listed separately, not expanded into unproven stock combinations.	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.
Memory type
Memory type	128 MB PC133 SDRAM on 733/867 MHz, 256 MB on dual 800 MHz. Three DIMM slots support up to 1.5 GB; base and maximum rows retain each stock drive and graphics card.	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.
Storage type
Storage type	733 MHz: 40 GB 5400 rpm Ultra ATA/66 and 12x/10x/32x CD-RW. 867 MHz: 60 GB 7200 rpm; dual 800 MHz: 80 GB 7200 rpm, both with SuperDrive (DVD-R 2x, CD-R 8x). Optional Combo drive, Zip 250 and SCSI 36/72 GB choices remain in details. Three hard-drive bays support two ATA or three SCSI drives.	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.
Expansion slots
Expansion slots	Four full-length 64-bit 33 MHz PCI slots plus dedicated AGP 4x graphics slot.	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.
Display
Screen
Screen	None built in	None built in
Connections
Ports
Ports	2 × USB-A, Ethernet, headphone jack	4 × USB-A, 2 × Ethernet, headphone jack
Ethernet
Ethernet	1 Gb/s	1 Gb/s
External displays
External displays	–	Up to 2
Front ports
Front ports	–	USB 2.0, FireWire 400 and headphone minijack.
Back ports
Back ports	Two USB chassis ports at 12 Mbps each, two FireWire 400, Gigabit Ethernet, 56K V.90 modem, ADC and VGA. Optional 11 Mbps AirPort card. Headphone and Apple Pro Speakers minijacks; no analog audio input. Keyboard USB ports excluded.	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.
External displays
External displays	TwinView supports one ADC and one VGA display simultaneously on dual 800 MHz; no simultaneous-display assumption for the standard single-processor card.	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.
Speakers
Speakers	Built-in speaker; optional Apple Pro Speakers connect to a dedicated speaker minijack.	Built-in speaker and optical/analogue external audio connections.
Keyboard and mouse
Keyboard and mouse	Apple Pro Keyboard and optical Apple Pro Mouse.	Apple Keyboard, Mighty Mouse, USB keyboard extension and DVI-to-VGA adapter.
Design and power
Type
Type	Tower	Tower
Weight
Weight	14.1 kg	–
Width × depth × height
Width × depth × height	226 × 467 × 432 mm	–
Operating system
Operating system	macOS	macOS
Materials
Materials	–	Aluminium enclosure.
Size and weight detail
Size and weight detail	Maker reference weight 14.1 kg, configuration-dependent; height 43.2, width 22.6, depth 46.7 cm.	–
Power supply
Power supply	Maximum continuous power 360 W.	–
In the box
In the box	Mac OS X and Mac OS 9.2 at launch; iTunes, iMovie 2 and iDVD for SuperDrive. Macworld’s reviewed shipment uses Mac OS X 10.0.4 and initially lacks CD/DVD burning; support arrives with 10.1. Maker confirms immediate 733/867 MHz availability on 18 July and actual dual-800 shipments on 20 August 2001.	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.