Apple Power Mac G5 (June 2004) vs Apple Power Mac G5 (Late 2005)

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

Only show differences

Better figure, where one is clearly better

Share comparison

Power Mac G5 (June 2004) compared with Power Mac G5 (Late 2005)

	ApplePower Mac G5 (June 2004)	ApplePower Mac G5 (Late 2005)
Overview
Released
Released	June 2004	October 2005
Performance
Processor
Processor	2 × PowerPC G5 1800 MHz (Power Mac June 2004), 2 × PowerPC G5 2000 MHz (Power Mac June 2004) or 2 × PowerPC G5 2500 MHz (Power Mac June 2004)	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	2	2 or 4
Graphics
Graphics	NVIDIA GeForce FX 5200 Ultra (64 MB) or ATI Radeon 9600 XT (128 MB)	NVIDIA GeForce 6600 LE (128 MB) or NVIDIA GeForce 6600 (256 MB)
Memory
Memory	256 MB, 512 MB, 4 GB or 8 GB	512 MB or 16 GB (better)
Storage
Storage	80 GB to 160 GB	160 GB to 250 GB (better)
CPU
CPU	Two physical PowerPC G5 processors at 1.8, 2 or 2.5 GHz, each with 512 KB L2 cache. Per-processor front-side bus is 900 MHz, 1 GHz or 1.25 GHz respectively. Only the dual 2.5 GHz uses the maker’s liquid-cooling system.	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	Dual 1.8 and 2 GHz: NVIDIA GeForce FX 5200 Ultra with 64 MB DDR. Dual 2.5 GHz: ATI Radeon 9600 XT with 128 MB DDR. Optional ATI Radeon 9800 XT with 256 MB occupies the adjacent PCI slot as well as AGP.	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	DDR400 PC3200 in matched pairs. Dual 1.8 GHz starts with 256 MB and has four DIMM slots with a 4 GB maximum. Dual 2 and 2.5 GHz start with 512 MB and have eight slots with an 8 GB maximum. Base and maximum memory rows retain each model’s stock storage and graphics.	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	Stock 80 GB on dual 1.8 GHz and 160 GB on dual 2/2.5 GHz; 7200 rpm Serial ATA. Two bays with 150 MB/s interfaces; optional 80, 160 or 250 GB drives, up to two 250 GB drives. One optical bay with 8x DVD-R SuperDrive; Combo drive is optional.	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	AGP 8x Pro graphics slot. Dual 1.8 GHz has three 64-bit 33 MHz PCI slots. Dual 2 and 2.5 GHz have PCI-X: two 100 MHz and one 133 MHz 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.
Display
Screen
Screen	None built in	None built in
Connections
Ports
Ports	3 × 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	Up to 2
Front ports
Front ports	USB 2.0, FireWire 400 and headphone minijack.	USB 2.0, FireWire 400 and headphone minijack.
Back ports
Back ports	Two USB 2.0, FireWire 800, FireWire 400, Gigabit Ethernet, V.92 modem, optical Toslink input/output and analogue audio line-in/out. Three chassis USB ports in total, plus keyboard USB 1.1 ports. Optional 54 Mbps AirPort Extreme and Bluetooth 1.1.	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	ADC and DVI with included DVI-to-VGA adapter; two displays in extended or mirrored modes. A second ADC display requires a separate adapter.	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; analogue and optical connections for external audio.	Built-in speaker and optical/analogue external audio connections.
Keyboard and mouse
Keyboard and mouse	Apple Keyboard, Apple Mouse, USB extension cable, DVI-to-VGA adapter, modem cable and AirPort antenna.	Apple Keyboard, Mighty Mouse, USB keyboard extension and DVI-to-VGA adapter.
Design and power
Type
Type	Tower	Tower
Weight
Weight	20.2 kg	–
Width × depth × height
Width × depth × height	206 × 475 × 511 mm	–
Operating system
Operating system	macOS	macOS
Size and weight detail
Size and weight detail	Maker height 51.1 cm, width 20.6 cm, depth 47.5 cm; reference weight 20.2 kg varies with configuration.	–
Materials
Materials	Aluminium enclosure with separate cooling zones.	Aluminium enclosure.
In the box
In the box	Mac OS X Panther and iLife. The 1.8 and 2 GHz models were available on 9 June 2004. Apple initially stated July availability for the 2.5 GHz model, later than the generation’s first sale.	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.