The Power Mac G5, with a suggested retail price of $1,799 (US), includes:
- 1.6 GHz 64-bit PowerPC G5;
- 800 MHz front-side bus;
- 256MB 333 MHz 128-bit DDR SDRAM (4GB maximum);
- 80GB Serial ATA 7200 rpm hard drive;
- AGP 8X Pro graphics slot;
- NVIDIA GeForce FX 5200 Ultra with 64MB DDR SDRAM;
- 3 PCI slots (64-bit, 33 MHz); and
- 4x SuperDriveā¢ (DVD-R/CD-RW).
The Power Mac G5, with a suggested retail price of $2,499 (US), includes:
- Dual 1.8 GHz 64-bit PowerPC G5;
- Dual independent 900 MHz front-side buses;
- 512MB 400 MHz 128-bit DDR SDRAM (8GB maximum);
- 160GB Serial ATA 7200 rpm hard drive;
- AGP 8X Pro graphics slot;
- NVIDIA GeForce FX 5200 Ultra with 64MB DDR SDRAM;
- 3 PCI-X slots (one 64-bit, 133 MHz, two 64-bit 100 MHz); and
- 4x SuperDrive (DVD-R/CD-RW).
The Power Mac G5, with a suggested retail price of $2,999 (US), includes:
- Dual 2.0 GHz 64-bit PowerPC G5;
- Dual independent 1 GHz front-side buses;
- 512MB 400 MHz 128-bit DDR SDRAM (8GB maximum);
- 160GB Serial ATA 7200 rpm hard drive;
- AGP 8X Pro graphics slot;
- RADEON 9600 Pro with 64MB DDR SDRAM;
- 3 PCI-X slots (one 64-bit 133 MHz, two 64-bit 100 MHz); and
- 4x SuperDrive (DVD-R/CD-RW).
Much more specifications and information can be found here