Power Mac G5 (June 2004), (Late 2004): Power consumption and thermal output (BTU) information

Learn power consumption and thermal output information for Power Mac G5 (June 2004) and Power Mac G5 (Late 2004) computers.
This article has been archived and is no longer updated by Apple.
Standard Configurations of Power Mac G5 (June 2004):

Dual 1.8GHz PowerPC G5
900 MHz frontside bus/processor
512K L2 cache/processor
256 MB DDR400 SDRAM, expandable to 4GB SDRAM
80GB Serial ATA drive
8x SuperDrive
3 PCI slots
NVIDIA GeForce FX 5200 Ultra
64MB DDR video memory
56K internal modem

Dual 2.0GHz PowerPC G5
1 GHz frontside bus/processor
512K L2 cache/processor
512 MB DDR400 SDRAM, expandable to 8GB SDRAM
160GB Serial ATA drive
8x SuperDrive
3 PCI-X slots
NVIDIA GeForce FX 5200 Ultra
64MB DDR video memory
56K internal modem

Dual 2.5GHz PowerPC G5
1.25 GHz frontside bus/processor
512K L2 cache/processor
512 MB DDR400 SDRAM, expandable to 8GB SDRAM
160GB Serial ATA drive
8x SuperDrive
3 PCI-X slots
ATI Radeon 9600 XT
128MB DDR video memory
56K internal modem

All configurations of Power Mac G5 (June 2004)
Idle Max Fully Loaded Max Idle Max Fully Loaded Max
120 W 406 W 604 W 410 BTU/h 1386 BTU/h 2060 BTU/h

Standard Configuration of Power Mac G5 (Late 2004):

Single 1.8GHz PowerPC G5
600 MHz frontside bus
512K L2 cache
256 MB DDR400 SDRAM, expandable to 4GB SDRAM
80GB Serial ATA drive
8x SuperDrive
3 PCI slots
NVIDIA GeForce FX 5200 Ultra
64MB DDR video memory
56K internal modem

Power Mac G5 (Late 2004)
Idle Max Fully Loaded Max Idle Max Fully Loaded Max
120 W 160 W 552 W 409 BTU/h 545 BTU/h 1882 BTU/h

  • Max is the maximum that can be expected with the default configurations listed above.
  • Fully Loaded Max is the maximum that can be expected when the computer is fully loaded with PCI cards, memory, and hard drives.
  • Power numbers are input power to the AC, not output power. These numbers were derived from these considerations:
    240 W for processor and DC-DC
    10 W for optical drive
    15 W for hard drive
    25 W for graphics card
    20 W for main logic board
    80% efficiency
Published Date: Oct 11, 2016