ADC and DVI connectors
DVI to VGA adapter included
Expansion
Slots
Four 3.5-inch hard drive bays (one filled)
Two optical drive bays (one filled)
Four 64-bit, 33MHz PCI
One AGP 4X (filled)
Two hard drive bays (one filled)
One optical drive bay (filled)
Three open full-length 33MHz, 64-bit PCI slots
One AGP Pro 8X (filled)
Hard Drive
80 GB Ultra ATA/100
7200 rpm
80GB Serial ATA
7200 rpm
Optical Drive
Combo drive (DVD-ROM/CD-RW)
Reads DVDs at 12x speed
Writes CD-R discs at 32x speed,
Writes CD-RW discs at 10x speed
Reads CDs at 32x speed
SuperDrive (DVD-R/CD-RW)
Writes DVD-R at 4x
Reads DVDs at 8x
Writes CD-R at 16x
Writes CD-RW at 10x
Reads CDs at 32x
Connectivity & Communication
Optional 11-Mbps AirPort Card
(802.11b)
10/100/1000BaseT
56k V.92 internal modem
No Bluetooth
Optional 54 Mbps AirPort Extreme
(802.11g )
10/100/1000BaseT
56k V.92 internal modem
Optional Bluetooth 1.1 module and antenna
Ports
Two USB 1 Ports
No FireWire 800 port
2 FireWire 400 Ports
Stereo analog audio line in and line out minijacks
Three USB 2.0 ports (one on front)
1 FireWire 800 port
2 FireWire 400 ports (one on front)
Stereo audio in and out minijacks
Optical digital audio in and out Toslink connectors
Specification Notes
The G4 machine is OS 9 bootable, the G5 is not.
Performance
Machine
Power Mac G4/1.25 GHz Single Processor
Power Mac G5/1.6 GHz Single Processor
Processor Single
89.27 seconds (est.)
68.20 seconds - - 24% faster
Processor Dual
NA
NA
Graphics
23 frames per second (est.)
28 frames per second - - 22% faster
Drive
Not enough data
131 points
General - Interface
28.34 seconds
27.20 seconds - - 4% faster
Notes
The G5's processor is clocked in at about 28% faster. So in general processing you will see a 28% to 30% performance improvement. However as things move forward, and the G5 processor is more widely adopted, applications may be written that can take advantage of special performance features of the G5. The G5 processor is definitely the forward looking chip.
Where there is (est.), it means that we estimated these scores from data we had, but could not make a direct comparison between the two machines. We think that we are in the ballpark, but the scores may not be spot on.
The G5 is definitely the faster machine, though the G4 is a solid performer of its own. We think that you would find the G5 the more responsive machine. We were not able to provide a drive score for the G4 because we did not have enough data to ascertain a reliable number. However the G5's drive should be, measurably, a better performer.
An advantage that the G4 has, is that it is more expandable, having more PCI slots and more drive bays (including a second optical drive bay).
Links To Further Information
Machine
Power Mac G4/1.25 GHz (Dual Processor)
Power Mac G5/1.6 GHz Single Processor
Reviews
We could find no reviews of the single processor machine. Ther are however reviews of a similar dual processor one
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Power Mac G4/1.25 GHz
Power Mac G5/1.6 GHz
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Base Machine
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