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Intel 915P Shootout : The Grand Finale
By Zachary Chan
Category : Mainboard
Published by Vijay Anand on Monday, 28th February, 2005


The author of this article would like to acknowledge Vijay Anand's contribution to this article.

So It Begins

The ultimate Intel 915P Express motherboard shootout is here. In the past weeks, we have showcased and detailed 17 motherboards based on Intel's mainstream LGA775 solution, the 915P Express (Grantsdale) chipset. What makes the Grantsdale chipset so much more interesting is its capacity to support both old and new memory types, which we see many manufacturers taking advantage. The end result is a good mix of mainstream to high-end oriented motherboard configurations, but how do they compare to each other? Prepare for a head on performance comparison in the following pages. Let's just say that if you have a kick for graphs and charts, you'd have a ball of a time.

Before we go into the benchmarking, let's have a recap on some of the more prominent features of each motherboard in the shootout:-

Motherboard Feature Comparison 1
  ABIT AG8 Albatron PX915P Pro AOpen i915Pa-E AOpen i915Pa-EFRII
North Bridge
Intel 915P Express
Intel 915P Express
Intel 915P Express
Intel 915P Express
South Bridge
Intel ICH6R
Intel ICH6R
Intel ICH6
Intel ICH6R
DIMM Slots
  • 4 (DDR)
  • 4 (DDR)
  • 4 (DDR)
  • 4 (DDR2)
PCI Express Slots
  • 1 (x16)
  • 3 (x1)
  • 1 (x16)
  • 2 (x1)
  • 1 (x16)
  • 2 (x1)
  • 1 (x16)
  • 2 (x1)
PCI Slots
2
3
3
3
Other Slots
-
-
-
-
ATA-100 Port (chipset)
1
1
1
1
SATA Ports (chipset)
4
4
4
4
ATA-133 (others)
-
2
-
1
SATA (others)
-
-
-
2
Floppy Connector
1
1
1
1
COM Ports (header)
1
1
2
2
Parallel Ports (header)
1
1
1
1
USB Ports (header)
6 (2)
4 (4)
4 (4)
6 (2)
FireWire Ports (header)
3
-
-
2
Fast Ethernet
-
1
-
-
Gigabit Ethernet
1
1
1
1
Wireless LAN
-
-
-
-
Audio Chipset/Codec
ALC658
ALC880
ALC880
ALC880
Audio Ports*
F, R, C, I, M
F, R, A, C, I, M
F, R, A, C, I, M
F, R, A, C, I, M
S/PDIF
In/Out
(optional)
(optional)
In/Out
Dimension (mm)
305 x 245
305 x 245
305 x 244
305 x 244
FSB Range
100 - 400
200 - 333
100 - 400
100 - 400
PCIe Range
99 - 255
100, Auto
-
-
Core Voltage
1.3625 - 1.7125V
0.8375 - 1.600V
0.8375 - 1.600V
0.8375 - 1.600V
RAM Voltage
2.5 - 3.2V
+0.1 - +0.4V
2.60 - 2.95V
1.900 - 1.950V
Chipset Voltage
1.5 - 2.05V
+0.1 - +0.3V
1.500 - 1.575V
1.500 - 1.650V
Multiplier Selection
Yes
Yes
Yes
Yes

Motherboard Feature Comparison 2
  AOpen i915Pa-PLF ASUS P5GD2 Premium Biostar P4TGP 775 DFI 915P-TAG
North Bridge
Intel 915P Express
Intel 915P Express
Intel 915P Express
Intel 915P Express
South Bridge
Intel ICH6
Intel ICH6R
Intel ICH6R
Intel ICH6
DIMM Slots
4 (DDR)
4 (DDR2)
4 (DDR)
4 (DDR)
PCI Express Slots
  • 1 (x16)
  • 2 (x1)
  • 1 (x16)
  • 3 (x1)
  • 1 (x16)
  • 3 (x1)
  • 1 (x16)
  • 2 (x1)
PCI Slots
3
2
3
3
Other Slots
-
-
SLR
-
ATA-100 Port (chipset)
1
1
1
1
SATA Ports (chipset)
4
4
4
4
ATA-133 (others)
-
2
2
-
SATA (others)
-
4
-
-
Floppy Connector
1
1
1
1
COM Ports (header)
2
1
1
1
Parallel Ports (header)
1
1
1
1
USB Ports (header)
4 (4)
6 (2)
4 (4)
4 (4)
FireWire Ports (header)
2
3
2
1 (1)
Fast Ethernet
-
-
-
-
Gigabit Ethernet
1
2
1
1
Wireless LAN
-
IEEE 802.11g
-
-
Audio Chipset/Codec
ALC850
CMI9880
CMI9880
ALC880
Audio Ports*
F, R, A, C, I, M
F, R, A, C, I, M
F, R, A, C, I, M
F, R, A, C, I, M
S/PDIF
(optional)
Out
In/Out
In/Out
Dimension (mm)
305 x 210
305 x 244
293 x 245
305 x 245
FSB Range
100 - 400
100 - 400
200 - 255
200 - 380
PCIe Range
-
90 - 150
-
100 - 140
Core Voltage
0.8375 - 1.600V
1.3875 - 1.7000V
1.250 - 1.600V
0.8375 - 1.950V
RAM Voltage
2.60 - 2.95V
1.8 - 2.1V
-
2.6 - 3.3V
Chipset Voltage
1.500 - 1.675V
1.5 - 1.6V
-
1.5 - 1.8V
Multiplier Selection
Yes
Yes
No
Yes



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