Two Xeon CPUs Are Better Than One Intel P4 Extreme Platform

Comparison Of Current Workstation Chipsets From Intel

Chipset I860 I875P E7205 E7505
MCH 82860 82875P E7205 E7505
Codename Colusa Canterwood Granite Bay Placer
Developed for Xeon DP Pentium 4 Pentium 4 Xeon DP
Hyper Threading Support Yes yes yes yes
Number of supported CPUs 1-2 1 1 1-2
FSB 100 MHz 133/200 MHz 100/133 MHz 100/133 MHz
Memory modules 4 RIMMS
(8 with MRH-R)
4 DIMMs 4 DIMMs 4 DIMMs
Channels Single-Channel Dual-Channel Dual-Channel Dual-Channel
Memory type PD800/600 RDRAM DDR266/333/400 DDR200/266 DDR266
Max. Memory 4 GB (with 2 Repeaters) 4 GB 4 GB 16 GB
Number of Rows 32 8 4 6
Mbit Support 288/256
144/128
128/256/512 128/256/512 128/256/512
1024
ECC Yes Yes Yes Yes
Graphic Interface
AGP 2x/4x (1.5) 4x/8x (1.5V) 1x/2x/4x (1.5V)
4x/8x (0.8V)
1x/2x/4x (1.5V)
4x/8x (0.8V)
I/O HUB
Southbridges ICH2 (82801BA) ICH5 (82801EB)
ICH5R (82801ER)
ICH4 (82801DB) ICH4 (82801DB)
PCI-Standard 2.2 2.3 2.2 2.2
PCI Master Slots (max) 6 6 6 6
IDE ATA 33/66/100 ATA 33/66/100 ATA 33/66/100 ATA 33/66/100
SATA Support No 2 No No
USB Ports 4x USB 1.1 8x USB 2.0 6x USB 2.0 6x USB 1.1
USB 2.0 (P64H2)
LAN Yes CSA 266 MHz Yes Integrated10/100 Mbit
AC'97 Audio/Modem AC'97 2.3 Yes AC'97 2.3
Manageability
I/O Management SMBus/GPIO SMBus 2.0/GPIO SMBus/GPIO SMBus 2.0/GPIO
I/O HUB (Expansion)
PCI Controller P64H n/a n/a P64H2
PCI Support PCI 64 (2x 66 MHz) or PCI 33 (4x 33 MHz) n/a n/a 2x 64Bit PCI/PCI-X
PCI max 66 MHz
PCI-X max 133 MHz
PCI Master 6 n/a n/a 3

Chipset Price

Chipset Codename Price per 1000
E7505 Placer $100
E7501 Plumas 533 $92
E7500 Plumas $92
E7205 Granite Bay $57
I875P Canterwood $50
I865PE Springdale $28
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