Two Xeon CPUs Are Better Than One Intel P4 Extreme Platform

Comparison Of Current Workstation Chipsets From Intel

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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 288/256144/128 128/256/512 128/256/512 128/256/5121024
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 1.1USB 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-XPCI max 66 MHzPCI-X max 133 MHz
PCI Master 6 n/a n/a 3

Chipset Price

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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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