Two Xeon CPUs Are Better Than One Intel P4 Extreme Platform

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Comparison Of Current Workstation Chipsets From Intel

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ChipsetI860I875PE7205E7505
MCH8286082875PE7205E7505
CodenameColusaCanterwoodGranite BayPlacer
Developed forXeon DPPentium 4Pentium 4Xeon DP
Hyper Threading SupportYesyesyesyes
Number of supported CPUs1-2111-2
FSB100 MHz133/200 MHz100/133 MHz100/133 MHz
Memory modules4 RIMMS(8 with MRH-R)4 DIMMs4 DIMMs4 DIMMs
ChannelsSingle-ChannelDual-ChannelDual-ChannelDual-Channel
Memory typePD800/600 RDRAMDDR266/333/400DDR200/266DDR266
Max. Memory4 GB (with 2 Repeaters)4 GB4 GB16 GB
Number of Rows32846
Mbit Support288/256144/128128/256/512128/256/512128/256/5121024
ECCYesYesYesYes
Graphic Interface
AGP2x/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
SouthbridgesICH2 (82801BA)ICH5 (82801EB)ICH5R (82801ER)ICH4 (82801DB)ICH4 (82801DB)
PCI-Standard2.22.32.22.2
PCI Master Slots (max)6666
IDEATA 33/66/100ATA 33/66/100ATA 33/66/100ATA 33/66/100
SATA SupportNo2NoNo
USB Ports4x USB 1.18x USB 2.06x USB 2.06x USB 1.1USB 2.0 (P64H2)
LANYesCSA 266 MHzYesIntegrated10/100 Mbit
AC'97Audio/ModemAC'97 2.3YesAC'97 2.3
Manageability
I/O ManagementSMBus/GPIOSMBus 2.0/GPIOSMBus/GPIOSMBus 2.0/GPIO
I/O HUB (Expansion)
PCI ControllerP64Hn/an/aP64H2
PCI SupportPCI 64 (2x 66 MHz) or PCI 33 (4x 33 MHz)n/an/a2x 64Bit PCI/PCI-XPCI max 66 MHzPCI-X max 133 MHz
PCI Master6n/an/a3

Chipset Price

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ChipsetCodenamePrice per 1000
E7505Placer$100
E7501Plumas 533$92
E7500Plumas$92
E7205Granite Bay$57
I875PCanterwood$50
I865PESpringdale$28
The Editors of Tom's Hardware
The Editors of Tom's Hardware

Tom's Hardware is the leading destination for hardcore computer enthusiasts. We cover everything from processors to 3D printers, single-board computers, SSDs and high-end gaming rigs, empowering readers to make the most of the tech they love, keep up on the latest developments and buy the right gear. Our staff has more than 100 years of combined experience covering news, solving tech problems and reviewing components and systems.