Pentium 4/2200 vs. Athlon XP 2000+

Features
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Published

Intel

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Chipset VIA P4X266A Intel 850 Intel 845D
Introduction December 2001 January 2001 December 2001
Processor Plattform Socket 478 Socket 423/478 Socket 478
Supported CPU Intel Pentium 4 Intel Pentium 4 Intel Pentium 4
Multiprocessor Support no yes no
Chipset Northbridge VIA P4X266A Intel KC82850 Intel 82845
Chipset Southbridge VIA VT8233CE Intel 82801 BA Intel 82801 BA
Front Side Bus Clock 66/100/133 MHz 100/133 MHz 66/100/133 MHz
Memory Clock 100/133 MHz DDR-SDRAM 400 MHz 100/133 MHz DDR-SDRAM
Asynchronous Memory Clock yes yes yes
FSB-Overclocking* up to 180 MHz up to 133 MHz up to 166 MHz
max. # DIMM-Slots 3 4 3
max. Memory 3072 MB 2048 MB 2048 MB
SDRAM Support no no no
DDR SDRAM Support yes no yes
VC SDRAM Support no no no
RIMM Support (Rambus) no yes no
Dual RIMM Support (Rambus) no yes no
Ultra-DMA/33/66/100 yes/yes/yes yes/yes/yes yes/yes/yes
Ultra-DMA/133 yes no no
Max. # USB 6 4 4
USB 2.0 yes no no
Max.# PCI Slots 6 6 6
Integrated Graphics no no no
AGP 1x / 2x / 4x yes / yes / yes yes / yes / yes yes / yes / yes
ACPI Features yes yes yes
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Chipset Intel 845 VIA P4X266 SiS 645
Introduction July 2001 August 2001 November 2001
Processor Plattform Socket 423/478 Socket 423/478 Socket 478
Supported CPU Intel Pentium 4 Intel Pentium 4 Intel Pentium 4
Multiprocessor Support no no no
Chipset Northbridge Intel 82845 VIA VT8753 SiS 645
Chipset Southbridge Intel 82801 BA VIA VT8233 SiS 961
Front Side Bus Clock 66/100/133 MHz 100 MHz 100/133 MHz
Memory Clock 100/133 MHz SDRAM 100/133 MHz SDR/DDR 100/133/166 MHz DDR-SDRAM
Asynchronous Memory Clock yes yes yes
FSB-Overclocking* up to 180 MHz up to 200 MHz up to 180 MHz
max. # DIMM-Slots 4 4 3
max. Memory 2048 MB 4096 MB 3072 MB
SDRAM Support yes yes yes
DDR SDRAM Support no yes yes
VC SDRAM Support no yes no
RIMM Support (Rambus) no no no
Dual RIMM Support (Rambus) no no no
Ultra-DMA/33/66/100 yes/yes/yes yes/yes/yes yes/yes/yes
Ultra-DMA/133 no no no
Max. # USB 6 6 6
2.0 yes no yes
Max.# PCI Slots 6 5 6
Integrated Graphics no no no
AGP 1x / 2x / 4x yes / yes / yes yes / yes / yes yes / yes / yes
ACPI Features yes yes yes

* depending on clock generator