Pentium 4/2200 vs. Athlon XP 2000+

Page 7 of 20:

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