Pentium 4 Chipsets Compared - Episode II: Attack of the Chipsets - Intel 845E and 845G for 533 MHz FSB and DDR-SDRAM | Tom's Hardware

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Pentium 4 Chipsets Compared

Pentium 4 Chipsets Compared

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Chipset	SiS 645DX	SiS 645	Intel 850E	Intel 850	Intel 845D
Processor Platform	Intel Pentium 4
Chipset Northbridge	SiS 645DX	SiS 645	Intel 82850E	Intel 82850	Intel 82845
Chipset Southbridge	SiS 961	SiS 961	Intel 82801 BA	Intel 82801 BA	Intel 82801 BA
Front Side Bus Clock	400/533 MHz	400 MHz	400/533 MHz	400 MHz	400 MHz
Memory Clock	100/133/166/200/266/333 MHz	100/133/200/266 MHz	400/533 MHz	400 MHz	200/266 MHz
Asynchronous Memory Clock	yes	yes	yes	yes	yes
max. # of memory-Slots	3	3	4	4	3
max. Memory	3072 MB	3072 MB	2048 MB	2048 MB	2048 MB
SDRAM Support	yes	yes	no	no	no
DDR SDRAM Support	yes	yes	no	no	yes
RDRAM Support	no	no	yes	yes	no
Ultra-DMA/33/66/100	yes/yes/yes	yes/yes/yes	yes/yes/yes	yes/yes/yes	yes/yes/yes
Ultra-DMA/133	no	no	no	no	no
Max. # USB ports	4	4	4	4	4
USB 2.0	no	no	no	no	no
Max.# PCI Slots	6	6	6	6	6
Integrated Graphics	yes	yes	no	no	no
AGP 1x / 2x / 4x / 8x	yes / yes / yes / no	yes / yes / yes / no	yes / yes / yes / no	yes / yes / yes / no	yes / yes / yes / no

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Chipset	Intel 845E	Intel 845G *	Intel 845	VIA P4X266A	VIA P4X333
Processor Plattform	Intel Pentium 4
Chipset Northbridge	Intel 82845E	Intel 82845G	Intel 82845	VIA P4X266A	VIA P4X333
Chipset Southbridge	Intel 82801 CA	Intel 82801 CA	Intel 82801 BA	VIA VT8233A	VIA VT8235
Front Side Bus Clock	400/533 MHz	400/533 MHz	400 MHz	400 MHz	400/533 MHz
Memory Clock	100/133/200/266 MHz	100/133/166/200/266/333 MHz	100/133 MHz	100/133/200/266 MHz	100/133/166/200/266/333 MHz
Asynchronous Memory Clock	yes	yes	yes	yes	yes
max. # of memory Slots	3	3	4	4	4
max. Memory	2048 MB	2048 MB	2048 MB	3072 MB	3072 MB
SDRAM Support	yes	yes	yes	yes	yes
DDR SDRAM Support	yes	yes	no	yes	yes
RDRAM Support	no	no	no	no	no
Ultra-DMA/33/66/100	yes/yes/yes	yes/yes/yes	yes/yes/yes	yes/yes/yes	yes/yes/yes
Ultra-DMA/133	no	no	no	yes	yes
Max. # USB	6	6	4	6	6
USB 2.0	yes	yes	no	yes	yes
Max.# PCI Slots	6	6	6	5	6
Integrated Graphics	no	yes	no	no	no
AGP 1x / 2x / 4x / 8x	yes / yes / yes / no	yes / yes / yes / no	yes / yes / yes / no	yes / yes / yes / no	yes / yes / yes / yes
ACPI Features	yes	yes	yes	yes	yes

* DDR333 will likely be supported in H2/2002

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