Comparision: Chipsets For The Pentium 4
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Chipset
Intel E7205
Intel 845E
Intel 845G
Introduction
Nov-02
May-02
May-02
Processor Platform
Socket 478
Sockel 478
Sockel 478
Supported CPU
Intel Pentium 4
Intel Pentium 4
Intel Pentium 4
Chipset Northbridge
i7205
Intel RG8245EES
Intel RG82845G
Chipset Southbridge
Intel 82801 DB
Intel 82801 DB
Intel 82801 DB
Front Side Bus Clock
100/133
100/133 MHz
100/133 MHz
Memory Clock
100/133
100/133 MHz
100/133/166 MHz
Asynchronous memory clock
no
yes
yes
FSB overclocking
up to 166 MHz
up to 166 MHz
up to 166 MHz
max. # DIMM Slots
4
3
3
max. Memory
4096 MB
3072 MB
3072 MB
SDRAM Support
no
yes
yes
DDR SDRAM Support
yes
yes
yes
Dual DDR SDRAM Support
yes
no
no
RDRAM Support (Rambus)
no
no
no
Dual RDRAM 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
4
4
4
USB 2.0
yes
yes
yes
Max.# PCI Slots
6
6
6
Integrated Graphics
no
no
yes
AGP 1x / 2x / 4x
yes / yes / yes
yes / yes / yes
yes / yes / yes
AGP 8x
yes
no
no
Hyper-Threading Support
yes
no
no (ja, Step 2)
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Chipset
Intel 845GE/PE
Intel 850E
SiS 645DX
SiS 658
Introduction
Sep-02
May 2002
Mar-02
Nov-02
Processor Platform
Socket 478
Socket 478
Sockel 478
Sockel 478
Supported CPU
Intel Pentium 4
Intel Pentium 4
Intel Pentium 4
Intel Pentium 4
Chipset Northbridge
Intel RG82845GE
Intel KC82850E
SiS 645DX
SiS 658
Chipset Southbridge
Intel 82801 DB
Intel 82801 BA
SiS 961
SiS 963
Front Side Bus clock
100/133 MHz
100/133 MHz
100/133 MHz
100/133 MHz
Memory clock
100/133/166 MHz
400 MHz/533 MHz
100/133/166/200 MHz
400/533/600 MHz
Asynchronous memory clock
yes
yes
yes
yes
FSB overclocking
up to 200 MHz
up to 166 MHz
up to 166 MHz
up to 200 MHz
Max. # DIMM-Slots
3
4
3
4
Max. memory
3072 MB
2048 MB
3072 MB
2048 MB
SDRAM Support
no
no
yes
no
DDR SDRAM Support
yes
no
yes
no
Dual DDR SDRAM Support
no
no
no
no
RDRAM Support (Rambus)
no
yes
no
yes
Dual RDRAM Support (Rambus)
no
yes
no
yes
Ultra-DMA/33/66/100
yes / yes / yes
yes / yes / yes
yes / yes / yes
yes / yes / yes
Ultra-DMA/133
no
no
no
yes
Max. # USB
4
4
4
4
USB 2.0
yes
no
no
yes
Max.# PCI Slots
6
6
6
6
Integrated Graphics
yes, 845GEno, 845PE
no
yes
yes
AGP 1x / 2x / 4x
yes / yes / yes
yes / yes / yes
yes / yes / yes
yes / yes / yes
AGP 8x
no
no
no
yes
Hyper-Threading Support
yes
yes
no
no
The table above lists all chipsets currently available for the Intel platform (socket 478). We did not take older chips with SDRAM support, such as the Intel 845, into account. Here's why: boards with these chips have not been produced or offered on the market for a long time.
