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Comparison: VIA KT333 Vs. KT266A

DDR333 For Athlon: VIA KT333 vs. KT266A
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Chipset VIA Apollo KT333 VIA Apollo KT266A VIA Apollo KT266 Nvidia nForce
Introduction Feb-02 Sep-01 Apr-01 Sep-01
Platform Socket 462 Socket 462 Socket 462 Socket 462
Supported processors AMD Duron/Athlon/XP AMD Duron/Athlon/XP AMD Duron/Athlon/XP AMD Duron/Athlon/XP
Multi-processor support no no no no
Northbridge VIA KT333 VIA KT266A VIA VT8366 Nvidia IGP 128
Southbridge VIA VT8233A VIA VT8233 VIA VT8233 Nvidia MCP-D
Front Side Bus clock 100/133/166 MHz 100/133 MHz 100/133 MHz 100/133 MHz
Memory clock 100/133/166 MHz 100/133 MHz 100/133 MHz 100/133 MHz
Asynchronous memory clock yes yes yes yes
FSB overclocking* up to 230 MHz up to 200 MHz up to 200 MHz up to 150 MHz
Max. # DIMM slots 4 4 4 3
Max. memory 3072 MB 3072 MB 3072 MB 4096 MB
SDRAM support yes yes yes no
DDR SDRAM support yes yes yes yes
Dual-channel DDR support no no no yes
RIMM support (Rambus) no no no no
Ultra-DMA/33/66/100/133 yes/yes/yes/yes yes/yes/yes/no yes/yes/yes/no yes/yes/yes/no
# USB connectors 6 6 6 6
Max. # PCI slots 6 6 6 6
integrated graphics core no no no yes
integrated sound yes yes yes yes
AGP 1x / 2x / 4x / 8x yes/yes/yes/yes yes/yes/yes/no yes/yes/yes/no yes/yes/yes/no
ACPI supported yes yes yes yes
USB 2.0 support yes no no no
Chipset AMD 760 SiS 735 ALi Magik 1
Introduction February 2001 May 2001 February 2001
Platform Socket 462 Socket 462 Socket 462
Supported processors AMD Duron/Athlon/XP AMD Duron/Athlon/XP AMD Duron/Athlon/XP
Multi-processor support no no no
Northbridge AMD 761 SiS 735 ALi M1647
Southbridge AMD 765 integrated ALi M1535D+
Front Side Bus clock 100/133 MHz 66/100/133 MHz 100/133 MHz
Memory clock 100/133 MHz 66/100/133 MHz 100/133 MHz
Asynchronous memory clock yes yes yes
FSB overclocking* up to 150 MHz up to 150 MHz up to 150 MHz
Max. # DIMM slots 4 3 4
Max. memory 2048 MB 1536 MB 1024 MB
SDRAM support no yes yes
DDR SDRAM support yes yes yes
Dual-channel DDR support no no no
RIMM support (Rambus) no no no
Ultra-DMA/33/66/100/133 yes/yes/yes/no yes/yes/yes/no yes/yes/yes/no
# USB connectors 4 6 6
Max. # PCI slots 4 6 6
integrated graphics core no no no
integrated sound yes yes yes
AGP 1x / 2x / 4x / 8x yes/yes/yes/no yes/yes/yes/no yes/yes/yes/no
ACPI supported yes yes yes
USB 2.0 support no no no

The following table lists all of the chipsets that are currently available for the AMD Socket 462 platform and support DDR SDRAM. Older models with SDRAM support (such as VIA KT133A) are not taken into consideration here, because for a while now, boards with such chips have no longer been produced and offered on the market.

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