Barton to use 400MHz system bus

AMD's upcoming Barton processors will apparently use a 400MHz system bus (2x200MHz), which should keep the new chips nicely in sync with DDR400 memory. The faster bus reportedly gives Barton's performance a nice boost, which means that AMD may have to juggle its PR ratings for the new chips.

Reports from Comdex also suggest that VIA's upcoming KT400A has support for dual-channel DDR400 memory, which should make the chipset a more closely-matched competitor for NVIDIA's nForce2.

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